Agilent Technologies Video Games 60502B User Manual

OPERATING MANUAL  
300 WATT ELECTRONIC LOAD MODULE  
Agilent Model 60502B  
FOR MODULES WITH SERIAL NUMBERS:  
3118A-00101 AND ABOVE  
Agilent Part No. 60502-90008  
Microfiche No. 60502-90009  
Printed in U.S.A.  
June, 1991  
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300-Watt Module  
About This Manual  
This manual provides information for the Agilent 60502B 300-Watt Electronic Load Module. It is designed as a  
supplement to the Agilent 6050A/6051A Multiple Input Mainframe Electronic Load Operating Manual (part number 06050-  
90001). Four tables provide the following module-specific information:  
Table 60502-1 lists both the specifications and supplemental characteristics of the module. Specifications indicate  
warranted performance in the 25 °C ± 5 °C region of the total temperature range (0 to 55° C). Supplemental characteristics  
indicate non-warranted, typical performance and are intended to provide additional information by describing performance  
that has been determined by design or type testing.  
Table 60502-2 lists the ranges that can be programmed in constant current, constant resistance, and constant voltage modes.  
It shows the maximum and minimum programming values for each range. Refer to this table when programming the  
module locally as described in Chapter 4, or remotely as described in Chapter 5 of the operating manual.  
Table 60502-3 gives the factory default values of the module. Unless you have saved your own wake-up settings, the  
module will be set to the factory default values whenever power is applied. See Chapter 4 in the operating manual.  
Table 60502-4 provides calibration information for the module. This information is needed to perform the annual  
calibration procedure described in Chapter 6 of the operating manual.  
Module Installation and Operation  
Except for the module-specific information in this manual, all installation, operation, and calibration instructions are given  
in the Mainframe Operating Manual. The Agilent Electronic Load Family Programming Reference Manual (part number  
06060-90005) contains complete programming details that apply to all Electronic Load models.  
Note:  
The following information in Chapter 2 of the Mainframe Operating Manual does not apply to electronic  
load modules with the serial numbers listed on the title page of this manual: The section titled "Extended  
Power Operation", and the section titled "Extended Power Limit". Also for these modules, change the 3-  
second delay referred to under "Nominal Power Limit" to 50 milliseconds.  
Items Supplied  
In addition to this manual, a 10-pin connector plug is also shipped with your Electronic Load module. Refer to Chapter 3 in  
the operating manual for more information.  
1
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Table 60502-1. Specification and Supplemental Characteristics  
SPECIFICATIONS  
DC Input Rating:  
Current: 0 to 60 A  
Voltage: 3 V to 60 V (minimum dc operation from 0 to 2 V for 0 to 60 A)  
Power: 300 W at 40 °C (derated to 225 W at 55 °C)  
A. OPERATING CHARACTERISTICS  
Constant Current Mode:  
B. DERATED CURRENT DETAIL  
Ranges:  
0 to 6 A; and 0 to 60 A  
Accuracy:  
Resolution:  
Regulation:  
(after 30 second wait): ± 0.1% ± 75 mA (both ranges)  
1.6 mA (6 A range); 16 mA (60 A range)  
10 mA (both ranges)  
Temperature Coefficient:  
100 ppm/°C ± 5 mA/°C (both ranges)  
Constant Resistance Mode:  
Ranges:  
0.033 to 1 ; 1 to 1 k; and 10 to 10 kΩ  
Accuracy:  
± 0.8% ± 8 mwith 6 A at input (1 range);  
± 0.3% ± 8 mS with 6 V at input (1 kand 10 kranges)  
