7.3.2.4 Module: 2x mA input. Part number 734126
A2412
Belegungsvarianten
Passiv Aktiv, 2-Leiter Aktiv, 3-Leiter
mA-Eingang
Normsignal-Eingang
Stromquelle
ProMinent-Sensor
3-Leiter-Sensor
3-Leiter-Normsignal-Eingang
2-Leiter-Normsignal-Eingang
Fig. 24: Module: 2x mA input. Part number 734126
A module for the measurement of sensor signals from a 2-wire sensor, e.g. for chlorine, bromine or
peracetic acid (PES), and pH and ORP via the pH transmitters, pHV1, part number 809126, and
ORP, RHV1, part number 809127.
n For use with ProMinent 2-wire transmitters and sensors with 2-wire mA interface.
n Processing of active mA signals (type of connector: current source).
n Driver voltage: 24V DC.
n Max. current 50 mA.
n Input switches off at 70 mA.
n Protection against reverse polarity and overvoltage up to max. 30 V DC.
n Maximum cable length: 30 m, limited by the EMC specification.
Connect sensor 1 to terminal XE1 pin 2 and pin 3 with the control cable. Connect sensor 2 to ter‐
minal XE2 pin 2 and pin 3 with the control cable.
Control cable LiYY 2 x 0.25 mm
2
, Ø 4 mm, part number 725122.
Assembly and installation
54
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