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:
differential
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 configure 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 filter:
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
