Siemens Simatic S7-400 - Manual (Page 376)

Interface Modules
6-14
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
6.4 The Interface Modules
IM 460-3; (6ES7460-3AA00-0AB0,
6ES7460-3AA01-0AB0) and IM 461-3;
(6ES7461-3AA00-0AA0, 6ES7461-3AA01-0AA0)
Position of the Operator Controls and Indicators of the IM 460-3 and IM 461-3
LEDs
EXTF
C1
C2 INTF
EXTF
DIP switch
External backup voltage
Connector X1:
Interface C2
Interface C1
Connector X2:
IN
OUT
IM 460-3 IM 461-3
Under cover
LEDs
INTF
EXTF
DIP switch
6ES7461-3AA00-0AA0 6ES7461-3AA01-0AA0
IN
OUT
Figure 6-4 Position of the Operator Controls and Indicators of the IM 460-3 and IM 461-3