Siemens SIMATIC S7-300 Reference Manual page 262
Programmable logic controllers module data
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Also See for SIMATIC S7-300:
- Manual (676 pages) ,
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Analog Modules
4.11.1
Connecting resistance thermometers to the SM 331;
AI 8 x 13 bits
Two-conductor connection
With a two-conductor connection, you must insert jumpers on the module between
M– and S–.
Figure 4-19
Three-conductor connection
Figure 4-20
4-56
Two-conductor connection of resistance thermometers to the SM 331;
AI 8x 13 bits
Three-conductor connection of resistance thermometers to the SM 331;
AI 8 x 13 bits
S–
ADC
M+
M–
S–
ADC
M+
M–
Programmable Logic Controllers S7-300 Module Data
Backplane
bus
Backplane
bus
A5E00105505-03
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- Controllers S7
- Siplus S7-300 Modules
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