ADDENDUM
Addendum No.: C1577M-A
Date: August 4, 2004
Manuals Affected: CM9760 Series Manuals – C538M-A, C539M-A, C540M-B, C541M-C, C542M-B,
C543M-A, C544M, C549M-A, C572M, C573M-D, C578M, C579M, C1501M, C1503M,
C1510M-QS, C1510M-A, C1520M-B, C1528M-D, C1940M, C1941M, C1942M, and
C1943M
Manual Update: The CM9760-CC1 has been replaced with the CM9700-CC1 and the CM9760-MGR manage-
ment software has been replaced with the CM9700-MGR management software.
Keep the following in mind when referring to the instructions contained in these manuals:
•
•
The CM9700-CC1 contains the latest CC1 software (version 9.01 or higher), and is
programmed with the new CM9700-MGR management software.
Despite the difference in model numbers, the CM9700-CC1 functions the same as the
CM9760-CC1 and most of the information in these manuals applies to version 9.01 (or
higher) CPU.
•
•
You can add the CM9700-CC1 to an existing CM9760 system if you upgrade the existing
CM9760-CC1 units with the current software (version level 9.01 or higher).
Software version 9.01 requires a minimum of 16 MB of RAM in the CPU. If required, you
can upgrade the RAM in older CM9760-CC1 units using the software upgrade kit
appropriate for your CPU.
Do not use the CM9760-MGR instructions contained in these manuals. Refer to the
CM9700-MGR Getting Started Software Guide, on-screen help, or Online Help for
instructions.
USA & Canada: Tel: 800/289-9100 • Fax: 800/289-9150
®
International: Tel: 1-559/292-1981 • Fax: 1-559/348-1120
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CONTENTS
Section
Page
1.0 GENERAL................................................................................................... 3
1.1 IMPORTANT SAFEGUARDS AND WARNINGS ................................ 3
2.0 DESCRIPTION ........................................................................................... 4
2.1 MODELS ............................................................................................ 4
3.0 PRE-INSTALLATION INFORMATION ......................................................... 5
3.1 FRONT VIEW AND DIP SWITCH ACCESS ....................................... 5
3.1.1 DIP Switches .......................................................................... 5
3.1.2 LEDs....................................................................................... 5
3.2 REAR VIEW........................................................................................ 6
3.2.1 REL Contact Pair Connections ............................................... 7
3.2.2 External Relay Wiring Considerations .................................... 8
3.2.3 Communication Connectors ................................................... 8
3.2.3.1 DB-9 Connector ..................................................... 8
3.2.3.2 RJ-45 Data Cables................................................. 9
3.2.4 Power Connections ............................................................... 10
3.3 SETUP............................................................................................... 11
3.3.1 Preliminary Discussion .......................................................... 11
3.3.2 DIP Switch Settings ............................................................... 13
3.3.3 Software Considerations ....................................................... 16
4.0 INSTALLATION .......................................................................................... 17
4.1 DIRECT RACK-MOUNT HOOK-UP .................................................. 17
4.2 REMOTE OPERATION...................................................................... 17
4.3 DAISY-CHAINING .............................................................................. 18
5.0 OPERATION .............................................................................................. 19
5.1 OPERATIONAL OVERVIEW ............................................................. 19
5.2 OPERATING THE CM9760-REL FROM THE CM9760-KBD ............ 19
5.2.1 Information Retrieval ............................................................. 19
5.2.2 Keyboard Operation .............................................................. 21
6.0 SPECIFICATIONS ..................................................................................... 23
7.0 WARRANTY AND RETURN INFORMATION ............................................ 24
LIST OF ILLUSTRATIONS
Figure
Page
Front View with Panel Removal ............................................................ 5
1
2
3
4
5
6
7
8
9
Rear View of the CM9760-REL ............................................................ 6
Relay Interface Contact Configuration.................................................. 7
External Relay Wiring ........................................................................... 8
RJ-45 Pin-outs...................................................................................... 9
RJ-45 Cable Types ............................................................................... 9
Power Input Fuse Replacement .......................................................... 10
Relationship of Frame Address Space and the Relay Interface Unit... 11
Relationship of Frame Address Space with Respect to Starting
Address and the Relay Interface Units ................................................ 12
DIP Switch Functions .......................................................................... 13
Configuring the GPI Define File for REL Operation ............................. 16
Configuring the COMMS File for REL Operation ................................ 16
Unit Dimensions and Rack-Mount Installation..................................... 17
Relay Unit Daisy-Chain Configuration ................................................. 18
Physical Representation of Figure 16 ...............................................20
Controlling REL Output Contacts From the CM9760-KBD ...............22
10
11
12
13
14
15
16
LIST OF TABLES
Table
Page
A
Frame Address, GPI Range Association ..........................................14
2
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1.0 GENERAL
1.1 IMPORTANT SAFEGUARDS AND WARNINGS
Prior to installation and use of this product, the following WARNINGS should be
observed.
