The EM-1 extension module is used to control current outputs and binary relay outputs, extending the functionality of the MacMAT IV converter.

Extension module

It extends the functionality of converters.

Output control

Control of current outputs and two-state relay outputs.

DP table

Own table of available parameters.


The EM-1 module is a device that extends the functionality of the MacMAT IV converter. It enables control of current outputs operating in the 4 ÷ 20mA current loop standard and two-state relay outputs. The module has its own DP array (available parameters), which can be programmed using the GAZMODEM2 and ModBUS RTU transmission protocols.

Technical support

Mariusz Sierotko

Technical Support Engineer

Mobile phone/WhatsAPP:

+48 607 624 546


Skype ID: mariusz.sierotko@plummac.com

Andrzej Stepaniuk

Sales Engineer

Mobile phone/WhatsAPP:

+48 667 776 765


Skype ID: andrzej.stepaniuk@plummac.com