Rockwell Automation 842E-CM EtherNet/IP Encoders Installation Instructions - Manual (Page 4)

842E-IN002A-EN-P
10000481742 Ver 02 — June 2013
Copyright 2013 Rockwell Automation, Inc. All rights reserved. Printed in USA.
Power, Control and Information Solutions Headquarters
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www.rockwel lautomation.com
Power Supply Pinout
Applying power to pins 2 and 4 will damage the encoder.
Pin Signal Name Color Code Pair Assignment
1 Vs Brown
Supply voltage
10…32V DC
2 — White Do not use 
3 GND Blue 0V DC (ground)
4 — Black Do not use 
4
3
1
2
Do not use
ATTENTION
Pinout & Color Code
EtherNet/IP Pinout
LED Status
Pin Signal Name Color Code Pair Assignment
1 TXD+ White Orange
Pair 1
3 TXD- Orange
2 RXD+ White Green
Pair 2
4 RXD- Green
MOD LED Description XS (AXIS) LED Description
OFF No power OFF No power
Green Running Green Running
Green flashing Standby Green flashing Standby
Red Major fault Red flashing Minor fault or Firmware updating
Red flashing Minor fault Amber Major fault
Green/red flashing Self-test Amber flashing Self-test at power-on
NET LED Description LINK 1 and LINK 2 LEDs Description
OFF No power/IP connection OFF No power/IP address
Green Connected Green LINK
Green flashing No connection Green flashing Port activity
Red Major fault Amber Port disabled
Red flashing Minor fault / Duplicate IP Amber flashing Collision
3
2 1
4
Do not use (1)
ATTENTION
NET
MOD
LINK 1
LINK 2
XS
x1
x10
x100