Thermo Fisher Scientific Micro-Tech 9101/9201 Reference Manual, Rev J C-3
When a COMM line is set up for communication (not for a printer), the
system is able to send and receive data to and from another device
connected to the COMM line. The COMM option comes with the
following software communication protocols already built in.
Modbus—An AEG proprietary protocol, multi-drop. The COMM
option only contains a subset of the protocol, as specified in this
manual.
Allen-Bradley—A proprietary protocol, multi-drop. The COMM option
only contains a subset of the protocol in the PLC-5 version of it, as
specified in this manual.
3964R—A Siemens proprietary protocol, single point.
The hardware can be configured (through jumpers on the mother board) to
one of the standards as listed in the previous paragraph. However, only the
RS485/RS422 standard allows multi-drop communications. RS232C can
only be used in point-to-point mode. This does not prevent the use of a
protocol and only prevents physically connecting the Micro-Tech to more
than one device.
NOTE. The communication protocols have been implemented and tested,
as described in this document or in other referenced documents. It is the
intention of Thermo Fisher Scientific to provide all the necessary
information, and help the user to connect the instrument to other
compatible devices. However, because most of the protocols are specific to
other manufacturers, Thermo Fisher Scientific declines any responsibility
for any malfunction that may occur when connecting the instrument to
devices of other manufacturers, unless tested and approved by Thermo
Fisher Scientific.
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