Edan XM1 module key board 21.53.451042-1.1 used with good spare part

Edan XM1 module key board 21.53.451042-1.1 used with good spare part

► Brief Description

This keyboard component (part number 21.53.451042-1.1) features a green, metallic construction and is designed for use with the Edan XM1 module. It is a compact board bearing the company name and part number; it includes a connector for device interfacing and three buttons that allow operators to issue commands directly—offering a simple, efficient control method. The board is made of materials with excellent oxidation and corrosion resistance; it resists oxidation and discoloration even after prolonged, repeated use or exposure to disinfectant vapors, effectively preventing common issues such as sticking, intermittent responsiveness, or total failure. Installed behind the module's control panel, it works in conjunction with the button overlay and a dedicated cable to form a complete control unit. Its primary function is to receive operational commands from medical staff and convert them into electrical signals for transmission to the module's main controller, serving as the core circuit board component for device operation.

► Specifications

►Detailed Photos

►Features

1.The keypad features a layout of multiple independent metal dome contacts, each corresponding to a specific function key—covering core operations such as blood pressure measurement start, alarm silence, parameter switching, and mode adjustment.

2.Integrated with miniature filtering capacitors and current-limiting resistors, the keypad effectively shields against electromagnetic interference generated by internal components (such as the air pump and SpO2 module), ensuring accurate recognition of operation commands.

3.A standard connector is located on the side of the board to accommodate a dedicated wiring harness; the interface features a fool-proof design to prevent incorrect insertion—which could damage circuits or components—during maintenance or disassembly.

4.Its dimensions are precisely matched to the designated mounting slot within the XM1 module frame, and the board includes accurate alignment posts and mounting holes for rapid, secure assembly. When mated with the outer keypad overlay, it provides uniform, crisp tactile feedback with no play or sticking.

►Installation Steps

1.Power Off: Disconnect all power sources from the monitor and the XM1 module.

2.Disassemble the Module Housing: Carefully open the XM1 module housing. Typically, this involves removing the screws at the bottom and using a tool, such as a pry bar, to release the snap-fit ​​tabs.

3.Disconnect the Old Board: Locate the old keypad board inside the module's control panel. Gently unplug the dedicated cable connecting it to the main control board.

4.Remove the Old Keypad Board: Remove the screws or release the clips securing the old keypad board, then take it out from the inside of the panel.

5.Install the New Keypad Board: Position the new keypad board (21.53.451042-1.1) over the mounting holes, ensuring it aligns perfectly with the button locations on the control panel.

6.Connect the Ribbon Cable: Firmly insert one end of the dedicated cable into the connector on the new keypad board and the other end into the corresponding connector on the module's main control board.

7.Reassemble the Module: Put the module housing back together and tighten all screws. Ensure the housing is securely closed with no gaps.

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