DM(M)-OT – The OpenTherm/plus converter

The DM(M)-OT is a converter of the RS485 interface (with MODBUS RTU and ARION protocols) to the OpenTherm/plus (OT/+) interface. The converter works as a control unit with the OpenTherm interface in the master role and enables control of several types of boilers. The converter communicates with the boiler continuously, independently from the communication with the control system.

 

Up to 63 DM(M)-OT converters can operate at the same time in an RS485 network. The DMM-OT variant allows reading or writing any available DATA-ID offered by peripherals to the OpenTherm/plus network.

 

DM-OT ARION protocol
DMM-OT MODBUS RTU protocol
Document File
DM-OT Data sheet dm-ot_d_en_100.pdf
Drawing symbol dm-ot_s_en_101.zip
Operation manual dm-ot_g_en_103.pdf
ePLAN macro dm-ot_se_en_100.zip
DMM-OT Drawing symbol dmm-ot_s_en_100.zip
ePLAN macro dmm-ot_se_en_100.zip
Data sheet dmm-ot_g_en_100.pdf

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