Installing The Motor Starter; Connecting To Functional Ground - Siemens SIRIUS M200D Manual

4.1.4

Installing the motor starter

Carry out the following steps to install the motor starter:
Step
1
2
3
4.1.5

Connecting to functional ground

The motor starter must be connected to functional ground. The connection to functional
ground is required to discharge interference and ensure EMC resistance. Unlike the
protective conductor, functional ground does not offer protection against electric shock,
which is why it must be routed separately.
The contact plate at the fixing point on the bottom right is connected to functional ground
within the device. This connection must be connected to the ground potential with as little
resistance as possible.
Figure 4-5
If you do not install the motor starter on a grounded, conductive base, you have to establish
a connection with the ground potential (grounding cable with cable lug, spring washer, and
plain washer).
M200D AS-Interface Standard
Manual, 08/2014, A5E02548958A/RS-AA/004
Description
Find a flat surface for mounting the device.
Drill four holes for the screws.
Secure the motor starter using four screws (M5). If necessary, use plain washers and
spring washers.
The tightening torque must not exceed a maximum of 2.5 Nm.
Connection for functional ground
Mounting/Connecting
4.1 Mounting
93