Allen-Bradley 2094-AL09, Installation Instructions Manual

Page: 41 / 60

Rockwell Automation Publication 2094-IN005H-EN-P - October 2012
Line Interface Module 41
2.
Allow five minutes for the 24V power supplies to completely discharge
before proceeding.
3.
Open the I/O (IOL) connector access door.
4.
Loosen the two (captive) connector screws.
5.
Remove the I/O connector plug by pulling it straight out from the mating
connector inside the line interface module.
6.
Locate the two bail fasteners (lower front cover) and rotate them
one-quarter turn counterclockwise.
7.
Starting at the bottom, pull the front cover away from the line interface
module, then up and over the module to completely remove the cover.
The cover pivots from two latches at the top of the module.
8.
Unplug the CB2/CB3 wiring harness (P4) from the J4 (default)
connection.
ATTENTION: This product contains stored energy devices. To avoid hazard of
electrical shock, verify that all voltage on capacitors has been discharged
before attempting to service, repair, or remove this unit. You should attempt
the procedures in this document only if you are qualified to do so and are
familiar with solid-state control equipment and the safety procedures in
publication NFPA 70E.
IO_PWR1
IO_COM1
IO_PWR1
IO_COM1
IO_PWR1
IO_COM1
COIL_E1
COIL_E2
ALRM_M
SHIELD
ALRM_B
ALRM_COM
CONSTAT_11
CONSTAT_12
CONSTAT_21
CONSTAT_22
CONSTAT_31
CONSTAT_32
CONSTAT_53
CONSTAT_54
SHIELD 1
3
5
7
9
11
13
15
17
19
21
2
4
6
8
10
12
14
16
18
20
IOL
21-pin I/O Connector Plug
Line Interface Module
(catalog number 2094-AL
xx S
is shown)
I/O (IOL) Connector
Access Door
(door open)
Connector Screw
Connector Screw
Bail
Fasteners
Closed
Open
IMPORTANT
It is not necessary to remove any of the wires attached to the I/O connector.