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NCP network with two or more MicroNet Touchscreens, values in controllers on a sublan are changing unrepentantly.


On a NCP network where there are two or more MicroNet Touchscreens on the system, some values in MicroNet controllers on the Sub-LAN of a MicroNet Touchscreen are found to be changing unrepentantly.

Product Line

Satchwell Micronet




Micronet Touchscreen error


Updated June 2019

The MicroNet 50 series range MN350, 450, 550, 650 LCD and Touchscreen have been withdrawn from sale.
The IAC 420, 600 and Touchscreen have now also been withdrawn from sale.
No direct replacement is offered.
Further information on these changes can be found in PA-00495 - Notice of Withdrawal - Satchwell Sigma and PA-00528 - End of Commercialization - Satchwell Sigma.


The problem generally occurs when there is heavy communication traffic through the Touchscreens.

New Touchscreen firmware version MNTS0H has been released fixing this issue.

The firmware has been tested with VisiSat 2.1 Build 148 Service pack 1, MN50 series controllers, Xenta 555 and Xenta 731 hardware.

Please refer to TPA-LOND-09-0029.00 Touchscreen TS0H firmware.

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