User Manual M3000® Automation System / MSC II (Moog Servo ...
User Manual M3000® Automation System / MSC II (Moog Servo ...
User Manual M3000® Automation System / MSC II (Moog Servo ...
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6 Project Planning and Installation Grounding Concept<br />
6.1 Grounding Concept<br />
L1<br />
L2<br />
L3<br />
N<br />
PE<br />
L1 L2 L3 N PE<br />
Figure 28: Grounding Concept<br />
For reasons of functional safety, all circuits must be grounded at a centralized<br />
point.<br />
The DIN top-hat rail must have a low resistance connection to the protective<br />
earth conductor-(PE). It is essential that the DIN top-hat rail is<br />
grounded over a connection with the largest possible cross section.<br />
Every circuit must be fused (maximum 12 A).<br />
Load-controlled distribution of the circuits (U1…U3)<br />
6.1.1 Front Panel Connectors' Grounding<br />
AC<br />
AC<br />
DC<br />
DC<br />
Control Cabinet<br />
max. 12 A<br />
max. 12 A<br />
max. 12 A<br />
DIN Top-Hat Rail<br />
Grounding Bar within Control Cabinet<br />
The metal housings of all front panel connectors of the <strong>MSC</strong> <strong>II</strong> and the extension<br />
modules are connected internally to the grounding of the DIN top-hat rail.<br />
Grounding Concept<br />
Front Panel Connectors'<br />
Grounding<br />
© <strong>Moog</strong> GmbH <strong>User</strong> <strong>Manual</strong> M3000 ® and <strong>MSC</strong> <strong>II</strong> (CA65865-001; Version 1.1, 08/08) 38<br />
U1<br />
U2<br />
U3
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