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05/2018 Subject to technical changes..

domat US100

Changes in
version

09/2016

—

Changed the format and reference to the configuration software.

03/2017

—

Added picture and description of the installation and link on the datasheet

with other colours.
05/2018

–

Change technical data.

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Summary of Contents for US100

Page 1: ...l button The room temperature is measured in the range of 20 to 50 C Measured and set values are processed in a PI algorithm at the output of which there is a PWM controlled triac All values are displayed on a large LCD display The output works either as PWM controlled by a PI controller or on off thermostat The functionality and control parameters i e P and I constants and hysteresis can be set w...

Page 2: ...essing and communication examples The communication bus is Modbus RTU over RS485 therefore the controllers are easily to integrate into any SCADA or BMS system Technical data Power 24 V AC 10 Consumption 1 5 W peripherials ca 5VA Measuring range 20 50 C Protection IP20 Sensor accuracy according to DIN IEC 751 Class B Output heating 1x solid state relay zero switching for AC load 24 V AC against G0...

Page 3: ...ller into default state and sets bus address to 1 baud rate to 9600 To init proceed as follows connect the device over RS485 to a PC with ModComTool config tool set INIT to ON apply power use only the connector without bottom find the controller in the tool Scan set INIT to OFF in the ModComTool tool open the controller window click the Init button in the tool remove and apply power Installation U...

Page 4: ...ot at the top nor bottom Settings Temperature correction Push the right button to increase setpoint push the left button to decrease setpoint The maximum correction range can be modified over the bus e g with the ModComTool configuration tool Sunblind controls Push the up down button shortly to change the slat angle Hold the up down button 1 5 s to travel the sunblind up down Push the down up butt...

Page 5: ...s to select another weekday After all desired events have been edited long push the central button to leave the time schedule settings The controller goes to the basic display mode also after 30 secs of user inactivity Change of setpoints and controller time Switch to the settings mode with a superlong central button push 2 5 s The controller switches to settings mode flashing thermometer icon Pus...

Page 6: ...tarting power of the controller and valve of ca 7 VA and acceptable voltage drop of max 15 the maximum cable length for 10 controllers is about 50 m If the controllers and valves are at higher distance than 50 m from the transformer or more valves are connected to the transformer max 2 valves per controller it is more suitable to supply the controllers locally The RS485 bus is galvanically separat...

Page 7: ...s All dimensions in mm RoHS notice The device contains a non rechargeable battery which backups the real time clock and part of the memory After the device is not operable please return it to the manufacturer or dispose of it in compliance with local regulations ...

Page 8: ...es domat US100 Changes in version 09 2016 Changed the format and reference to the configuration software 03 2017 Added picture and description of the installation and link on the datasheet with other colours 05 2018 Change technical data ...

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