Folks,
Release R2-7 of the EPICS "modbus" module is now available. This is from the release notes:
- Added support for function code 23, Read/Write Multiple Registers. Because of the architecture of the EPICS Modbus support, a driver that uses function 23 is restricted to being either a read-only driver where no data is written, or a write-only driver where no data is read. It is preferable to use functions codes 3, 4, 6, or 16 if they are supported. However, some older devices only support function code 23.
The release notes are here:
http://cars.uchicago.edu/software/epics/modbusReleaseNotes.html
The documentation is here:
http://cars.uchicago.edu/software/epics/modbusDoc.html
The tar file is here:
http://cars.uchicago.edu/software/pub/modbusR2-7.tgz
Cheers,
Mark
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