ISC/Oldham OLC20 Series - Page 8

8
1
2
3
A B C D E F
ISC/OLDHAM
control unit
Detector or
transmitter
Earth shielding
+ power supply - power supply Signal (I)
3
+ +
1
- -
A B C D E
ISC/OLDHAM
control unit
Transmitter Earth shielding + power supply - power supply
A B C
Control unit Transmitter ZENER Barrier
C
1
2 :
3
:
B
F
E
D
A
FIG 7
FIG 9
Dangerous area
Safe area
C
B
A
D
E
C
B
A
FIG 8