13.2.1 Input connection
13.2.1.1 Input connection pin assignment
1
2
3
4
5
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
Reverse
operation
(Remote fluid
recovery)
Min. 5 V, max.
30 V
Connect 5-24 V DC supply to reverse the pump in analog
mode
Grey
NOTE26
On DC versions of the pump the supply 0 V and input and output control Ground (0 V) are not
galvanically isolated. The installer should check if external signal isolation is required.
13 INSTALLATION: PART 4 (CONTROL CONNECTIONS AND WIRING)
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