ProMinent DULCOMARIN 3 Compact Assembly And Operating Instructions Manual page 50

Assembly and installation
6.3.4.4 Module interfaces
6.3.4.4.1 Module: mV temperature/mA input. Part number 734355
Draht-
brücke
SN-6 Anschlussbuchse
Fig. 28: Module: mV temperature/mA input. Part number 734355
50
Belegungsvarianten
A module for the direct measurement of a pH value or redox poten‐
tial via a coaxial cable and a sensor signal from an mA 2-wire
sensor, e.g. for chlorine, bromine or peracetic acid (PES).
mA interface:
for use with ProMinent 2-wire transmitters and sensors with 2-
n
wire mA interface.
Processing of active mA signals, type of connector: current
n
source.
Driver voltage: 24 V DC.
n
Max. current 50 mA.
n
Input switches off at 70 mA.
n
Protection against reverse polarity and overvoltage up to max.
n
30 V DC.
Maximum cable length: 30 m, limited by the EMC specification.
n
2-wire control line for the connection of mA sensors to terminals
XE5.2 and XE5.3
Control line LiYY, 2 x 0.25 mm
mV interface:
For the direct connection of pH and ORP sensors
n
Maximum cable length: 10 m
n
2 , Ø 4 mm, part number 725122
A2384