1. Installation and servicing should only be done by qualified service personnel
and conform to all local codes.
2. Unless the unit is specifically marked as a NEMA Type 3, 3R, 3S, 4, 4X ,6 or
6P enclosure, it is designed for indoor use only and it must not be installed
where exposed to rain and moisture.
3. Only use replacement parts recommended by Pelco.
4. After replacement/repair of this unit’s electrical components, conduct a resis-
tance measurement between line and exposed parts to verify the exposed
parts have not been connected to line circuitry.
The product and/or manual may bear the following marks:
This symbol indicates that dangerous voltage constituting a
risk of electric shock is present within this unit.
This symbol indicates that there are important operating and
maintenance instructions in the literature accompanying this
unit.
CAUTION:
RISK OF
ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION:
TO REDUCE THE RISK OF ELECTRICAL SHOCK,
DO NOT REMOVE COVER. NO USER-
SERVICEABLE PARTS INSIDE. REFER SERVICING
TO QUALIFIED SERVICE PERSONNEL.
Please thoroughly familiarize yourself with the information
in this manual prior to installation and operation.
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2.0 DESCRIPTION
The CM9760-REL Relay Interface Unit is an optional accessory of the System 9760®.
The relay interface unit provides dry contact switching for direct or automatic con-
trol of peripheral equipment. The unit connects to any RS-422 COMM port on the
rear of the CM9760-CC1.
Some of the more important features of the CM9760-REL are as follows:
•
•
•
•
Each unit provides up to 64 single-pole, single-throw (SPST) contact outputs
for operating different peripheral equipment.
Relay output contacts may be configured for N/O (factory default) or N/C op-
eration.
With a handy “memory” feature, relay groups can retain or hold their pre-power
loss contact position in the event of a power failure or front panel reset.
Multiple units may be cascaded to extend the number of relay contact outputs
controlled from a single port on the CC1 (over 5,000 relay outputs can be
configured).
•
The relay unit may be remotely placed up to 4,000 feet (1,219.2 meters) from
the controller (RS-422 operation).
•
•
The unit is powered by an auto-ranging power supply.
The unit is a unique, one rack unit chassis (1.75 inches or 4.45 cm) accommo-
dating multiple types of mounting.
2.1 MODELS
CM9760-REL
Single relay unit capable of controlling up to 64 relay contact
outputs per unit. (CE)
4
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3.0 PRE-INSTALLATION INFORMATION
3.1 FRONT VIEW AND DIP SWITCH ACCESS
Figure 1 illustrates a front view of the unit with its front panel removed.Power (green)
and Data (red) LEDs occupy opposite ends of the unit’s front panel. As illustrated,
the removal of the five flat-head Phillips screws that hold the front panel in place
allow access to the units three DIP switches and the reset switch. All other switches
and connectors are on the rear of the unit.
3.1.1 DIP Switches
The relay interface unit has three 10-position DIP switches that configure the com-
munication parameters for the unit as well setting the parameters for relay contact
output operation. DIP switch functions are discussed in Section 3.3.2, DIP Switch
Settings.
3.1.2 LEDs
The green POWER LED located on the left side of the front panel of the unit comes
ON at power up.
The red DATA LED located on the right side of the front panel continually flashes on
and off at a regular rate (about 1/2 second intervals) until the first valid command is
received. The LED will not flash again until another valid command is received. In
cascaded configurations, each relay unit only indicates receiving data when the
data has the corresponding address of the unit. In other words, LED activity is
address specific.
In addition, if power is cycled, if a DIP switch slide switch position is moved, or if a
front panel reset occurs, the LED will again flash intermittently until the first valid
command is received.
Figure 1. Front View with Panel Removal
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3.2 REAR VIEW
The rear of the unit is illustrated in Figure 2. From left to right are the following:
1. Four blocks consisting of 16 contact pairs, each with mating plugs for the at-
tachment of peripheral equipment. (Only the block for the first 16 contact pairs
is shown with mating plugs.)
2. RS-422 input/output communication connectors (RJ-45 type).
3. One DB-9 connector (factory use only).
4. The grouped input power functions, consisting of input power terminals, a fuse
and an ON/OFF switch.
Figure 2. Rear View of the CM9760-REL
6
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3.2.1 REL Contact Pair Connections
NOTE: The numbers that appear
on the mating plugs in Figure 3 are
placed there for explanatory pur-
poses only. The terminal positions
on the actual physical plugs are not
numbered.
Physically, each relay block consists of 16 relay contacts and two mating plugs.
Since a relay contact requires two terminal positions, each plug provides 8 contacts
via 16 screw terminals.
