Description of Controller MC100 Functions

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2. Description of Controller MC100 Functions

2.1. Radio part

Unlike MORSE system radio modems the MC100 controller does not have a radio part.

2.2. Modem part

The control microcomputer has 4 MB of FLASH memory and 16 MB of RAM memory available. The battery, real time backup supply, detector of supply voltage failure and watch dog circuits belong amongst the other circuits of this block. If there is a supply voltage failure the fact is recorded into memory with the respective time data thanks to the charge stored in electrolytic capacitors. The user therefore has information available about the time and duration of possible faults caused by power failures. It is possible to connect equipment with signalling rates up to 115.2 kbit/s to the modem via the RS232 data interface. RS232 interface converters are protected against overvoltage with TRANSIL elements. A lithium battery is used for backing up in the modem part.

[Note]Note

Owing to the use of lithium batteries in the modem part it is not recommended to store them for a period of longer than 2 years.

2.3. Supplying

Controller is supplied by the DC current 13.8 V. The consumption in the quiet state is from 180 to 290 mA according to module used. Controller can be set in the SLEEP mode when the consumption drops down to 2.5 mA. The return in the active mode can be done by the signal inputting on the serial port or after a preset time.

2.4. Controller Assembly

Controllers are special devices which require skilled assembly. All supplied equipment is assembled by RACOM at the user’s site. For subsequent maintenance RACOM specially trains the user’s skilled staff and as an additional aid provides them with Operating regulations for radio data networks and MORSE Firmware – Documentation.

[Important]Important

CAUTION! Danger of explosion upon replacing the incorrect type of battery. Follow the manufacturers instructions for handling used batteries.

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