Rockwell Automation 21G PowerFlex 750-Series AC Drives User Manual
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248
Rockwell Automation Publication 750-IN001N-EN-P - April 2014
PowerFlex 750-Series AC Drives
Important Safe Speed Monitor Option Module Installation Notes
Cabling
•
Safety input wiring must be protected against external damage by cable
ducting, conduit, armored cable or other means.
•
Shielded cable is required.
•
When installed in a Frame 8 or larger drive, an EMC Core Kit, catalog
number 20-750-EMCSSM1-F8, is required.
Feedback Devices
The Safe Speed Monitor option must be used with one of the following feedback
devices.
•
Dual Incremental Encoder module, catalog number 20-750-DENC-1
•
Universal Feedback module catalog number 20-750-UFB-1
Port Assignment
•
The Safe Speed Monitor option and the feedback device must be installed
on the same backplane using ports 4, 5, or 6.
•
When used in an Integrated Motion application, the Safe Speed Monitor
option must be installed in port 6.
•
Only one safety option module can be installed at a time. Multiple safety
options or duplicate safety option installations are not supported.
Jumper Settings
•
Ensure the hardware enable jumper (ENABLE) on the main control board
is installed. Refer to
for location. If not installed, the drive will
fault when powered up.
•
Ensure the safety enable jumper (SAFETY) on the main control board is
removed (Frames 1…7 only). Refer to
for location.
Parameter Settings
There are required parameter settings when used with the Universal Feedback
module.
•
Set Safe Speed Monitor parameter P28 [Fbk 1 Type] to option 0 “Sine/
Cosine.”
•
Set Universal Feedback parameter P6 [FB0 Device Sel] and/or P36 [FB1
Device Sel] to a Sine/Cosine type device.
20-750-S1
20-750-DENC-1