Manufacturing / Industrial • Inspections

OSP300 Date and Time Battery Change

Use this procedure to safely replace the OSP300 date and time battery and confirm it is installed in the correct direction.

MPM, Inc.

10/20/2026

OSP300 Date and Time Battery Change

This procedure is used to replace the battery that retains the system date and time on the OSP300 operation panel. It covers opening the back cover, removing the old battery and its clamp, and installing the new battery in the correct orientation.

Procedure Max Score: 5

Open the back cover of the operation panel.

Change the battery.

Battery for retaining system date and time

Battery removing method

Remove the battery cable

Remove the screw (at one place). Remove the battery fixing clamp.

Remove the battery by sliding it from the part where the clamp is open.

Battery installation method

Attach the battery in the reverse manner of the removal procedure. Pay attention to the directions of the battery and the cable outlet.

Source: MPM, Inc. (Community Member)