Operating Instructions
TR4
Tab. 1: LED displays of
the TR4
8014465/2012-05-07
Subject to change without notice
Product description
3.3
LED indicators
The Status/Diag LED signals the operational status of the TR4.
Display
Meaning
Off
No supply voltage
3 ×
Green,
Power-up sequence
1 ×
Red
Green
Actuator inside the response range,
safety outputs active,
application diagnostic output Aux inactive
Red
Actuator outside the response range,
safety outputs inactive,
application diagnostic output Aux active
Red or
Error. See Tab. 4 "Error displays of the Status/Diag
Green
LED" in section 8.3 on page 161.
The LED is illuminated constantly.
The LED is flashing.
The LED is off.
For further LED displays see Tab. 3 "Error displays of the Status/Diag
LED on the TR4 Unique Coded during teach-in" on page 155 and
Tab. 4 "Error displays of the Status/Diag LED" on page 161.
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Chapter 3
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