Rockwell Automation 20-750-ATEX PowerFlex 750-Series ATEX Option Module - Manual (Page 26)

26 Rockwell Automation Publication 750-UM003B-EN-P - July 2013
Chapter 2 Installation and Wiring
Safe Speed Monitor Option
Wiring The ATEX option module with 11-Series I/O option module can be used with
the safe speed monitor (catalog number 20-750-S1) option module. For
information about the safe speed monitor option module, see the Safe Speed
Monitor Option Module for PowerFlex 750-Series AC Drives Safety Reference
Manual, publication
750-RM001 .
Connecting the ATEX Option with a Safe Speed Monitor Option
Figure 6 describes the wiring of the 11-Series I/O option module with the safe
speed monitor option module.
Figure 6 - Connecting the ATEX Option with a Safe Speed Monitor Option
WARNING: Risk of Explosion.
If any changes are made to an installed system, the operation of that system must
be verified. These changes include installation, removal, or modification of ATEX or
functional safety options. Failure to verify the operation of a completed installation
can result in a safety system that does not function correctly. See
Verify Operation
on page 29 .
IMPORTANT When a safety option is installed with the ATEX option, you must wire the EnC
and EnNO dry contacts.
–10V
10VC
+10V
Sh
Ao0–
Ao0+
Sh
Ai0–
Ai0+
Sh
Di0
Di0P
Di1
Di1P
Di2
Di2P
Ip
Ic
EnC
EnNO
S34
52
51
78
68
44
34
X42
X32
S42
S32
S62
S52
S82
S72
S22
S12
S12
S12
S12 (EnNO)
S12 (EnNO)
A2
A1
S22
S12
EnNO
EnC SS_IN_Ch0
11-Series I/O Option Module
Reset Signal
Safety Configuration
Switch
ATEX+ ATEX
–
Relay Driver/
Latch Circuit
‘EnNO’ becomes ‘S12’
Wire the safe speed monitor module as usual.
SS_IN_Ch1
Safe Speed Monitor Option Module
For information on setting the safety configuration switch, see ATEX Option
Module and 11-Series I/O Option Module with a Safety Option Module on
11-Series I/O
Option Module, TB1 Safe Speed Monitor
Option Module, TB2