To determine the screw terminal pin numbers for a particular contact, refer to
Figure 3.
Figure 3. Relay Interface Contact Configuration
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3.2.2 External Relay Wiring Considerations
Components of external relay wiring are illustrated in Figure 4.
3.2.3 Communication Connectors
Communication to and from the unit is provided through two RJ-45 ports on the
rear of the CM9760-REL.The ports are physically referenced as IN and OUT ports.
The RJ-45 IN connector allows the REL unit to be connected to an appropriate
Sercom port on the rear of a CM9760-CC1 controller. This port is factory set for
RS-422 communications.
The RJ-45 OUT female connector on the rear of the unit is always configured for
RS-422 and is used for cascading subsequent REL units.
The RJ-45 connector pin-outs are illustrated in Figure 5.
3.2.3.1 DB-9 Connector
The rear panel DB-9 connector (factory use only).
32°-122°F (0°-50°C)
+
–
Figure 4. External Relay Wiring
8
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3.2.3.2 RJ-45 Data Cables
Because both RJ-45 connectors have the same wiring pin-outs, they require the
same “flipped” cable. In other words, the IN connector requires a “flipped” cable for
connecting the first unit to the CC1, and the OUT connector requires a “flipped”
cable for cascading other units. A “flipped” cable is as follows: Pin 1 of the cable at
one end becomes pin 8 at the other end. Refer to Figure 6.
NOTE: Use the supplied “flipped”
or reverse cable for all data con-
nections to the relay unit whenever
possible.
Note that the active pin-outs are associated with the outer four pins; namely, 1, 2, 7,
and 8. All accessories on the System 9760 require that the “flipped” cable be used
to attach peripheral equipment. This includes the REL unit.
NOTE REVERSE OR “FLIPPED” CABLE
Figure 5. RJ-45 Pin-outs
Figure 6. RJ-45 Cable Types
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3.2.4 Power Connections
The CM9760-REL utilizes an auto-ranging internal transformer circuit that allows
input power to range from 100-240 VAC, 50/60Hz. Associated with the input power
is the power ON/OFF switch and the input power fuse. The fuse is easily changed
as illustrated in Figure 7.
Figure 7. Power Input Fuse Replacement
10
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3.3 SETUP
3.3.1 Preliminary Discussion
NOTE: At present, 700 GPIs are
available per system node. This
limit must be kept in mind when
configuring cascaded systems.
Some devices utilize more GPIs
and therefore more Frame Address
Space than other devices.
FRAME ADDRESSES
The IRC, VCRC, and the CM9760-REL Relay Interface Unit, all use software GPIs
to activate control of external devices.
The number of GPIs required by each hardware device varies.The number of GPIs
(General Purpose Interfaces) required by the REL is eight.
The address setting entered into the DIP switches, however, is based on what is
called a frame address.
NOTE: Only one device type at a
time can utilize the same frame
start address.
There is a direct numerical relationship between GPIs and frame addressing, which
is as follows:
THE USE OF 32 GPIs SPANS ONE FRAME ADDRESS, REGARDLESS OF DE-
VICE TYPE USED (device types other than REL units also utilize GPI control).
Therefore a single REL, which uses eight GPIs, occupies only 1/4 of a frame ad-
dress (refer to Figure 8).
This means that four relay units fit into one frame address space.To uniquely iden-
tify and address REL units within this frame address space, two additional address
bits (sub-frame bits) are used (refer to Figure 10).
The frame address entered in the DIP switch for the REL (or any other device)
serves as a STARTING point for the frame address space it needs. Once a starting
frame address is entered, the REL can be thought of as allocating for itself the next
eight GPIs or the equivalent 1/4 frame address space it needs to operate.The REL,
of course, is unique in that when you have any grouping of REL units totaling four or
less, they will all more than likely share the SAME FRAME ADDRESS, and differ
only in their SUB-FRAME address bit settings.
ADDITIONAL REMARKS REGARDING FRAME ADDRESSES AND GPIs
One frame address is equivalent to the use of 32 GPIs.With a total of only 700 GPIs
available, only 700/32 or 21.8 (rounded up to 22) frame addresses are needed.
Frame addressing starts at “0”, so frame addressing runs from 0 to 21, or 22 total.
The layout of all 22 frame addresses and corresponding GPI ranges can be found
in Table A.
Figure 8. Relationship of Frame
Address Space and
the Relay Interface
Unit
THE RELAY INTERFACE MEMORY FUNCTION
SW3 DIP switch settings (SW3-3 through SW3-6) control what can be thought of
as the contact “memory” function for the REL unit.
One would normally expect that when power is cycled (via a power failure or front
panel reset) that the relay contacts would return to their default settings, which for
the REL, would be determined by the normally open, normally closed (N/O, N/C)
settings entered into DIP switch 2 (SW2-7 through SW2-10).
