A-48 Micro-Tech 9101/9201 Reference Manual, Rev J Thermo Fisher Scientific
5. Insert the COMM board in any available expansion slot on the
motherboard.
Board Diagram
Part number = 102942
This is an optional board. Install in one of the motherboard expansion
slots J10–J13. No hardware configuration jumpers or switches are
present on the Profibus-DP board.
Profibus is a typical master/slave communication where the main PLC is
the master or scanner, and the Micro-Tech device is a slave. The
connection is EIA RS 485 through a 2-wire twinax Siemens cable.
Profibus-DP is the performance-optimized version specifically dedicated
to time-critical communication between automation systems and
distributed peripherals. It is typically used to transfer I/O images
between a main PLC and remote devices (sensors, actuators,
transmitters, etc.). In this case, it will be used to transfer (read and write)
blocks of data.
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