ABB vital 1 - 5 Operation; LED indication

2TLC172156M0201, rev. C 16 www.abb.com/jokabsafety
2016-07-04
5 Operation
LED indication
LED
Indication
Description
On:
ON
Supply voltage OK
Flash
Supply voltage below 18 VDC or short circuit
OFF
No supply voltage
T:
ON
Dynamic signal output – OK
OFF
No dynamic signal output
R:
ON
Dynamic signal input – OK
Flash
Defective dynamic signal input to unit (asymmetric pulses)
OFF
No dynamic signal input
/ 1:
ON
Relay output no 1 activated
OFF
Relay output no 1 not activated
/ 2:
ON
Relay output no 2 activated
OFF
Relay output no 2 not activated