Bently Nevada 3500/15 125840-02 Power Input Module

Description

125840-02 Occasionally it may be necessary to replace the original firmware that is shipped with

the 3500/20 Rack Interface Module (RIM). The following instructions describe how to

remove the existing firmware and replace it with upgrade firmware. The RIM will need

to be reconfigured using the 3500 Rack 125840-02 Configuration software after having its

firmware upgraded.

125840-02 The following items are required to perform a firmware upgrade to the RIM:

Large Flathead Screwdriver.

Grounding Wrist Strap.*

Small Flathead Screwdriver

Upgrade Firmware IC.*

125840-02 Follow the steps below to complete the RIM firmware upgrade:

Ensure that the Rack Interface Module’s configuration is saved using the 3500

Rack Configuration software.

Refer to Section 1.2 (Handling and Storing 125840-02 Considerations) before handling the

RIM or the upgrade firmware IC.

Remove the RIM from the 3500 rack.

Remove the Top Shield from the RIM.

Remove the original firmware IC from the RIM PWA.

Install the upgrade firmware IC into the socket on the RIM PWA.

Replace the RIM Top Shield.

Replace the RIM into the 3500 system.

Reconfigure the RIM using the 3500 Rack Configuration software.

The following pages contain detailed instructions for some of the steps listed above.

Please review completely before proceeding.

Step 1. Place the large flathead screwdriver under the top shield and on the ridge of

the rear standoffs and lift upward on the screwdriver to pop the cover loose from the

rear standoffs.

Step 2. 125840-02 Move the top shield up and down to loosen it from the two front standoffs.

Original Firmware IC Removal

Step 1. Insert the small flathead screwdriver under the lip of either end of the IC. The

diagram shows the approximate location of the chip to be removed, but not

Install the upgrade firmware IC into the PWA. Be sure to match the notched end of

the IC to the notched end of the socket. Ensure that the IC is firmly seated in the

socket.

Top Shield Replacement

Replace the top shield. Position the notch on the top shield so that it is at the top left

corner of the module as shown in the diagram under “Top Shield Removal”. Align the

holes in the top shield with the standoffs and press down around each standoff until

they snap in place.

5.3 Real-Time Clock Failure

The Real-Time Clock component on the Rack Interface Module uses an internal

lithium battery that must be replaced every 3 to 10 years. The replacement

interval depends on environmental conditions such as operating temperature. A

discharged lithium battery may cause loss of operating information if the rack

loses power. Refer to the System Event List Messages in Section 6 for the

message that will be displayed when the Real-Time Clock must be replaced.

Contact your nearest Bently Nevada office for instructions on how to handle this.

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