ABB Symphony Harmony Series, Инструкция, Страница: 372 / 402

WBPEEUI240751C0 PR4 - 1
PR4
Auxiliary Block Installation
Purpose/Scope
This procedure gives the steps required to install an auxiliary
block. The installation procedure is the same for all auxiliary
blocks.
Parts
Tools
•
Phillips screwdriver.
Procedure
□
1. Separate the auxiliary block housing from its mounting
bracket if required. Open the front panel door and loosen the
four captive screws that attach the housing to the bracket
(Fig.
PR4-1 ).
□
2. Verify the block location. An auxiliary block can be located
directly above or below its associated I/O block.
□
3. Install the auxiliary housing bracket.
a. Position the bracket on the column by aligning the
posts on the back of the bracket with the alignment holes
in the column. The backplane connectors should protrude
through the back of the bracket when positioned properly.
b. Attach the bracket to the column using three M4
screws.
□
4. Attach the auxiliary housing.
a. Position the housing on the bracket by aligning the
posts on the back of the housing with the alignment holes
in the bracket.
b. Open the door and tighten the four captive screws to
fasten the housing to the bracket.
10 min.
Number Qty Description
200021A040S080 3 M4
×
8-mm screw