Chapter 2 Analog input modules Manual VIPA System 200V
2-34 HB97E - SM-AIO - Rev. 12/32
The here listed formulas allow you to transform an evaluated measuring
value (digital value) to a value assigned to the measuring range and vice
versa.
Measuring range Voltage (U) Decimal (D) Hex Range Formulas
12,5 2560 0A00h overrange
10V 2048 0800h
5V 1024 0400h
0V 0 0000h
-5V -1024 FC00h
-10V -2048 F800h
nominal range
±10V
Siemens S5 format
-12,5 -2560 F600h underrange
10
2048
U
D ⋅=
2048
10
⋅= DU
Order number 231-1BD70
Type SM 231
Current consumption/power loss
Current consumption from backplane bus 280 mA
Power loss 1.4 W
Technical data analog inputs
Number of inputs 4
Cable length, shielded 200 m
Rated load voltage -
Current consumption from load voltage L+ (without
load)
-
Voltage inputs
9
Min. input resistance (voltage range) 83 kΩ
Input voltage ranges -10 V ... +10 V
Operational limit of voltage ranges -
Basic error limit voltage ranges with SFU -
Current inputs -
Max. input resistance (current range) -
Input current ranges -
Operational limit of current ranges -
Basic error limit current ranges with SFU -
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 12
Measurement principle successive approximation
Basic conversion time -
Noise suppression for frequency -
Initial data size 8 Byte
Measuring value
Technical data
To Next Page
Loading...