Standard I/O Modules
50 Unrestricted SICAM A8000 Series, SICAM I/O Modules
DC8-012-2.06, Edition 09.2019
2.7.3 Technical Data
Analog Inputs
4 analog inputs
• 4 groups, 1 input each
•
Groups are galvanically insulated from one another
Measuring ranges Current measurement -20…0…+20 mA
Voltage measurement -10…0…+10 V
Overrange current ~20%
voltage ~30%
Resolution 0.004% at ±20 mA
0.004% at ±10 V
Accuracy 0.15% at 25°C
Accuracy current inputs 0.2% at 0…50°C
0.3% at –20…70°C
0.4% at –40…70°C
Accuracy voltage inputs 0.4% at 0…50°C
0.5% at –20…70°C
0.6% at –40…70°C
Input impedance 52 Ω at ±20 mA
10.5 kΩ at ±10 V
Common mode rejection ratio
current inputs
min. 90 dB (1 Hz…1 MHz)
Common mode rejection ratio
voltage inputs
min. 50 dB (1 Hz…5 kHz)
min. 70 dB (5 kHz…1 MHz)
Normal mode rejection ratio 0 dB (10 Hz…500 Hz)
+30 dB/decade (500 Hz…1 KHz)
+50 dB/decade (1 kHz…10 kHz)
min. 70 dB (10 kHz…1 MHz)
Noise rejection 50 dB (50 Hz, 60 Hz, 16⅔ Hz)
Power Supply
Operating voltage DC 4.75…5.5 V max. 180 mW
The voltage is picked off at the system bus
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