ABB M251021CR / M251022CR Display Module with Card Reader

Operating Instructions

Safety Information

⚠️ WARNING

Dangerous currents flow through the body when coming into direct or indirect contact with live components. This can result in electric shock, burns or even death.

Disconnect the mains power supply prior to installation and/or disassembly!
Permit work on the 110-240 V supply system to be performed only by specialist staff.

Addressing

Diagram of the ABB M251021CR/M251022CR module showing addressing components.

The diagram displays the module with several numbered connectors and switches for configuration. Key components include:

1. Addressing Switch (Outdoor Station): A rotary switch used to set the address for the outdoor station, with options from 1 to 9.
2. Addressing Switch (Indoor Station - Default Outdoor): A DIP switch on the left side, used to set the address of the default outdoor station, with options from 1 to 9.
3. Addressing Switches (Indoor Station): Three DIP switches that collectively set the specific address for the indoor station, defining hundreds, tens, and units digits (e.g., 001).
4. Wiegand Output Connector: A connector for Wiegand data output.
5. USB Connector: Used for connecting to a PC to download or upload configuration settings.
6. Next Module Connector: A connector for linking to the subsequent module in a system.

For outdoor stations: Use switch 1 to set the address (1-9).

For indoor stations: Use the left switch 2 to set the address of the default outdoor station (1-9). Then, use the remaining three switches 3 to set the address (hundreds, tens, and units digits, e.g., 001) of the indoor station.

Settings / Parameters

Setting	Description
1. "Program" button	"Program" button
2. Connector for previous module	Connector for previous module
3. Connector for device software update	Connector for device software update
4. Connector for wiegand output	Connector for wiegand output
5. USB connector for the connection to the PC: download/upload the configuration	USB connector for the connection to the PC: download/upload the configuration
6. Connector for next module	Connector for next module

Operation / Functionality

Operation	Description
1. LCD display	LCD display
2. Support ID or IC card.	Swipe the registered card to release the door lock. The card can be programmed from the module itself, or using a PC to download the programming file. (M251021CR is with ID card reader, while M251022CR is with IC card reader.)
3. Support Wiegand output.	Default wiegand format is 26 bits, also it can be extended to 34 bits.

Models: M251021CR, M251022CR, M251021CR Display Module, M251021CR, Display Module, Module

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