Communication with INMAT heat meter (Czech republic)

The flow and heat meters INMAT are manufactured by:

ZPA Nová Paka, a.s.

Czech republic

According to the communication method the INMAT meters can be divided into following groups:


The INMAT57 meter allows to use the RS-485 or RS-232 interface with Modbus protocol or with M-BUS interface.

For this communication in the PROMOTIC system can be used:


The communication of the PROMOTIC system with the INMAT66/51 meters is implemented by the PROMOTIC component: PmInmat66 - Driver for communication with INMAT66/51 heat meters.
See also: Preconfigurations PmInmat66 - Communication set with data and panel for heat meters INMAT


It goes about obsolete types of heat meters that are not addressable, which means that they don't support the network protocol (it goes about the point-to-point communication type).

For this communication in the PROMOTIC system can be used:

INMAT64/65 device is the MASTER on the communication line that periodically transmits a message (data) to the communication line with the period about 5 sec.
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