The additional DIP switch settings for the memory function allow you to override the
default setting in the event power is cycled. With a switch setting of “1” (memory
enabled), the contacts (in groups of 16) will retain the contact setting they had at
the time power was cycled. For groups not enabled, the contacts will defer to their
default values (per DIP switch 2 settings) if power is cycled (refer to Figure 10).
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When setting frame addresses on the front panel switches for a group of daisy-
chained REL units, keep in mind a few working rules:
NOTE: Figure 9 does not neces-
sarily represent the order in which
REL units are physically con-
nected together (for that, refer to
Figure 14).
WORKING RULES
1. Start with frame address 0, which is associated with physical GPI 1, and work
sequentially forward until all relay interface units are accounted for. Insure that
frame address space is contiguous (see EXAMPLE ONE andTWO of Figure 9).
Figure 9 does illustrate that frame
address settings:
2. The physical order in which relay units are connected is irrelevant. In a cas-
caded situation, however, leftover REL combinations using less than one frame
address space should be placed at the tail-end of allocated frame address
space.
(1) Must be unique for each unit.
(2) Must follow the working rules
listed.
3. Do not overlap frame address spaces (see EXAMPLE FOUR in Figure 9).
4. Do not leave any open frame address spaces in the layout (see EXAMPLE
THREE in Figure 9).
For explanatory purposes, the setup in Figure 9 is used again in other parts of
the manual to illustrate various aspects of REL configuration and setup.
EACH BOX REPRESENTS THE
FRAME ADDRESS SPACE
(EIGHT GPIs) USED BY ONE
REL UNIT.
SUB-
FRAME
ADDRESS
FRAME
ADDRESS
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
3
2
1
0
OK
FRAME ADDRESS
OVERLAP NOT
ALLOWED
UNIT REFERENCE:
ONE FRAME ADDRESS
SPACE SPANS 32 GPIs
ADDRESS SPACING
GAPS NOT ALLOWED
Figure 9. Relationship of Frame Address Space with Respect to
Starting Address and the Relay Interface Units
12
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3.3.2 DIP Switch Settings
DIP switch settings are illustrated and discussed in Figure 10.
Figure 10. DIP Switch Functions
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Table A. Frame Address, GPI Range Association
Daisy-Chained
Relay Units
Running Total
Frame
Addresses
SW2
Sub-Frame
Addresses Frame/Sub-Frame
SW3
1
Combined
Associated GPI Range
Eight Required GPI #’s Associated
with a Frame/Sub-Frame Address
Addresses
FA/SFA
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
2
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
2
3
4
5
6
7
8
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
00
01
02
03
10
11
12
13
20
21
22
23
30
31
32
33
40
41
42
43
50
51
52
53
60
61
62
63
70
71
72
73
80
81
82
83
90
91
92
93
100
101
102
103
1
2
3
4
5
6
7
8
2
9
10
18
26
34
42
50
58
66
74
82
90
98
11
19
27
35
43
51
59
67
75
83
91
12
20
28
36
44
52
60
68
76
84
92
13
21
29
37
45
53
61
69
77
85
93
14
22
30
38
46
54
62
70
78
86
94
15 16
23 24
31 32
39 40
47 48
55 56
63 64
71 72
79 80
87 88
95 96
3
17
25
33
41
49
57
65
73
81
89
97
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
99 100 101 102 103 104
105 106 107 108 109 110 111 112
113 114 115 116 117 118 119 120
121 122 123 124 125 126 127 128
129 130 131 132 133 134 135 136
137 138 139 140 141 142 143 144
145 146 147 148 149 150 151 152
153 154 155 156 157 158 159 160
161 162 163 164 165 166 167 168
169 170 171 172 173 174 175 176
177 178 179 180 181 182 183 184
185 186 187 188 189 190 191 192
193 194 195 196 197 198 199 200
201 202 203 204 205 206 207 208
209 210 211 212 213 214 215 216
217 218 219 220 221 222 223 224
225 226 227 228 229 230 231 232
233 234 235 236 237 238 239 240
241 242 243 244 245 246 247 248
249 250 251 252 253 254 255 256
257 258 259 260 261 262 263 264
265 266 267 268 269 270 271 272
273 274 275 276 277 278 279 280
281 282 283 284 285 286 287 288
289 290 291 292 293 294 295 296
297 298 299 300 301 302 303 304
305 306 307 308 309 310 311 312
313 314 315 316 317 318 319 320
321 322 323 324 325 326 327 328
329 330 331 332 333 334 335 336
337 338 339 340 341 342 343 344
345 346 347 348 349 350 351 352
(Continued on next page)
14
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Table A. Frame Address, GPI Range Association (Continued)
Daisy-Chained
Relay Units
Running Total
Frame
Addresses
SW2
Sub-Frame
Addresses Frame/Sub-Frame
SW3
1
Combined
Associated GPI Range
Eight Required GPI #’s Associated
with a Frame/Sub-Frame Address
