Siemens S7-1200 System Manual page 956
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Also See for S7-1200:
- Operating instructions manual (132 pages) ,
- Programming manualline (74 pages) ,
- Manual (46 pages)
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Technical specifications
A.12 Analog signal boards (SBs)
It is recommended for measuring thermocouples that a 100 ms integration time be used. The
use of smaller integration times will increase the repeatability error of the temperature
readings.
Note
After power is applied to the module, it performs internal calibration for the analog to digital
converter. During this time, the module reports a value of 32767 on each channel until valid
data is available on that channel. Your user program may need to allow for this initialization
time.
Table A- 227 Wiring diagram for SB 1231 AI 1 x 16 thermocouple
SB 1231 AI 1 x 16 bit thermocouple (6ES7 231-5QA30-0XB0)
Note: Connectors must be gold. See Appendix C, Spare Parts for order number.
Table A- 228 Connector pin locations for SB 1231 AI 1 x 16 bit thermocouple (6ES7 231-5QA30-
956
0XB0)
Pin
X19 (gold)
1
No connection
2
No connection
3
No connection
4
No connection
5
AI 0- /TC
6
AI 0+ /TC
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
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