Hach-Lange BUHLER 2000 Water sampler - Manual (Page 15)

Installation
Page 15 Manual BÜHLER 2000/1029
Connector assignment – RS 232
(plug)
1 = Rx
2 = Volt-free
3 = Tx
4 = Volt-free
5 = Gnd
Connector assignment – input
signals (plug)
Pin assignment:
1 = Flow analogue +
2 = Flow analogue -
3 = COM
4 = Flow digital (pulse)
5 = Event
6 = Volt-free
Connector assignment – battery
connection (device)
Pin assignment:
1 = +
2 = -
3 = Volt-free
4 = Volt-free