Rockwell Automation 20-750-ATEX PowerFlex 750-Series ATEX Option Module User Manual
Page 20
20
Rockwell Automation Publication 750-UM003B-EN-P - July 2013
Chapter 2
Installation and Wiring
ATEX Option Module and 11-Series I/O Option Module with a Safety
Option Module
Follow these steps to configure the ATEX option module with 11-Series I/O
option module for use with a safe torque-off (catalog number 20-750-S) or safe
speed monitor (catalog number 20-750-S1) option module.
1. Set switch S1-1 to OFF.
2. Set switch S1-2 for Thermostat mode or PTC mode.
3. Remove the safety enable jumper on the main control board.
Configuration of the safety enable jumper on the main control board is a
requirement of each safety option module. For more information on these
requirements, refer to the specific option module user manual:
• PowerFlex 750-Series Safe Torque Off User Manual,
publicatio
• Safe Speed Monitor Option Module for PowerFlex 750-Series AC Drives
Safety Reference Manual, publicat
Switch
Setting
Description
S1-1
OFF
Configures the ATEX option module for use with an additional safety
option module.
S1-2
OFF
Configures the ATEX option module for Thermostat mode,
over-temperature monitoring.
Can be used with PTC-type thermal sensors if short-circuit monitoring is
not needed.
ON
Configures the ATEX option module for PTC mode.
Provides both over-temperature and short-circuit monitoring.
S1-1
S1-2
S1-2
PowerFlex 753
PowerFlex 755
IMPORTANT
The default setting of the safety
enable jumper = installed.
For this step, verify that the safety
enable jumper is removed.