Emerson manual User Instructions Spec. No Model 710NPBA

UM581127000

Issue AB, March 22, 2012

588705203 (Existing 24-Position Shelf Assembly)

(588705201 and 588705202 similar)

12-24 x 1/2" Thread Forming Hex Head Screw (2 per side)

No. 10/12 Ground Washer (2 per side)

(Torque to 65 in-lbs)

588705200 (8-Position Expansion Shelf)

User Instructions Spec. No. 581127000 (Model 710NPBA)

Bracket to secure shelves together.

Rear View

Interconnect

Busbars

Apply electrical anti-oxidizing compound to busbar mating surfaces before installing Expansion Module Mounting Shelf.

1/4" Hardened Flat Washer 1/4" Belleville Lock Washer 1/4-20 Nut

(16 places)

Torque to 60 in-lbs.

1.Slide the Expansion Module Mounting Shelf into the relay rack.

2.Secure the Expansion Module Mounting Shelf to the relay rack.

3.Remove rear cover from existing shelf and the Expansion Module Mounting Shelf.

4.Secure the existing shelf’s busbars to the expansion shelf’s busbars with the supplied interconnect busbars.

5.Tie the existing shelf to the Expansion Module Mounting Shelf with the supplied brackets (both sides).

5.Remove the connector from the bottom controller communications connector in the existing shelf and plug it into the bottom controller communications connector in the expansion shelf. Plug the loose end of the bottom controller communications connector in the existing shelf into the loose end of the top controller communications connector in the expansion shelf.

6.Reinstall rear covers.

Figure 3-2

Installing a Field Expansion Module Mounting Assembly

Page 12 Chapter 3. Maintenance

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