Addresses
FA/SFA
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
2
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
3
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
2
3
4
5
6
7
8
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
110
111
112
113
120
121
122
123
130
131
132
133
140
141
142
143
150
151
152
153
160
161
162
163
170
171
172
173
180
181
182
183
190
191
192
193
200
201
202
203
210
211
212
213
353 354 355 356 357 358 359 360
361 362 363 364 365 366 367 368
369 370 371 372 373 374 375 376
377 378 379 380 381 382 383 384
385 386 387 388 389 390 391 392
393 394 395 396 397 398 399 400
401 402 403 404 405 406 407 408
409 410 411 412 413 414 415 416
417 418 419 420 421 422 423 424
425 426 427 428 429 430 431 432
433 434 435 436 437 438 439 440
441 442 443 444 445 446 447 448
449 450 451 452 453 454 455 456
457 458 459 460 461 462 463 464
465 466 467 468 469 470 471 472
473 474 475 476 477 478 479 480
481 482 483 484 485 486 487 488
489 490 491 492 493 494 495 496
497 498 499 500 501 502 503 504
505 506 507 508 509 510 511 512
513 514 515 516 517 518 519 520
521 522 523 524 525 526 527 528
529 530 531 532 533 534 535 536
537 538 539 540 541 542 543 544
545 546 547 548 549 550 551 552
553 554 555 556 557 558 559 560
561 562 563 564 565 566 567 568
569 570 571 572 573 574 575 576
577 578 579 580 581 582 583 584
585 586 587 588 589 590 591 592
593 594 595 596 597 598 599 600
601 602 603 604 605 606 607 608
609 610 611 612 613 614 615 616
617 618 619 620 621 622 623 624
625 626 627 628 629 630 631 632
633 634 635 636 637 638 639 640
641 642 643 644 645 646 647 648
649 650 651 652 653 654 655 656
657 658 659 660 661 662 663 664
665 666 667 668 669 670 671 672
673 674 675 676 677 678 679 680
681 682 683 684 685 686 687 688
689 690 691 692 693 694 695 696
697 698 699 700 701 702 703 704
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3.3.3 Software Considerations
NOTE: When writing macros to
control REL operation, keep in
mind the following:
Access to the operation of specific devices connected to REL units using keyboards
commands or macro operations depends on the GPI and the specific GPI ranges
each REL unit is assigned. For this to be possible, the software GPI Define File
must be configured using the MGR program. What follows is a brief introduction to
the configuration of the GPI and COMM setup files that need to be programmed for
successful REL operation.This introduction may not address other items that might
be needed for your particular system operation. Consult your MGR manual and
associated software for other specific or detailed information.
The macro must reflect your actual
equipment configuration; if you
change the configuration, you must
adjust the macro accordingly. For
example, if a macro were written
to control three RELs in a daisy-
chain configuration and one of the
RELs was subsequently removed,
then any previously written macro
that included these three RELs
would have to be rewritten to re-
flect that change. Similarly, chang-
ing the frame address setting of
any of the RELs is essentially the
same as physically removing it
from the configuration.
On a PC and monitor containing the 9760 MGR setup program, start the program
and access the GPI File (GPI file). Refer to Figure 11.
Each GPI can control up to eight relays; we therefore need to configure eight GPIs
to control the 64 relays on one REL unit.
1. Program the logical GPI numbers for all the physical GPI numbers that will be
used. In most cases it is advisable to program the logical number to be equal
to the existing physical GPI number.
2. For each associated GPI defined, configure individual relays as momentary or
latching, depending on the application.
R1 R2 R3
R8
✓
✓
✓
Latching
. . .
If the box is checked, it is latching; otherwise it is mometary (refer to Figure 11).
3. Define operator access, save the GPI file, return to the MGR main menu screen
and press the tab to bring up the COMMS file (.SCP file). Refer to Figure 12.
4. In the COMMs file, assign an equipment number (PIN) of 17 to the port on the
CC1 that will be used for communicating with the REL. Set the communication
settings for 9600 baud and even parity. Save the COMMs file, back out of the
MGR program and transfer all appropriate configuration files to disk and load
these files onto the CC1 to which your REL configuration is attached. You
should now be ready to operate your REL via direct control from the CM9760-
KBD. For manual or automatic control of REL functions under macro control,
consult the appropriate sections of the MGR manual.
