Siemens Simatic M7-400 Reference Manual page 380

Interface Modules
6.5 The Interface Modules
IM 460-4; (6ES7460-4AA01-0AB0) and
IM 461-4; (6ES7461-4AA01-0AA0)
Position of the Operator Controls and Indicators of the IM 460-4 and IM 461-4
IM 460-4
EXTF
C1
C2
Interface C1
Interface C2
Figure 6-5 Position of the Operator Controls and Indicators of the IM 460-4 and IM 461-4
6-18
6ES7461-4AA01-0AA0
IM 461-4
LEDs
INTF
EXTF
DIP switch
Under cover
Connector X1:
IN
Connector X2:
OUT
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07