Figure 2-10 Example Of Ground Connection - Siemens SIMATIC TI555 System Manual

CAUTION
!
TI545/TI555 System Manual
A good grounding system is essential for proper operation of the
system. It is one of the most important considerations in planning
your installation.
Failure to provide a good grounding system could result in death or
serious injury to personnel and/or damage to equipment.
Ensure that you have a good grounding system when you install
your equipment.
Subpanel
Equipment
Star
washers
Step 2
Step 1
To ground equipment directly to the sub-panel,
follow these steps:
1. Remove the finish from the equipment at
areas of contact.
2. Tighten the first nut.
3. Tighten the second nut.
You may need a lock washer to prevent the nut
in Step 3 from backing off.

Figure 2-10 Example of Ground Connection

Ground
braid
copper lugs
Step 2
Subpanel
Step 3
or user-supplied
single point
ground
To attach ground leads to the sub-panel,
follow these steps:
1. Remove the finish from the equipment at
areas of contact.
2. Tighten the bolt.
Pre-installation Guidelines
Step 1
Star
washers
2-15