R1, R2...R8 CONFIGURED AS
MOMENTARY OR LATCHING
(DEPENDING ON APPLICATION)
Figure 11. Configuring the GPI Define File for
Figure 12. Configuring the COMMS File for
REL Operation
REL Operation
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4.0 INSTALLATION
Physical installation of the REL unit is relatively simple, although various configura-
tions are possible.
4.1 DIRECT RACK-MOUNT HOOK-UP
The REL unit mounts in a standard 19-inch rack and occupies only one RU (1.75"
or 4.45 cm) of rack space (refer to Figure 13).
4.2 REMOTE OPERATION
The relay unit may be mounted to something other than a standard 19-inch rack by
relocating the rack ears to another position. If it is desired to place the REL unit
some distance from the controller (CM9760-CC1), the RS-422 communications
from the relay unit to the controller should not exceed 4,000 feet (1,219 m).
Figure 13. Unit Dimensions and Rack-Mount Installation
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4.3 DAISY-CHAINING
Daisy-chaining occurs when more than 64 relays are required.
More importantly, each unit must be configured to have a unique address, referred
to as a Frame Address. Frame addressing with respect to REL units was discussed
in Section 3.3.1.What follows is a discussion about the physical hook-up of multiple
REL units. System software supports up to 700 GPIs or 5,600 relays. Whether
daisy-chaining two or multiple REL units, the first unit is connected from its “IN”
connector to the CC1 and connected to the second unit through its “OUT” connec-
tor. Subsequent units are chained together in the same way.
Figure 14 illustrates the physical hook-up of two cascaded configurations, each
containing nine REL units having the frame addresses illustrated in Figure 9.
NOTE: SinceVCRC units also uti-
lize GPI addressing, they can be
bussed together with REL units.
Note that the physical order that any unit has in the configuration is independent of
its frame/sub-frame address.
Also note that the remarks made in the previous section regarding RS-422 wiring
run distances applies here when considering cables distance runs between daisy-
chained units.
THE DIAGRAM BELOW DEPICTS VALID PHYSICAL HOOKUP VARIATIONS
OF THE SETUP DISCUSSED IN FIGURE 9 (MANY OTHERS ARE POSSIBLE).
SINCE EACH UNIT HAS A UNIQUE ADDRESS, IT MAKES NO DIFFERENCE
WHERE, IN THE CASCADED CHAIN, A PARTICULAR UNIT IS LOCATED.
HOOK-UP (1) AND (2) BELOW DIFFER PHYSICALLY, BUT ARE OPERATIONALLY
THE SAME (SEE NOTE).
SWAPPED OR REVERSE CABLES
(REFER TO SECTION ON COMMUNICATION CONNECTORS)
(1)
(2)
NOTE: PHYSICAL LOCATION OF REL 9 IN (2) IS DIFFERENT THAN REL 9 IN (1),
BUT OPERATIONALLY THE SAME BECAUSE THE FRAME ADDRESS HAS
NOT CHANGED.
Figure 14. Relay Unit Daisy-Chain Configuration
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5.0 OPERATION
5.1 OPERATIONAL OVERVIEW
The basic function of the REL unit is to allow the user/operator to control various
peripheral equipment via relay contacts. Each REL unit processes and executes
only commands with addresses that match that of the RELs (frame address).When
an REL receives a command with an inappropriate address, it passes it on to the
next unit (if applicable) via its OUT port.
When power is first applied to the unit, RAM is cleared and initialization routines
are called. The power LED is lit, operational chips are configured, interrupt priori-
ties are set and the Data LED starts flashing on and off at about 1/2 second
intervals (refer to Section 3.1.2, LEDs). The unit is waiting for its first valid com-
mand.
5.2 OPERATING THE CM9760-REL FROM THE CM9760-KBD
Direct control operation of peripherals attached to RELs from a CM9760-KBD is
relatively straightforward once you have determined which GPI to call and AUX to
activate. In the next section, we discuss two methods for obtaining this information.
Method 1 uses Figure 16 and Table A; Method II uses the CM9760-REL GPI/AUX
CALCULATOR only (ignore VCRC references on the backside of the calculator).
5.2.1 Information Retrieval
OUR EXAMPLE: Assume you have five cascaded REL units and you wish to acti-
vate the peripheral device attached to relay 39 on REL unit 5.
What information do you need to know?
Where can you find the information?
First, you need to determine two things:
1. Which GPI to call of the 704 available.
2. Which AUX, associated with the GPI, to press.
Method I – Table A and Figure 15
Figure 15 is a physical representation of OUR EXAMPLE. We will also use it to
recap the information needed to perform the steps illustrated in Figure 16.
First, the GPI range. Every REL unit is associated with a range of eight GPIs. In our
sequential run of cascaded units, REL 5 has a GPI range of 33-40. (Had we instead
been interested in REL unit 1, then the GPI range we would want would be 1-8).
