Manual

258 Rockwell Automation Publication 750-IN001N-EN-P - April 2014

PowerFlex 750-Series AC Drives

Dual Incremental Encoder Option Module

Table 88 - Dual Incremental Encoder Jumper Settings

Table 89 - Dual Incremental Encoder Specifications

20-750-DENC-1

20-750-S1

20-750-DENC-1

See Important statement on this page.

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.

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.