SICK TR4 Direct User Manual

Display of the Status/Diag
LED (4 Hz)
Meaning
Ö 3 × r
ed, 3 × green
The actuator was moved out of sensing range (RFID signal inter‐
r
upted).
Ö 3 × r
ed, 4 × green
Eight actuators have been taught in. No other teach-in process
is pos
sible.
Ö 3 × r
ed, 5 × green
The device has been interlocked. No other teach-in process is
pos
sible.
NOTE
T
he fault indicators are repeated until the device is reset.
b
To reset the device, interrupt the voltage supply to the device for at least 3 sec‐
onds.
6.3 Inspection instructions
6.3.1 Checks before initial commissioning
Check the protective device as described below and in accordance with the applicable
s
tandards and regulations.
NOTE
The tests before initial commissioning described in the following are used to detect the
influence on the protection system by unusual ambient influences.
These checks must therefore always be performed.
b
Chec
k the effectiveness of the protective device of the machine in all operating
modes in which the machine can be set.
b
Ensure that all operators have been instructed by the qualified safety personnel
before they start working on a machine protected by a safety switch. Instruction is
the responsibility of the machine user.
The tests must be documented accordingly.
6.3.2 Regular inspection of the protective device by qualified safety personnel
b
Chec
k the plant following the inspection intervals specified in the national rules
and regulations. If any changes are made to the machine or someone tampers
with the protective device after initial commissioning, this will ensure that any
such issues are detected.
b
If substantial alterations have been made to the machine or protective device, or if
safety switches have been changed or repaired, check the plant again.
6.3.3 Regular testing of the effectiveness of the protective device
Check if the safety switch is functioning correctly at regular intervals and after each
er
ror. You can find possible time intervals in ISO 14119.
How to check the effectiveness of the mounted safety switch
b
Check whether the machine always switches off when a protective door is opened.
b
Check that the switch cables are operating properly.
b
Check the protective device for signs of misuse or manipulation.
b
Check the switch housing for damage.
COMMISSIONING 6
8022968/15V1/2019-11-22 | SICK O P E R A T I N G I N S T R U C T I O N S | TR4 Direct Cylindrical
19
Subject to change without notice

SICK TR4 Direct Specifications

General

Brand	SICK
Model	TR4 Direct
Category	Switch
Language	English