Rockwell Automation 20-750-ATEX PowerFlex 750-Series ATEX Option Module User Manual
Page 19
Rockwell Automation Publication 750-UM003B-EN-P - July 2013
19
Installation and Wiring
Chapter 2
ATEX Option Module and 11-Series I/O Option Module without a
Safety Option Module
Follow these steps to configure the ATEX option module with 11-Series I/O
option module for use without 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 ON.
2. Set switch S1-2 for Thermostat mode or PTC mode.
3. Install the safety enable jumper on the main control board.
Switch
Setting
Description
S1-1
ON
Configures the ATEX option module for use without 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 installed.
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