18
19
ELMON
relay
32-242
Safety Relay
English
Figure 1: Connection of multiple sensors; in this example: safety contact edge
8.4 Connecting control circuits
The control circuit to be monitored for Channel 1 is to be connected to the terminal pair
4
,
5
and the corre-
sponding control circuit for Channel 2 is to be connected to the terminal pair
6
,
7
.
The control circuits must be protected by a corresponding circuit breaker depending on the rated current or
the rated current in the control circuits must be limited to the maximum value by other means.
The relay contact may only switch extra low voltages (30V). The switching of low voltages (230V)
is not permissible .
9. Commissioning and performance testing
After all the electrical contacts have been connected and the supply voltage switched on, the plant / machinery
must be tested for proper functioning.
Following successful commissioning the safety outputs
4
,
5
and
6
,
7
are activated (relay contacts “closed”).
Activating the annunciator results in opening the relay contacts.
The safety system must be tested by qualified staff at appropriate intervals. The testing must be comprehen
-
sibly documented at all times. The requirements of the plant / machinery manufacturer must be observed
and adhered to .
10. Error diagnosis
If the wiring and connecting up of the supply voltage is correct, only the green LED Power should light up. If the
red LED lights up there is a fault in the system, which can be isolated with the aid of the LED.
* If the fault is not in the wiring, the functioning of the electronics may be checked by fitting an 8.2 kΩ
resistance to the annunciator input on the relay. If the electronics then work properly, the annunciator
must be tested with an ohmmeter. For this the connection between the annunciator and the relay must
be disconnected and connected to an ohmmeter. With an inactivated annunciator the resistance should
be 8.2 kΩ ± 500 Ω. If the annunciator is activated, the resistance should not exceed 500 Ω.
11. Decommissioning and disposal
Products manufactured by ASO are intended exclusively for commercial use (B2B). At the end of their service
the products should be disposed of in accordance with the local, regional and national regulations. ASO will
be pleased to collect the products for disposal in accordance with the regulations.
LED
Error
Error correction
green LED
Power
does not light up
Supply voltage absent,
too low
or wrongly connected.
Test connections and supply voltage:
- 24 V AC/DC to terminals
8 9
,
tolerance range: ±10%
green LED
Power
flashes cyclically (pulse)
Internal fault is shown by the
number of pulses .
See -> Signal displays
red LED
Channel 1
/
Channel 2
lights up
The relevant sensor
is recognised as activated.
- Check connections of the relevant sensors
(pinched wiring, brittle wiring etc.)
- Check sensor *
red LED
Channel 1
/
Channel 2
flashes rapidly
Sensor circuit broken,
sensor not connected,
connected incorrectly or faulty
- Check connections of the relevant sensors
(pinched wiring, brittle wiring etc.)
- Check sensor *
