Murphy Iguard Sae J1939 User Manual

AL-02058B  
Revised 11-05  
Catalog Section 75  
DIGITAL GENERATOR SET CONTROLLER  
iGUARD Gen-Set Controller  
SAE J1939 Compatible. Reads this  
common SAE protocol used on newer  
electronic engines.  
Universal. This controller fits any  
standard gen-set application. Simplify  
your life with only one controller to learn  
and stock.  
Designed to meet NFPA110/NFPA 99  
Unmatched Price. No other controller  
has these features at a comparable price.  
iGUARD Standard Components  
Connection:  
Description  
600V rated multi-wire quick connect for DC and  
AC connections, suitable for wire harnessing.  
The iGUARD™ is one controller for all your  
engine-driven generator set applications. It is  
designed from the ground up to work with  
today’s electronic engines, accepting the J1939  
protocol. The iGUARD™ also works with non-  
electronic engines.  
24 - Digital inputs  
8 - Analog inputs (one dedicated for  
Power supply:  
battery)  
Operates from any DC supply for 8-35VDC  
continuous. Brownout (5V) ridethrough is 5  
seconds and a total blackout (0V) ridethrough of  
100 milliseconds.  
Inputs for up to three phases and neutral  
of AC voltage  
Inputs for 3 CT’s for current monitoring  
1 - Magnetic pickup input  
8 - 20A Form “C” relays  
1 - RS232 port  
1 - RS485 port  
1 - RS232/RS485 port  
1 - J1939 port  
Designed to meet NFPA-110 and NFPA-99  
requirements the iGUARD™ has ample inputs  
and outputs.  
Vibration/Survivability:  
3g, 3 axis, frequency swept 10-1000 Hz.  
The new iGUARD™ controller can be used for  
all gen-set applications: single-phase or three-  
phase, and 12 or 24 V.  
Operating and Storage Temperature Range:  
–40/+185°F (–40/+85°C).  
Engine speed can be read from a magnetic  
pickup,AC generator frequency, or J-1939  
CANbus.  
LCD Operating Range:  
–4/+176°F (–20/+70°C).  
1 - 64 x 128 pixel full graphic LCD with  
I/O’s:  
backlight  
Programming Updates in the Field  
Because the microprocessor is flash-based, the  
controller can be easily re-programmed or  
updated using a PC in the field.  
Expansion relay board available for additional  
I/O.  
1 - 12 position keypad  
Mounts in Several Ways  
• Standard set-top  
Shipping Dimensions:  
10 x 9 x 6 in. (254 x 229 x 152 mm)  
• Alternator mounting  
Applications  
• Packagers and OEM  
• Rental Companies  
• Prime Power  
Shipping Weights:  
• In existing enclosures  
2 lb. (910 g.).  
Performance Specs  
NFPA-110, NFPA-99  
SAE Load Dump Test  
Specifications  
Mounting (Cut-out) Dimensions:  
7.05 x 5.25 x 2.76 in. (179 x 133 x 70 mm)  
• Hospitals  
• Ground Support Equipment  
• Agriculture  
Mounting Screws:  
Approvals  
• Marine  
4, #6-32 screws and nitrile rubber o-ring are  
supplied to meet NEMA4 specs.  
UL/CUL Recognized component as  
R
C
US  
stand alone controller.  
LISTED  
Case Material:  
UL/CUL Listed when sold in  
conjunction with Murphy  
supplied harness.  
Black Polycarbonate, textured finish, UV stabilized.  
®
C
US  
AL-02058B page 1 of 2  

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