
Operating Instructions Safety Switch CES-AP-C.2-CH
15
Setup
LED indicators
LED Color State Significance
STATE
green
illumi-
nated
Normal operation: Door closed
flashing
- Door open
- Actuator in boundary area
(refer to the status table for further signal functions)
DIA
red
illumi-
nated
- Internal electronics fault
- Fault at the inputs/outputs
Initial setup
1. Apply operating voltage to the safety switch.
¨ The green LED flashes quickly. A self-test is performed during this time. Af-
ter this, the LED flashes cyclically one time and signals that it is in standby
state.
2. Move actuator to the read head (observe distance < S
ao
).
¨ The green LED illuminates continuously and indicates the detection of the
actuator.
If the green LED is flashing at approx. 2 Hz, the actuator is in the boundary area.
In this case the safety guard must be re-adjusted such that the actuator is com-
pletely in the read area.
Functional check
After installation and any fault, the safety function must be fully checked. Proceed
as follows:
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.
1. Switch on operating voltage.
Ì The STATE LED then flashes at regular intervals.
2. Close all safety guards.
Ì The machine must not start automatically.
Ì The green STATE LED illuminates continuously.
3. Enable operation in the control system.
4. Open the safety guard.
Ì The machine must switch off and it must not be possible to start it as long as
the safety guard is open.
Ì The green LED STATE flashes at regular intervals.
Repeat steps 2-4 for each safety guard.
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