0.27 m(1 range); 0.27 mS (1 krange); 0.027 mS (10 krange)  
10 mV with remote sensing (1 range); 10 mA (1 k and 10 kranges)  
800 ppm/°C ± 0.4 m/°C (1 range);  
Resolution:  
Regulation:  
Temperature Coefficient:  
300ppm/°C ± 0.6 mS/°C (1 k and 10 kranges)  
Constant Voltage Mode:  
Range:  
0 to 60 V  
Accuracy:  
± 0.1% ± 50 mV  
Resolution:  
16 mV  
Regulation:  
Temperature Coefficient:  
10 mV (remote sense); 40 mV (local sense)  
100 ppm/°C ± 5 mV/°C  
2
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Table 60502-1 Specifications and Supplemental Characteristics (continued)  
Transient Operation:  
Continuous Mode  
Frequency Range:  
0.25 Hz to 10 kHz  
Frequency Resolution:  
Frequency Accuracy:  
Duty Cycle Range:  
4%  
3%  
3% to 97% (0.25 Hz to 1 kHz); 6% to 94% (1 kHz to 10 kHz)  
Duty Cycle Resolution:  
Duty Cycle Accuracy:  
4%  
6% of setting ± 2%  
Pulsed Mode  
Pulse Width:  
50 µs ± 3% minimum; 4 s ± 3% maximum  
Transient Current Level (0 to 6 A and 0 to 60 A ranges):  
Resolution:  
26 mA (6 A range); 260 mA (60 A range)  
Accuracy:  
± 0.1% ± 80 mA (6 A range); ± 0.1% ± 350 mA (60 A range)  
Temperature Coefficient:  
100 ppm/°C ± 7 mA/°C  
Transient Resistance Level (0.033 to 1 , 1 to 1 k, and 10 to 10 kranges):  
Resolution:  
Accuracy:  
4.3 m(1 range); 4.3 mS (1 krange); 0.4 mS (10 krange)  
± 0.8% + 8 mwith > 6 A at input (1 range)  
± 0. 3% + 10 mS with 6 V at input (1 krange)  
± 0.3% + 7 mS with 6 V at input (10 krange)  
Transient Voltage Level (0 to 60 V):  
Resolution:  
260 mV  
Accuracy:  
Temperature Coefficient:  
± 0.1% ± 300 mV  
150 ppm/°C ± 5 mV/°C  
Current Readback:  
Resolution:  
Accuracy:  
Temperature Coefficient:  
17 mA (via GPIB); 20 mA (front panel)  
(after 30 minute wait): ± 0.05% ± 65 mA  
50 ppm/ °C ± 5 mA/ °C  
Voltage Readback:  
Resolution:  
Accuracy:  
17 mV (via GPIB); 20 mV (front panel)  
± 0.05% ± 45 mV  
Temperature Coefficient:  
Maximum Readback Capability:  
50 ppm/°C ± 1.2 mV/°C  
65 to 70 V (typical)  
Power Readback:  
Accuracy:  
± 0.2% ± 4 W  
3
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Table 60502-1 Specifications and Supplemental Characteristics (continued)  
External Analog Programming 0 to 10 V (dc or ac):  
Bandwidth:  
Accuracy:  
10 kHz (3 db frequency)  
± 4.5% ± 75 mA (0 to 6 A range)  
± 4.5% ± 250 mA (0 to 60 A range)  
± 0.8% ± 200 mV (0 to 60 V range)  
100 ppm/°C ± 6 mA/°C (current ranges)  
100 ppm/°C ± 1 mV/°C (voltage range)  
Temperature Coefficient:  
External Current Monitor (0 to 10 V):  
Accuracy:  
± 0.4% ± 85 mA (referenced to analog common)  
Temperature Coefficient:  
50 ppm/°C ± 6 mA/°C  
External Voltage Monitor (0 to 10 V):  
Accuracy:  
± 0.25% ± 40 mV (referenced to analog common)  
Temperature Coefficient:  
50 ppm/ °C ± 0.2 mV/ °C  
Remote Sensing:  
5 Vdc maximum between sense and input binding posts  
Maximum Input Levels:  
Current:  
61.2 A (programmable to lower limits)  
75 V  
Voltage:  
Minimum Operating Voltage:  
2 V (derated to 0 V at 0 A)  
PARD (20 Hz to 10 MHz noise):  
Current:  
Voltage:  
4 mA rms/40 mA p-p  
6 mV rms  
DC Isolation Voltage:  
± 240 Vdc between + or - input binding post and chassis ground  
Digital Inputs:  
Vlo:  
Vhi  
0.9 V maximum at Ilo = -1 mA  
3.15 V minimum (pull-up resistor on input)  
Digital Outputs:  
Vlo:  
Vhi:  
0.72 V maximum at Ilo = 1 mA  
4.4 V minimum at Ilo - 20 µA  
SUPPLEMENTAL CHARACTERISTICS  
Programmable Slew Rate (For any given input transition, the time required will be either the total slew time or a minimum  
transition time, whichever is longer. The minimum transition time increases when operating with input currents under 1 A.  
