Parameters/Address Space; Measuring Types And Ranges - Siemens simatic s7-1500 User Manual

Parameters/address space

4.1

Measuring types and ranges

Introduction
The module has a default measurement type resistance thermometer RTD (4-wire
connection) and the measuring range Pt100 Standard. You need to reassign the module
parameters with STEP 7 if you want to use a different measurement type or range.
You use temperature coefficients to determine the measuring ranges for resistance
thermometers / thermocouples according to the GOST standard. You can find the adjustable
temperature coefficients in the Parameter assignment and structure of the parameter data
records (Page 56) section in the table Coding for temperature coefficient.
You can find the analog values for the usable resistance thermometer / thermocouples in the
sections Analog value representation for resistance-type transmitters / resistance
thermometers (Page 74) and Representation of analog values for thermocouples (Page 80).
The following table shows the measuring types and the respective measuring range.
Table 4- 1
Measurement type
Voltage
Resistor
(2-wire connection)
Resistor
(3-wire connection)
(4-wire connection)
24
Measuring types and ranges
Measuring range
±25 mV
±50 mV
±80 mV
±250 mV
±500 mV
±1 V
150 Ω
300 Ω
600 Ω
6000 Ω
PTC
150 Ω
300 Ω
600 Ω
6000 Ω
Analog Input Module AI 8xU/R/RTD/TC HF (6ES7531-7PF00-0AB0)
Representation of analog values
See Appendix Representation of
analog values in voltage measur-
ing ranges (Page 73).
Manual, 09/2016, A5E36647959-AB
4