Rtd Terminal Connections; Installation External Wiring; Figure 5-1 Rtd Termination Diagram (For Internal And External Wiring) - Siemens SINAMICS PERFECT HARMONY GH180 Function Manual

RTD Terminal Connections

5.1

Installation External Wiring

Installation External Wiring
Customer-supplied low-voltage control cables enter via access plates in the top or bottom of the
VFD enclosure. Refer to the project drawings for access plate locations.
Customer-supplied Resistance Temperature Detector (RTD) extension wiring terminates to
terminal block TB2RTD in the VFD enclosure. An example is shown below in figure
Termination Diagram . Refer to the project drawings for complete TB2RTD layout details.
Figure 5-1
Note
Customer must loop-back (short) all unused RTD inputs. Doing so avoids interference pickup
on unused channels which can couple into the channels that are being used. Ensure all unused
RTD inputs are shorted to earth ground. Refer to figure
RTD inputs .
Advanced Motor Protection for Variable Speed Operation
Manual, AA, A5E46373908A
RTD Termination Diagram (for internal and external wiring)
Internal and External Wiring for Unused
5
RTD
27