Siemens SIMATIC KTP400 Basic Operating Instructions Manual page 32

Mounting and connecting
3.3 Connecting the HMI device
Procedure
32
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1. Interconnect functional ground of the
HMI device with an grounding cable,
cross-section 4 mm
2. Connect the grounding cable of the
HMI device to the equipotential
bonding rail.
KTP400 Basic, KTP600 Basic, KTP1000 Basic, TP1500 Basic
Operating Instructions, 08/2008, A5E01075587-01
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