Siemens 7SR105 Rho User Manual page 168

7SR105 Rho Installation Guide
1.2 Temperature Input Connection Diagram
The connection between the relay and the temperature inputs can be used with 3-wire connection
using the three core cables. The screened type of cable is used for the termination.
The maximum two temperature inputs shield can be connected to the one shield earthing screws.
Figure 1-3 Temperature Input Connection Diagram
Figure 1-3 shows the shields of 2 terminals are connected to the 1 earthing screw. The 3 screws are
provided for the shield termination of temperature inputs.
NOTE:
Do not connect the protective earth screw to the shield termination screws.
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