The following are typical values; ± 25% tolerance):  
4
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Table 60502-1 Specifications and Supplemental Characteristics (continued)  
Current Slew Rate:*  
Rate # 60 A Range Step  
1 A/ms  
2.5 A/ms  
6 A Range Step  
0.1 A/s  
0.25 A/s  
0.5 A/s  
1 A/ms  
2.5 A/ms  
5 A/ms  
10 A/ms  
25 A/ms  
50 A/ms  
Transition Time  
8.0 ms  
3.2 ms  
1.6 ms  
800 µs  
320 µs  
160 µs  
80 µs  
32 µs  
16 µs  
12 µs  
12 µs  
1
2
3
4
5
5 A/ms  
10 A/ms  
25 A/ms  
50 A/ms  
6
7
8
9
10  
11  
12  
0.1 A/µs  
0.25 A/µs  
0.5 A/µs  
1 A/µs  
2.5 A/µs  
5 A/µs  
0.1 A/µs  
0.25 A/µs  
0.5 A/µs  
12 µs  
*AC performance specified from 3 to 60 V.  
Voltage Slew Rate:  
Rate # Voltage Range Step  
Transition Time*  
8.0 ms  
3.2 ms  
1.6 ms  
800 µs  
320 µs  
160 µs  
85 µs  
85 µS  
1
2
3
4
5
6
7
8
9
1 V/ms  
2.5 V/ms  
5 V/ms  
10 V/ms  
25 V/ms  
50 V/ms  
0.1 V/µs  
0.25 V/µs  
0.5 V/µs  
85 µS  
*Transition time based on low capacitance current source.  
Resistance Slew Rate (1 range): Uses the value programmed for voltage slew rate.  
Resistance Slew Rate (1 k and 10 kranges): Uses the value programmed for current slew rate.  
Transient Current Overshoot (When programmed from 0A):  
Range  
60 A  
Transient Current Level  
Current Slew Rate  
All slew rates  
1 A/µs to 5 A/µs  
Overshoot*  
6-60 A  
3 A  
3 A  
0
1%  
0
1 A/µs to 0.5 A/µs  
6 A  
6 A  
3 A  
3 A  
All slew rates  
0.25 A/µs to 0.5 A/µs  
0.1 A/ms to 0.1 A/µs  
0
1%  
0
*Overshoot may be higher during the first five seconds of programming if unit has been operating at full  
current. Overshoot values assume a total inductance of lµH, or less, in the load leads connected to the  
D.U.T.  
5
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Table 60502-1 Specifications and Supplemental Characteristics (continued)  
Source Turn-On Current Overshoot: Less than 10% of final value (in CC and CR modes when connected to power  
supplies with voltage rise times of greater than 500µs).  
Programmable Short Circuit: 0.033 (0.002 typical)  
Programmable Open Circuit: 20 k(typical)  
Drift Stability (over an 8 hour interval):  
Current:  
Voltage:  
± 0.03% ± 10 mA  
± 0.01% ± 10 mV  
Reverse Current Capacity:  
Weight:  
100 A when unit is on; 40 A when unit is off  
3.2 kg (7 lbs.)  
Table 60502-2. Programming Ranges  
Function  
Front Panel  
Key  
Front Panel  
Display  
HPSL Command  
(Short Form)  
Range of Values  
Constant Current  
Set Range  
C:RNG value  
"CURR:RANG value"  
Low Range  
High Range  
Set Main Level  
0 and 6 A  
> 6 A and 60 A  
CURR value  
C:SLW value  
"CURR value"  
Low Range  
High Range  
Set Slew Rate  
0 to 6 A  
0 to 60 A  
"CURR:SLEW value"  
(shift)  
Low Range  
High Range  
Set Transient Level  
0.00001 to 0.5 (A/µs)  
0.001 to 5 (A/µs)  
C:TLV value  
R:RNG value  
"CURR:TLEV value"  
"CURR:TRIG value"  
same as main level  
*Set Triggered Level  
Constant Resistance  
Set Range  
same as main level  
"RES:RANG value"  
Low Range  
Middle Range  
High Range  
Set Main Level  
Low Range  
0 and 1 Ω  
> 1 and 1 kΩ  
>1 kand 10 kΩ  
RES value  
"RES value"  
0 to 1 Ω  
Middle Range  
High Range  
Set Slew Rate  
1 to 1 kΩ  
10 to 10 kΩ  
(shift)  
(shift)  
Low Range  
Middle/High Range  
Set Transient Level  
V:SLW value  
C:SLW value  
R:TLV value  
"VOLT:SLEW value"  
"CURR:SLEW value"  
"RES:TLEV value"  
