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Grounding multiple subpanels, Grounding multiple subpanels -10, Figure 3.7 – Rockwell Automation 1394 SERCOS Interface Multi-Axis Motion Control System Installation Manual User Manual

Page 64

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Publication 1394-IN002B-EN-P — February 2004

3-10

Connecting Your 1394 SERCOS Interface System

Figure 3.7
PE Safety Ground Configuration with Multiple 1394 Systems on One Panel

Grounding Multiple Subpanels

To extend the chassis ground to multiple subpanels, refer to the figure
below.

Figure 3.8
Subpanels Connected to a Single Ground Point

Status

Status

DANGER

RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY

EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.

DANGER

RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY

EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.

SERCOS System Module

SERCOS System Module

Status

Status

DANGER

RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY

EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.

DANGER

RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY

EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.

SERCOS System Module

SERCOS System Module

Bonded ground bar

(optional)

All ground wiring must

comply with local codes

System module

single point

bond bar

Always follow NEC and

applicable local codes

Ground grid or power

distribution ground

Bonded cabinet ground bus

1394C-SJTxx-x System Modules

Always follow NEC and

applicable local codes

Ground grid or power

distribution ground