Single incremental encoder option module – Rockwell Automation 21G PowerFlex 750-Series AC Drives User Manual
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Rockwell Automation Publication 750-IN001N-EN-P - April 2014
PowerFlex 750-Series AC Drives
Single Incremental Encoder Option Module
Table 85 - Single Incremental Encoder Specifications
Table 86 - TB1 Terminal Designations
20-750-ENC-1
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