Rockwell Automation Publication 750-IN001O-EN-P - October 2014 273
I/O Wiring Chapter 5
Single Incremental Encoder
Option Module
Table 85 - Single Incremental Encoder Specifications
Table 86 - TB1 Terminal Designations
Consideration Description
Input Differential or Single Ended operation, Constant Current Sink operation ~10 mA,
5V DC minimum to 15V DC maximum sourcing 10 mA
minimum high state voltage of 3.5V DC
maximum low state voltage of 0.4V DC
Maximum Cable Length 30 m (100 ft) @ 5V, 183 m (600 ft) @ 12V
Maximum Input Frequency 250 kHz
Terminal Name Description
Sd Shield Terminating point for wire shields when an EMC
plate or conduit box is not installed.
12 +12 Volt DC Power Power supply for encoder 250 mA.
Com Common +12V and +5V Common
5 +5 Volt DC Power Power supply for encoder 250 mA.
A Encoder A Single channel or quadrature A input.
A- Encoder A (NOT)
B Encoder B Quadrature B input.
B- Encoder B (NOT)
Z Encoder Z Pulse or marker input.
Z- Encoder Z (NOT)
+24 +24 Volt Power source for homing input.
24C Common
HmC Homing Input Common Captures the AB edge counter.
Hm Homing Input
Sd
Com
A
B
Z
+24
HmC
12
5
A-
B-
Z-
24C
Hm
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