Wiring The Smart Connect Tb 16Sc Terminal Block; Front View Of The Terminal Block - Siemens Metro 21 M216KA Operator's Manual

Wiring
3.5

Wiring the Smart Connect TB 16SC Terminal Block

Introduction
Wiring the
TB 16SC
!
Connecting to
Local Ground
3-14
The TB 16SC terminal block and – if required – the supplementary terminal
carry the wiring.
The figure below shows the connections of the TB 16SC terminal block:
Figure 3-6

Front View of the Terminal Block

Warning
When installing the following electronic modules
2DODC24V0.5A (6ES7 122-1BB00-0AA0)
2DODC24V2A (6ES7 122-1BB10-0AA0)
check that the polarity of 1L+ and 1M and 2L+ and 2M on the TB 16SC
terminal block is correct before you switch on the load voltage.
If the polarity is incorrect, any actuators connected may be activated.
The terminal block has one local ground point.
1. You must provide a low resistance connection between the local ground
point and the rail. For this purpose, use at least a 4mm
maximum length of 0.5 m (cable lug rated size 4-6 in accordance with
DIN 46237).
2. Provide a low-resistance connection between the rail and foundation
ground. Ungrounded installation is not possible.
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
2
conductor with a
EWA 4NEB 780 6009-02c