same as voltage slew  
same as current slew  
same as main level  
*Set Triggered Level  
Constant Voltage  
Set Main Level  
"RES:TRIG value"  
same as main level  
VOLT value  
V:SLW value  
V:TLV value  
"VOLT value"  
0 to 60 V  
Set Slew Rate  
"VOLT:SLEW value"  
"VOLT:TLEV value"  
"VOLT:TRIG value"  
0.001 to 0.5 (V/µs)  
same as main level  
same as main level  
Set Transient Level  
*Set Triggered Level  
6
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Table 60502-2. Programming Ranges (continued)  
Function  
Front Panel  
Key  
Front Panel  
Display  
HPSL Command  
(Short Form)  
Range of Values  
Transient Operation  
Set Frequency  
FREQ value  
"TRAN:FREQ value"  
0.25 Hz to 10 kHz  
Set Duty Cycle  
DCYCLE value "TRAN:DCYC value"  
3-97% (0.25 Hz-1 kHz)  
(shift)  
6-94% (1 kHz-10 kHz)  
0.00005 to 4 s  
*Set Pulse Width  
"TRAN:TWID value"  
Trigger Operation  
*Set Trigger Period  
Current Protection  
*Set Current Level  
*Set Delay Time  
"TRIG:TIM value"  
0.000008 to 4 s  
"CURR:PROT value"  
"CURR:PROT:DEL value"  
0 to 61.2 A  
0 to 60 s  
*Can only be programmed remotely via the GPIB.  
Table 60502-3. Factory Default Settings  
Function  
CURR level  
CURR transient level  
*CURR slew rate  
CURR range  
Settings  
0 A  
0 A  
1 A/µs  
60 A  
Function  
Setting  
CC  
Mode (CC, CR, CV)  
Input (on/off)  
Short (on/off)  
on  
off  
Transient operation (on/off)  
***TRAN mode  
(continuous, pulse, toggle)  
TRAN frequency  
off  
continuous  
*CURR protection (on/off)  
**CURR protection level  
**CURR protection delay  
off  
61.2 A  
15 s  
1 kHz  
50%  
TRAN duty cycle  
RES level  
RES transient level  
RES range  
**TRAN pulse width  
0.5 ms  
1 kΩ  
1 kΩ  
1 kΩ  
**TRIG source  
hold  
(bus, external, hold, timer, line)  
**TRIG period  
**PORT0 output (on/off)  
**CAL mode (on/off)  
VOLT level  
VOLT transient level  
VOLT slew rate  
60 V  
60 V  
5 V/µs  
0.001 s  
off (logic 0)  
off  
The *RST command resets the CURR slew rate to 5 A/µs, not to the factory default.  
**Can only be programmed remotely via the GPIB.  
***Continuous transient mode is the only mode available at the front panel. Pulsed, toggled, and continuous modes can  
all be programmed remotely via the GPIB.  
7
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Table 60502-4. Calibration Information  
Ranges and  
Variables  
Variables  
Value  
60  
0.0282  
6
0.0197  
N/A  
60  
Power Supply  
Settings  
Current  
Shunt  
100 A  
Calibration Points  
High Current Range  
High Current Offset  
Low Current Range  
Low Current Offset  
Hi_curr_rng  
Hi_curr_offset  
Lo_curr_rng  
Lo_curr_offset  
N/A  
5 V/61 A  
5 V/10 A  
61 V/5 A  
15 A  
N/A  
Voltage Range  
Voltage Hi point  
Volt_hipt  
Voltage Lo point  
Volt_lopt  
2.7  
Low Resistance Range  
Low Resistance Hi point  
Low Resistance Lo point  
Middle Resistance Range  
Middle Resistance Hi point  
Middle Resistance Lo point  
High Resistance Range  
High Resistance Hi point  
High Resistance Lo point  
Lo_res_rng  
Lo_res_hipt  
Lo_res_lopt  
Mid_res_rng  
Mid_res_hipt  
Mid_res_lopt  
Hi_res_rng  
Hi_res_hipt  
Hi_res_lopt  
1
1
0.04  
10  
30  
15 V/10.9 A  
10.9 V/15 A  
60 V/6 A  
15 A  
15 A  
15 A  
1
1001  
120  
12  
8
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Technical data is subject to change.  
9
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