Release Notes

Immunity of HT200 against short power dropouts

The power supply is not included to HT200, as the stabilized power supply in the panel is usually used. When specifying the power supply, several parameters which may influence the correct functionality must be taken into account.
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M090 – fix of firmware bug

In the M090 firmware V20, the error in ballast on/off control using registers 177 - 182 was fixed. Previous versions showed unreliable functionality and the written values were replicated in other registers. The new firmware can be uploaded over the M090 web pages. After device restart, this function will work properly.
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HT200 – bug analogue setter range

The HT200 operating terminal with firmware version Merbon Menu Reader - MMR version: 1.00 RC14 may cause the problem with analogue setter.
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M090 – fix of firmware bug

In the M090 firmware V16, the Modbus F16 writing multiple registers error was fixed: in the previous versions it was not possible to write more registers in one telegram. The new firmware can be uploaded over the M090 web pages. After device restart, the F16 function will work properly.
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HT101 – wrong time scheduler, time function and DHCP settings

The HT101 operating terminal with firmware version v102 (serial numbers till 85000) may cause the problem with settings new information to time scheduler in PLC. When time scheduler is set the nearest same state change is deleted. In these firmware version is also not possible to upload configuration or firmware file with active DHCP function and the time function in object Digital setter is not active.
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IPLC201/301/MXPLC with operation system BECK – possibility of network communication failure

The PLCs with operation system BECK and runtime to version V20150213 may show the problem with stopped network communication. Program is still running but PLC is not available to ping command.
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IPLC201/301/MXPLC – TCP port, name and password not defined in default settings

The PLCs with serial numbers 63000 to 71100 may show the problem that in the default state the TCP port of 12345, username and password for client connection are not set. The port is set to 0, the credentials are blank.
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Time Scheduler Settings Not Working Properly in Web Access to MiniPLC

When using web access to Domat MiniPLC IPLC201, IPLC301, and MXPLC process stations with the most recent releases of some web browsers, which appear approximately since September 2014, the time scheduler editors may not work properly, which results in partial or complete deleting of the events in the time scheduler table.
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Power supply selection for M095, M096

The M-Bus converters M095 and M096 may freeze occassionally if powered by an unsuitable low voltage stabilized power supply. The supply must meet the requirements of EN 61000-6-2 ed. 3:2006 (EMC for industrial environment), and EN 61000-4-11 ed.2:2005 (Voltage dips, short interruptions and voltage variations immunity tests).
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Possible MXPLC startup problem

When the runtime is updated, it may happen that after the process station starts, the platform type is misdetected (as IPLC201/301 rather than MXPLC). The result is wrong assignment of communication ports and other interfaces. It is easily recognizable, as the MXPLC does not beep twice after restart, and communication with COM ports as well as with the internal I/O module is not working properly. In the Converter mode, the internal I/O module is not detectable, nor the external I/O modules at the COM ports.
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