Figure 11 - Pin assignments at the pump
Pin
No.
Function
Specification
Referenced to
Input lead
colour
1
Run/stop
Min. 5 V, max.30 V
Connect 5-24 V DC supply to stop
(referenced to pin 4).
Alternatively, connect pin 5 of the
output connector to this pin via
normally open switch.
Brown
2
External
Contact
Reserved
Min. 5 V, max .30 V
Pulse 5-24 V
40 ms minimum pulse length
(referenced to pin 4).
Alternatively, connect pin 5 of the
output to this pin via normally
open switch.
White
3
4-20 mA
250 Ω input impedance
40 mA max. current
250 Ω load resistance 40 mA
max.current
Referenced to GND
Blue
4
GND
Ground (0 V)
Black
5
Remote fluid
recovery
Min. 5 V, max. 30 V
Connect 5-24 V DC supply to
reverse the pump in analog mode
Grey
13.2
Optional input lead
Input lead length: 3 m (10 ft)
Br
W
Bl
Bk
Gy
A
Figure 12 - Optional input lead
A
Br
W
Bl
Bk
Gy
Blue insert
Brown
White
Blue
Black
Grey
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