AL-02058B
Revised 11-05
Catalog Section 75
DIGITAL GENERATOR SET CONTROLLER
™
iGUARD Gen-Set Controller
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SAE J1939 Compatible. Reads this
common SAE protocol used on newer
electronic engines.
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Universal. This controller fits any
standard gen-set application. Simplify
your life with only one controller to learn
and stock.
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Designed to meet NFPA110/NFPA 99
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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.
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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.
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Inputs for up to three phases and neutral
of AC voltage
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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.
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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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