TE Connectivity SRSE-2NO, Installation, Use And Maintenance Manual

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SRSE-2NO SAFETY RELAY MODULE
INDUSTRIAL/SRSE-2NO SAFETY RELAY MODULE 9
STATUS INDICATORS
NORMAL OPERATION
LED COLOR STATUS/COLOR CONDITION
IN1 Green
ON Input contact1 CLOSED
OFF Input contact1 OPEN
IN2/
FAIL
Red
Green
RED Fault detected
GREEN Input contact2 CLOSED
OFF Input contact2 OPEN
GUARD/
BREAK
Green
Red
Yellow
RED Output relays opened
RED blinking
The number of blinks show the type
of FAIL (only with red FAIL LED ON)
GREEN Output relays closed
YELLOW
Input ON, Output OFF
and waiting for Restart
IN1/IN2 Green
Blinking alternately Wrong simultaneity check detected
Table 3

The max Simultaneity check value will be 1 sec.

Please refer to the “SIMULTANEITY CHECK” section for a detailed explanation of this check.

Please refer to the
"FAULT DIAGNOSIS"
section for a detailed explanation of the detected fault.
FAULT DIAGNOSIS
LED
MEANING
IN1 IN2/FAIL GUARD/BREAK (RED LED pulses)
OFF RED
(2 pulses)

Possible fault of
Microcontroller board
OFF RED
(3 pulses)

Internal relays fault
OFF RED
(4 pulses)
 K1K2 external relays
fault
OFF RED
(5 pulses)

User configuration
failure
OFF RED
(6 pulses)

User configuration
changed without
system restart
OFF RED
(7 pulses)

Possible overload or

SYSTEM STATUS
connection error
Table 4