Weidmuller DPARTD - Universal glavanically isolated signal converter - Handbuch (Seite 16)

16
en DPA/RTD
•Operation
General
The DPA/RTD allows you to set two independent trip points against
the temperature measured by a two or three wire RTD (normally
Pt100 type). The units feature automatic lead length compensation
to compensate for lead resistance. They are specially built to suit a
particular temperature range and RTD type.
Setup
The alarm relay coils operate according to each setpoint/deadband
configured via front panel multiturn potentiometers. Internal push
fit jumpers determine the alarm type (high or low acting) and coil
energisation (normally energised/de­energised).
DPA/RTD block diagram.
Alarm 1
Power
Supply
RTD Temperature
measurement
Alarm 2
°C