Unitronics Vision OPLC V130-J-T2 Installation Manual page 11

Vision™ OPLC™
Opening the Controller
Before performing these actions, touch a grounded object to discharge any electrostatic charge.
Avoid touching the PCB board directly. Hold the PCB board by its connectors.
1. Turn off the power supply, disconnect, and dismount the controller.
2. The back cover of the controller comprises 4 screws, located in the corners.
Remove the screws, and pull off the back cover.
Changing I/O Settings
After opening the controller and exposing the I/O board, you can change the jumper settings according
to the table shown above.
Changing Communication Settings (
1. To access the communication jumpers, hold the I/O PCB board by its top and bottom connectors
and steadily pull the board off.
2. Locate the jumpers, and then change the settings as required, according to the jumpers' settings
shown on page 10.
Closing the Controller
1. Gently replace the board. Make certain that the pins fit correctly into their matching receptacle.
Do not force the board into place; doing so may damage the controller.
2. Replace the back cover of the controller and fasten the corner screws.
Note that you must replace the back cover securely before powering up the controller.
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