MEN BL51E, User Manual

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Functional Description
20BL51E00 E2

2020-03-27 Page 71
3.23 Legacy Serial I/O
The BL51E supports:

Two configurable serial interfaces at the front of the BL51E using MEN standard SA-
Adapters

Serial interface 1 (X11) supports:
- RS232, RS422/RS485, digital I/O or IBIS functionality

Serial interface 4 (X12) supports:
- RS232, RS422/485 or IBIS functionality
For using the 08SA15-00 SA-Adapter with digital I/O functionality at serial
interface 1 (X11) you have to change a setting in the FPGA to switch from
UART to digital I/O. See Chapter 2.8.4 Switching Serial Interfaces on page
37 for Windows or Chapter 2.9.6 Switching Serial Interfaces on page 42 for
Linux.
See Figure 1, Front interfaces on page 14 for the position of the serial interfaces.

See the MEN website for ordering information:
www.men.de/products/bl51e/#ord

Please contact MEN if you have any questions or problems