Emerson NetSure DCS 48375 Manual de instrucciones descargar pdf (Pagina 40)

UM584622100 Installation and User Instructions

Issue AC, July 3, 2012 Spec. Nos. 584622100, 584622200, 584622300, 584622400 (Model DCS48375)

Page 34 Chapter 8. Troubleshooting and Repair

This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy

Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.

Replacing the System Interface Circuit Card

Warning: The system interface circuit card contains static-sensitive devices.

Read the Static Warning at the front of this document before performing

the following procedure.

Caution: When performing any step in this procedure that requires removal or

installation of hardware, use caution to ensure no hardware is dropped

and left inside the cabinet; otherwise service interruption or equipment

damage may occur.

Note: When performing any step in this procedure that requires removal of existing

hardware, retain all hardware for use in subsequent steps.

Note: Refer to Figure 8-2 as this procedure is performed.

Procedure

1) Refer to the Static Warning and Admonishments at the beginning of this

document before performing this procedure.

2) Performing this procedure may activate external alarms. Do one of the following.

If possible, disable these alarms. If these alarms cannot be easily disabled,

notify the appropriate personnel to disregard any future alarms associated with

this system while the procedure is being performed.

3) Open the main shelf’s front door.

Warning: Damage to the circuit card may result if the next step is not followed.

4) Connect an approved grounding strap to your wrist. Attach the other end to a

suitable ground.

5) On the replacement circuit card, set the switches and jumper to match the

existing circuit card settings. Refer to Figure 3-1.

6) Transfer any jumpers on terminal block TB2 of the existing circuit card to the

replacement circuit card. Refer to Figure 4-2.

7) Carefully label any wires connected to terminal blocks TB1 and TB2 on the

existing circuit card. These wires must be connected to the same terminals on

the replacement circuit card. Refer to Figure 4-2.

8) Remove the external wiring from terminal blocks TB1 and TB2.

9) Unplug the connector plugged into the circuit card.

10) Remove the screws securing the cover over the System Interface Circuit Card

and remove the cover and circuit card.

11) Position the replacement circuit card over its mounting position and replace the

cover. Secure the cover and circuit card with the screws previously removed.

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