276 Rockwell Automation Publication 750-IN001O-EN-P - October 2014
Chapter 5 I/O Wiring
Table 90 - Dual Incremental Encoder Terminal Designations
Wiring Examples - Single Incremental Encoder Option Module Connections
Figure 134 - Homing Signal – External Power
Figure 135 - Differential Dual Channel with Z Channel
Terminal Name Description
ES +12 or +5 Volt DC Power Power supply for Encoder 0, 250 mA.
EC Common +12V and +5V Encoder 0, common
0A Encoder 0: A Single channel or quadrature A input.
0A- Encoder 0: A (NOT)
0B Encoder 0: B Quadrature B input.
0B- Encoder 0: B (NOT)
0Z Encoder 0: Z Pulse or marker input.
0Z- Encoder 0: Z (NOT)
Sd Encoder Shield Terminating point for wire shields when an EMC
plate or conduit box is not installed.
Sd Encoder Shield
ES +12 or +5 Volt DC Power Power supply for Encoder 1, 250 mA.
EC Common +12V and +5V Encoder 1, common
1A Encoder 1: A Single channel or quadrature A input.
1A- Encoder 1: A (NOT)
1B Encoder 1: B Quadrature B input.
1B- Encoder 1: B (NOT)
1Z Encoder 1: Z Pulse or marker input.
1Z- Encoder 1: Z (NOT)
24 +24 Volt Power source for homing input.
24C Common
Hm Homing Input Captures the AB edge counter.
HmC Homing Input Common
EC
0A-
0B-
0Z-
Sd
EC
1A-
1B-
1Z-
24C
HmC
ES
0A
0B
0Z
Sd
ES
1A
1B
1Z
24
Hm
Home Switch
Common+24V
External Power Supply
Single Incremental Encoder
Option Module TB
Encoder TB
Shield
Sh
12V
Com
5V
A
A-
B
Z
Z-
+24V
24VC
B-
HmC
Hm
Enc +12V
Enc Ret
Enc +5V
Enc A
/Enc A
Enc B
/Enc B
Enc Z
/Enc Z
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