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The BM-PM-DMTGW90 is a serial converter which acts as a Modbus TCP server (accepts Modbus TCP commands) and controls a DALI (Digital Addressable Light Interface) bus with up to 64 DALI devices. It also incorporates a web interface for manual entering of DALI commands inclusive bus configuration and diagnostic commands. The BM-PM-DMTGW90 converter acts as a master of the DALI bus. The Modbus and web commands are translated into DALI protocol telegrams and sent to the DALI devices.

The responses from the light controllers are translated back to Modbus registers and available at the corresponding addresses. The DALI bus supports up to 64 light controller addresses, up to 16 scenes, and up to 16 groups. The DALI bus uses 22.5 V operation voltage. The bus devices are connected over a 2-pole connector, regardless of polarity. The Ethernet is connected over RJ45 connector with PoE (Power over Ethernet).


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