2 digital outputs isolated galvanically from each other and from all other connections via
OptoMos relays.
mA Input
Current measuring range 0...24 mA
Voltage output for passive transmitters:
approx. 21 V/max. 35 mA/ Ri min. 50 W
Measuring accuracy: ± 0.25 % of range up to 22 mA *
Overvoltage-resistant up to: ± 50 V
Short circuit-resistant Yes
* Values above 22 mA only have an informative character
For the connection of active and passive power transmitters in 2- and 3-wire systems.
Not galvanically isolated from the temperature and mV inputs.
Do not connect mV input and mA input simultaneously. Values will be falsified and the
sensors and measuring devices connected will be damaged.
Switch off supply and current measuring resistance in the event of a fault; reactivate
cyclically by means of software.
mV Input
Measuring range: -1 V...+1 V
Measuring accuracy: ± 0.25 % of range
Sensor monitoring of input (low ohmic
threshold) (can be switched off):
< approx. 500 k W (short circuit)
Sensor monitoring of input (high ohmic
threshold) (can be switched off):
> approx. 1.2 G W
Overvoltage-resistant up to: ± 5 V
For the connection of potentiometric sensors. Short circuit monitoring provided by soft‐
ware.
Do not connect mV and mA simultaneously. Values will be falsified.
Electrical Data
146
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