Rockwell Automation 20-750-ATEX PowerFlex 750-Series ATEX Option Module - Manual (Page 18)

18 Rockwell Automation Publication 750-UM003B-EN-P - July 2013
Chapter 2 Installation and Wiring
Configure the Hardware The ATEX option module can be used in two different configurations as
described here:
• ATEX option module and 11-Series I/O option module used without an
additional safety option module
• ATEX option module and 11-Series I/O option module used with an
additional safety option module, such as a safe torque-off (catalog number
20-750-S) or safe speed monitor (catalog number 20-750-S1) option
module
S1 Switch Location
See Figure 3 for the location of the S1switches on the ATEX option module:
• S1-1 is the safety configuration switch.
• S1-2 is the thermal sensor switch.
Figure 3 - ATEX Option Module S1 Switch Location
Safety Enable Jumper Locations
See Figure 4 for the location of the safety enable jumper on the main control
board of the PowerFlex 753 and 755 drives.
Figure 4 - PowerFlex 753 and 755 Safety Enable Jumper Locations on the Main Control Board
ATTENTION: Hazard of electric shock exists. Do not remove the insulation
wrapper from the ATEX option module. Removing the insulation wrapper can
cause an electric shock hazard, and can cause damage to the drive.
IMPORTANT Frame 8 drives and larger do not have a safety enable jumper.
S1-1 S1-2
In this diagram, the ATEX option module is
shown without the insulation wrapper.
Do not remove the insulation wrapper
from the ATEX option module.
PowerFlex 753 PowerFlex 755