Safety Features; Led Indicators; Tab. 1: Led Displays Of The Tr4 - SICK TR4 Mode D'emploi

Operating Instructions
TR4
Tab. 1: LED displays of
the TR4
The LED is
illuminated
constantly.
The LED is flashing.
The LED is off.
8014465/YIJ2/2015-03-02
Subject to change without notice
Product description
3.2

Safety features

The TR4 safety switch has the following safety features:
SIL3 according to IEC 61 508
category 4 according to EN ISO 13 849K1
PL e according to EN ISO 13 849K1
type 4 according to EN ISO 14 119
– TR4 Multicoded: low level coded actuator
– TR4 Unique Coded: high level coded actuator
Operational safety
The TR4 safety switch has the following internal protective functions:
short-circuit protection on all outputs
overload protection on all outputs
reverse polarity protection of the operating voltage
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. 5 "Error displays of the Status/Diag
Green LED" in section 8.3 on page 81.
For further LED displays see Tab. 4 "Error displays of the Status/Diag
LED on the TR4 Unique Coded during teach-in" on page 75 and Tab. 5
"Error displays of the Status/Diag LED" on page 81.
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
en
Chapter 3
59