EUCHNER CETx-AR-xxx-CH-xxx (Multicode) - Manual (Page 36)

Operating Instructions Safety Switch CET.-AR-...-CH-...
36
Functional check
Warning!
Danger of fatal injury as a result of faults in installation and functional check.
Ì Before carrying out the functional check, make sure that there are no per-
sons in the danger area.
Ì Observe the valid accident prevention regulations.
Mechanical function test
The actuator must slide easily into the recess on the actuating head. Close the
safety guard several times to check the function.
Electrical function test
After installation and any fault, the safety function must be fully checked. Proceed
as follows:
1. Switch on operating voltage.
¨ The machine must not start automatically.
¨ The safety switch carries out a self-test. The green LED STATE flashes for 8 s
with 10 Hz. The green LED STATE then flashes at regular intervals.
2. Close all safety guards. Guard locking by solenoid force: Activate guard lock-
ing.
¨ The machine must not start automatically. It must not be possible to open the
safety guard.
¨ The green STATE LED illuminates continuously.
3. Enable operation in the control system.
¨ It must not be possible to deactivate the guard locking as long as operation
is enabled.
4. Disable operation in the control system and deactivate guard locking.
¨ The safety guard must remain locked until there is no longer any risk of injury.
¨ It must not be possible to start the machine as long as the guard locking is
deactivated.
Repeat steps 2-4 for each safety guard.