Controlling the detector with the
I/O
inter
face
24
V
DC Power supply
Pin
No
24
V
DC power supply
10, 11, 13 If SW1 on P0307 interface board is closed
(upper position)
+24V DC
(maximum current
350 mA)
supplied by leak detector
If SW1 is open (lower position)
(+) point for
customer external
power
supply
(24 V)
12, 21
If SW1 on P0307 interface board is closed
(upper position)
Ground
If SW1 is open (lower position)
(-)
point for
customer
external power supply
SW1
+ 24
V
detector
F1
J3.10
350 mA
J3.11
J3.13
GND
J3.21
J3.12
2
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