Rockwell Automation 1792-IB16LP INSTL INSTR 16 INPUT MODULE - Manual (Page 7)

7 ArmorBlock-LP 16 Input Module
Publication 1792-5.6 – September 1997
Troubleshoot with the Indicators
The ArmorBlock I/O module has the following indicators:
•
Network status indicator (NS)
•
Module status indicator (MS)
•
Individual I/O status indicators (A, B)
•
Power Status indicators
– module power
– sensor power
– sensor short circuit
30197–M
NS = Network Status Indicator
OVL = Sensor Short
Circuit Indicator
U
S
= Sensor Power
Supply Status Indicator
U
L
= Module Power Supply
Status Indicator
A and B = Input I/O
Status Indicators
MS = Module Status
Indicator
A B A B A B A B
A B A B A B A B
1
2
34 5
6
7
8
Note: This module contains a circuit to protect the DeviceNet power supply from short circuits in
an attached sensor or sensor cable. If you connect a sensor while the module is powered,
the surge current produced by the sensor can cause the module to fault. This operation is
normal.