Siemens SIMATIC TDC User Manual

Rack
3.2 Rack UR5213 (6DD1682-0CH2)
SIMATIC TDC hardware
62 System Manual, 08/2017, A5E01114865-AL
Signaling relay
Three 230 V signaling relays with floating potential facilitate external evaluation of the rack's
system states.
Table 3- 3 Signaling relay
Signaling relay
Terminal X1
Contact in switched off
state:
Contact in error-free op-
eration
LED in error-free operation
SYSFAIL
1,2
Closed
Closed
Off
POWER 3,4 Open Closed green is on
FAN FAIL
5,6
Open
Closed
Off
Aotewell Ltd
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Industry Automation
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Siemens SIMATIC TDC Specifications

General

Brand	Siemens
Model	SIMATIC TDC
Category	Control Unit
Language	English