Beckhoff Knowledge Base: Communication with an ekey finger scanner

General Information

Hardware documentation in the Beckhoff information system: KL6041- Serial Interface RS422/RS485

Hardware documentation in the Beckhoff information system: EL6021 - Serial Interface RS422/RS485

Connection of an ekey finger scanner to an EL6021 1:
Notice
Support
Communication with an ekey finger scanner is supported only with a KL6041/EL6021 and is not available for BC/BX controllers.
Connection of an ekey finger scanner to an EL6021 2:
Notice
Baud rate
With a KL6041 all the functions of a finger scanner can be used only with a baud rate of 19200. The maximum baud rate of 115200 is supported only with an EL6021.
Further libraries required

For PC systems (x86) and Embedded PCs (CXxxxx):

Connection of an ekey finger scanner to an EL6021 3:
Notice
Memory usage
Some of the PLC program memory is already used up by integrating the library. Depending on the application program, therefore, the remaining memory may not be sufficient.