Siemens Simatic S7-400 - Page 334

Position of the operator controls and indicators of the IM 460-1 and IM 461-1
IM 461-1
EXTF
C1
C2
IM 460-1
INTF
EXTF
INTF
EXTF
IN
EXTF
X
DC 5 V
DC 5 V
X1
X1
X2
X
IM 460-1
460-XXXXX-XXXX 461-XXXXX-XXXX
LEDs
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3RUW&
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Figure 6-3 Position of the operator controls and indicators of the IM 460-1 and IM 461-1
Operator controls and indicators on the send IM
Table 6-8 Operator controls and indicators on the send IM
LEDs Meaning
EXTF LED (red) Lights up in the event of an external fault. Line 1 or line 2 is faulty (broken cable)
C1 LED (green) Line 1 (via front connector X1, connection 1) is correct.
C1 LED (flashing
green)
A module has not yet completed the initialization process.
Interface modules
6.3 Interface modules IM 460-1 (6ES7460-1BA01-0AB0) and IM 461-1 (6ES7461-1BA01-0AA0)
S7-400 Automation System Module Data
334 Reference Manual, Ausgabe 11/2016, A5E00850736-08