Chapter 4 Analog input/output modules Manual VIPA System 200V
4-14 HB97E - SM-AIO - Rev. 12/32
Order number 234-1BD50
Type SM 234
Current consumption/power loss
Current consumption from backplane bus 100 mA
Power loss 2.9 W
Technical data analog inputs
Number of inputs 2
Cable length, shielded 200 m
Rated load voltage DC 24 V
Reverse polarity protection of rated load voltage
9
Current consumption from load voltage L+ (without
load)
70 mA
Voltage inputs
9
Min. input resistance (voltage range) 100 kΩ
Input voltage ranges +1 V ... +5 V
0 V ... +10 V
-10 V ... +10 V
Operational limit of voltage ranges -
Basic error limit voltage ranges with SFU +/-0.2% ... +/-0.6%
Current inputs
9
Max. input resistance (current range) 50 Ω
Input current ranges +4 mA ... +20 mA
0 mA ... +20 mA
-20 mA ... +20 mA
Operational limit of current ranges -
Basic error limit current ranges with SFU +/-0.3% ... +/-0.8%
Resistance inputs -
Resistance ranges -
Operational limit of resistor ranges -
Basic error limit -
Resistance thermometer inputs -
Resistance thermometer ranges -
Operational limit of resistance thermometer ranges -
Basic error limit thermoresistor ranges -
Thermocouple inputs -
Thermocouple ranges -
Operational limit of thermocouple ranges -
Basic error limit thermoelement ranges -
Programmable temperature compensation -
External temperature compensation -
Internal temperature compensation -
Resolution in bit 16
Measurement principle Sigma-Delta
Basic conversion time 6.75 ms - 268 ms
Noise suppression for frequency 50 Hz and 60 Hz
Initial data size 4 Byte
Technical data analog outputs
Number of outputs 2
Cable length, shielded 200 m
Rated load voltage DC 24 V
Reverse polarity protection of rated load voltage
9
Current consumption from load voltage L+ (without
load)
70 mA
Voltage output short-circuit protection
9
Voltage outputs
9
Min. load resistance (voltage range) 1 kΩ
Max. capacitive load (current range) 1 µF
Output voltage ranges -10 V ... +10 V
+1 V ... +5 V
0 V ... +10 V
Operational limit of voltage ranges -
Technical data
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