Rockwell Automation Publication 750-IN100B-EN-P - July 2017 173
I/O Wiring Chapter 6
Dual Incremental Encoder
Option Module
See Important statement on this page.
Table 60 - Dual Incremental Encoder Jumper Settings
Jumper Enabled Position Storage Position
P3 - Safety Jumper
Enables use with speed
monitoring safety option
(20-750-S1).
P4 - 12V Jumper
Enables use with 12 volt
supply in “Enabled”
position and 5 volt supply
in “Storage” position.
Table 61 - Dual Incremental Encoder Specifications
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
IMPORTANT When used with the Safe Speed Monitor option, both modules must be
installed on the same backplane using ports 4, 5, or 6.
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