10
For unit with cULus approval and the scope of validity cULus: The device shall be
supplied from an isolating transformer having a secondary Listed fuse rated as
noted in the following table�
Overcurrent protection
Control-circuit wire size
Maximum protective device rating
AWG
(mm
2
)
Ampere
26
(0�13)
1
24
(0�20)
2
22
(0�32)
3
20
(0�52)
5
18
(0�82)
7
16
(1�3)
10
8 Set-up
8.1 Activate adjustment mode
For easy and reliable installation the sensor can be put in the adjustment mode�
35
0
> 5 s
mm
Signal
Power
This is done by placing a metallic
object directly in front of the sensing
face of the fail-safe sensor (close
range)�
After approx� 5 s the yellow signal
LED starts to flash: the adjustment
mode is active�
As long as this mode is active, the
output stage remains in the safe
state ("0")�
Close range
Enable zone