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Equipment Description
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01.4IB.48070A
4) IRIM Wiring
The IRIM features a 8 position Phoenix Contact Combicon connector for power, output relay,
and RS-485 interfaces. It also features a RJ-45 connector used with a "straight-through" cable to
connect to the EIM.
Figure 10 IRIM Input Connections
1
2
3 4 5 6 7 8
b
a
a. RJ-45 Connection to EIM
b. Main Inputs
Table E IRIM Wiring
Pin Description Function
1 GND ISO
Isolated RS-485
Interface
2 A (-)
3 B (+)
4 COM
Normally Open
Output Relay
5 NO
6 Chassis Ground
IRIM Input Power,
60-240VDC/AC
7 L
8 N
f. externAl IndIcAtIon Module (eIM) operAtIon
The EIM provides a basic "traffic light" style indication of the circuit breaker and CBM health using the
illuminated breaker status indicator (Figure 11, a). The EIM is typically mounted on the switchgear
door in a location where the user con easily observe it. The EIM also features a mini-USB port
(Figure 11, a) for direct communication between the CBM and a computer with Powell's BreakerView
software installed. The small communication LED provides indication of when communication
between the computer and the CBM is occurring.
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