Siemens SIMATIC S5-90U System Manual page 417

S5-90U/S5-95U
Figure 15-9. Direct and Remote Connection of Thermocouples of Different Type without
Linearization and External Compensation to the Module
EWA 4NEB 812 6115-02b
1 3 5 7
2 4 6 8
Cu Cu Cu Cu Cu Cu
Comp. Comp.
box box
Comp.
box
9
10
Reference junction
connected locally
to each compensating box
Module Spectrum
15-51