SBC PCD1.Room - Analogue Inputs

Hardware Manual PCD1.M2110R1 │ Document 27-619 │ Version ENG 04 │ 2018-08-20
Saia-Burgess Controls AG
Analogue Inputs and Outputs (Slot IO1)
Inputs/Outputs (I/O)
4-19
4
Settings for this module are summarized below. More details can be found in
document 26-853_ENGx_Manual_PCD2.W525.
4.4.1 AnalogueInputs
Inputs General
Resolution: 14 Bit
Measurement type: di󰀨erential
Number of channels: 4
Electrically isolated from PCD: yes
Electrically isolated from external supply: yes
Electrical isolation between other channels: no
Connection type: two wires per channel
Howtoconguremodeofoperation: by DIP switches
Accuracy at 25 °C: ± 0.2 % max.
Repeat accuracy: ± 0.05 % max.
Temperature drift (0...55 °C) max.: ± 70 ppm/°C
Over voltage protection: ± 50 V min.
Over current protection: ± 35 mA min.
Common mode voltage max: ± 50 V min.
Common mode rejection ratio: 70 dB min.
Filter
Timeconstantofhardwarelter: 2 ms
Attenuation of software based 50 Hz Filter: 40 dB min. between 49.5 and 50.5 Hz
Attenuation of software based 60 Hz Filter: 40 dB min. between 59.5 and 60.5 Hz
Voltagemode
Resolutionrange0 … 10Vmode: 14 Bit; 0.61 mV per LSB
Current mode:
Current shunt: 125Ω
Resolutionrange0 … 20mA: 14 Bit; 1.22 µA per LSB
Resolutionrange4 … 20mA: 13.7 Bit; 1.22 µA per LSB
Temperature/Resistancemode
ResolutionforPt1000;range-50 … 400°C 0.1 °C
ResolutionforPt500;range-50 … 400°C 0.2 °C
ResolutionforNi1000;range-60 … 200°C 0.1 °C
Resolutionforresistor;range0 … 2500Ω 0.2Ω
Power dissipation in temp. sensor / resistor: 2.5 mW max