The GPI range can be determined in a number of ways: (1) you may already have a
list or (2), you can match the frame/sub-frame address on the physical REL unit
with those listed in Table A and thus find the GPI range and (3), if you already know
the frame/sub-frame address, you can use Table A alone.
Starting on the left in Figure 15, you can follow the line to the right of GPI 37 over to
where it intersects with the AUX associated with relay grouping 33-40. GPI 37,
therefore, is the specific GPI we need to accomplish our task. Of eight AUX associ-
ated with GPI 37, we can see that AUX 7 is the one we need. Follow the vertical line
from AUX 7 up to where it intersects the associated relay numbers and you will find
number 39.
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Figure 15. Physical Representation of Figure 16
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Method II – The CM9760-GPI/AUX Calculator
If we revisit the EXAMPLE just discussed and illustrated in Figures 15, we can
immediately find the information needed by direct read-off from the information
boxes on the front of the calculator.
Move the calculator wheel until the number “five” appears in the Relay Unit # box.
Go to the table to the right of that and locate relay 39 in the yellow highlighted box;
travel to the left along that row and read off GPI 37 on the GPI Range slot. Next,
read off the AUX needed by looking at the Associated Aux row and locate the Aux #
directly above 39.You now have the information needed (call GPI 37, press AUX 7)
to operate the desired relay from the 9760-KBD.Once the GPI and AUX information
is at hand, control from the keyboard is easy. (Refer to Section 5.2.2, KEYBOARD
OPERATION.)
Other Operations Using the Calculator
The CM9760-GPI/AUX Calculator comes in handy for operations other than obtain-
ing the information needed for direct keyboard control operations.
Other uses might include the following:
1. As a reference for setting frame/sub-frame address switches when installing a
group of cascaded REL units in a system installation. Just display each Relay
Unit # in the order it is installed (1-5, say) and at each setting of the wheel,
read off the frame/sub-frame Dip Switch readings and set the corresponding
switches on the REL unit itself.
2. If you need to know the GPI range of a particular unit, move the wheel until the
unit’s DIP switch settings match those that appear in the calculator’s frame/
sub-frame address boxes. Directly read off the GPI range for the given REL
unit.
3. Check on the validity of a GPI call.
4. Use the wheel while programming GPI and other related files to double-check
the relationship of the GPIs being defined with respect to the relay actually
being set up for use on which unit.
5. As an information source in troubleshooting situations.
5.2.2 Keyboard Operation
Using the specific GPI/AUX information obtained via Method I or Method II, it is
possible to control the desired peripheral device from the CM9760-KBD.
Below are listed the steps needed to utilize this information for direct control opera-
tion from the 9760 keyboard.
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Once the system is running and a keyboard is on-line, direct control of an REL is as
follows (refer to Figure 16):
1. From the Default menu, use the keyboard keypad to enter the GPI number
that contains the relay output you wish to activate (data obtained via Method I
or Method II).
2. After entering the desired number, press the GPI button to bring up the GPI
sub-menu.
3. The GPI sub-menu shows the first six of eight auxiliary function icons, corre-
sponding to six relays associated with the selected GPI. Press the MORE
button to see the remaining two.
NOTE: Figure 16 uses the setup
configuration of Figure 9 to illustrate
the steps involved to activate relay
39 output on REL unit 5.
4. Press the appropriate AUX function button directly below the desired Aux icon
to activate the relay and associated peripheral device.
5. Repeat steps 1 through 4 to control additional devices.
Figure 16. Controlling REL Output Contacts From the CM9760-KBD
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6.0 SPECIFICATIONS
ELECTRICAL
REL UNIT RELAY CONTACTS**
Parameters:
Maximum Switching Capacity
Maximum Operating Voltage
Maximum Current
Contact Resistance
60 Watts
125V AC/DC
2 Amps
75 m ohms
Rated Load
Parameters:
.5A @ 125 VAC
2A @ 30 VDC
REL UNIT
Input Voltage:
Auto-ranging 100-240 VAC 50/60 Hz
Consumption: 30 vA, 5 watts
Power:
Data Ports
Input:
RS-422, RJ-45 connector
DIP switch selectable baud-rate.
Output:
RS-422, RJ-45 connector.
DIP switch selectable baud rate
Output:
RS-232, DB-9 connector
Indicators:
2 power LEDs, green
1 data LED, red
Fusing:
500 mA, 250V
GENERAL
Dimensions:
17.4" W x 1.73" H x 8.54" D (44.2 cm x 4.39 cm x 21.69 cm)
Operating
Temperature:
32°F to 122°F (0°C to 50°C)
Weight:
8 lb (3.63 kg)
MECHANICAL
Connectors
REL Input:
Power:
Four dual-header, 32 input connectors with mating plugs
3-wire, #18 AWG
RS422:
Two RJ-45 connectors
RS-232:
Relay out:
One DB-9 connector (factory use only)
One 3-pin header with mating plug
** For information regarding additional specified, known parameters, refer to speci-
fication sheets for relay type G6SK-2F-H from OMRON, if necessary.
