Parameter data records
B.1 Parameter assignment and structure of the parameter data records
Analog Input Module AI 8xU/I/R/RTD BA (6ES7531-7QF00-0AB0)
Manual, 03/2019, A5E44792324-AA
49
Codes for measurement types
The following table lists all measurement types of the analog input module along with their
codes. Enter these codes at byte 2 of the data record for the corresponding channel (see the
figure Structure of data record 0: Bytes 7 to 27).
Table B- 2 Code for the measurement type
Voltage 0000 0001
Current, 2-wire transmitter
Current, 4-wire transmitter 0000 0010
Resistance, 3-wire-connection *)
Resistance, 2-wire connection **)
Thermal resistor linear, 3-wire connection
*) Only for the following measuring ranges: 600
Ω, 6 kΩ
**) only for measuring range PTC
Codes for measuring ranges
The following table lists all measuring ranges of the analog input module along with their
codes. Enter these codes accordingly at byte 3 of the data record for the corresponding
channel (see the figure Structure of data record 0: Bytes 7 to 27).
Table B- 3 Code for the measuring range
±50 mV
±500 mV
±1 V
±5 V
±10 V
0000 0001
0000 0100
0000 0101
0000 1000
0000 1001
Current, 4-wire transmitter
0 mA to 20 mA
4 mA to 20 mA
0000 0010
0000 0011