(Design and product specifications subject to change without notice.)
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7.0 WARRANTY AND RETURN INFORMATION
WARRANTY
If a warranty repair is required, the Dealer must contact Pelco at
(800) 289-9100 or (559) 292-1981 to obtain a Repair Authorization num-
ber (RA), and provide the following information:
Pelco will repair or replace, without charge, any merchandise proved de-
fective in material or workmanship for a period of one year after the date
of shipment. Exceptions to this warranty are as noted below:
1. Model and serial number
2. Date of shipment, P.O. number, Sales Order number, or Pelco invoice
number
•
Five years on Pelco manufactured cameras (CC3500/CC3600/CC3700
and MC3500/MC3600/MC3700 Series); two years on all other cam-
eras.
3. Details of the defect or problem
•
•
•
•
•
•
Three years on Genex® Series (multiplexers, server, and keyboard)
and 090 Series Camclosure® Camera System.
If there is a dispute regarding the warranty of a product which does not fall
under the warranty conditions stated above, please include a written ex-
planation with the product when returned.
Two years on 100/150, 200 and 300 Series Camclosure® Camera Sys-
tems.
Two years on cameras and all standard motorized or fixed focal length
lenses.
Method of return shipment shall be the same or equal to the method by
which the item was received by Pelco.
Two years on Legacy®, CM6700/CM6800/CM6800E/CM8500/CM9500/
CM9740/CM9760 Matrix, DF5 and DF8 Series Fixed Dome products.
RETURNS
Two years on Spectra®, Esprit®, and PS20 Scanners, including when
used in continuous motion applications.
In order to expedite parts returned to the factory for repair or credit, please
call the factory at (800) 289-9100 or (559) 292-1981 to obtain an authori-
zation number (CA number if returned for credit, and RA number if re-
turned for repair).
Two years on Esprit® and WW5700 series window wiper (excluding
wiper blades).
•
•
Eighteen months on DX Series digital video recorders.
All merchandise returned for credit may be subject to a 20% restocking
and refurbishing charge.
One year (except video heads) on video cassette recorders (VCRs).
Video heads will be covered for a period of six months.
Goods returned for repair or credit should be clearly identified with the
assigned CA or RA number and freight should be prepaid. Ship to the
appropriate address below.
•
Six months on all pan and tilts, scanners or preset lenses used in con-
tinuous motion applications (that is, preset scan, tour and auto scan
modes).
If you are located within the continental U.S., Alaska, Hawaii or Puerto
Rico send the goods to:
Pelco will warrant all replacement parts and repairs for 90 days from the
date of Pelco shipment. All goods requiring warranty repair shall be sent
freight prepaid to Pelco, Clovis, California. Repairs made necessary by
reason of misuse, alteration, normal wear, or accident are not covered
under this warranty.
Service Department
Pelco
3500 Pelco Way
Clovis, CA 93612-5699
Pelco assumes no risk and shall be subject to no liability for damages or
loss resulting from the specific use or application made of the Products.
Pelco’s liability for any claim, whether based on breach of contract, negli-
gence, infringement of any rights of any party or product liability, relating
to the Products shall not exceed the price paid by the Dealer to Pelco for
such Products. In no event will Pelco be liable for any special, incidental
or consequential damages (including loss of use, loss of profit and claims
of third parties) however caused, whether by the negligence of Pelco or
otherwise.
If you are located outside the continental U.S., Alaska, Hawaii or Puerto
Rico and are instructed to return goods to the USA, you may do one of the
folllowing:
If the goods are to be sent by a COURIER SERVICE, send the goods to:
Pelco
3500 Pelco Way
Clovis, CA 93612-5699 USA
If the goods are to be sent by a FREIGHT FORWARDER, send the goods to:
The above warranty provides the Dealer with specific legal rights. The
Dealer may also have additional rights, which are subject to variation from
state to state.
Pelco c/o Expeditors
473 Eccles Avenue
South San Francisco, CA 94080 USA
Phone: 650-737-1700
Fax: 650-737-0933
REVISION HISTORY
Manual #
C538M
C538M-A
Date
12/98
3/04
Comments
Original version.
Revised Figures 2 and 10 to include RS-232 information. Revised Specifications. Updated Warranty and Return Information.
® Pelco, the Pelco logo, Spectra, Genex, Legacy, Esprit, Camclosure, and System 9760 are registered trademarks of Pelco.
© Copyright 2004, Pelco. All rights reserved.
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