domat UC220 Manual Download Page 2

 

domat UC220 

03/2017 Subject to technical changes. 

Technical data 
 

Power 

16...35 V DC (typical 24 V DC) 

Consumption 

1400 mVA 

Measuring range 

-20 ÷ 70 °C 

Protection 

IP20 

Sensor accuracy 

+/- 1,5 K (with software correction) 

Inputs 

Input current 
Input voltage 

for dry contact 

2.4 mA 
24 V DC, derived from the power voltage 

Outputs 

Maximum output current 
Short-circuit current 
Resolution 

2x 0...10 V DC 

10 mA (corresponding to 1 kOhm load) 
50 mA, tolerant to permanent short-circuit 
10 bit D/A converter 

Setpoint correction 

according to configuration, +/- 10 to +/- 1 K 

Communication 

RS485 separation 
Baud rate 

2 wire RS485 - Modbus RTU slave 

optically separated up to 1000 V  
selectable, 1200...9600...115200 bps 

Display 

LCD, 60 x 60 mm 

Terminals 

screw terminals for 0,14 – 1,5 mm

2

 wires 

Cover 

ABS, RAL9010

other colours

 

Weight 

0,13 kg 

Dimensions 

see below 

 

 

 

Terminals 
 
 

1

2

3

4

5

6

7

8

9

 

 
 

Terminals  as seen from above in the  bottom 
part: 
 
1: DI1   presence input (active by connecting 
to G0) 
2: DI2   window  contact  input  (active  by 
connecting to G0) 
3: AO1   0...10 V heating output  
4: G0   power -, output – reference point 
5: AO2   0...10 V cooling output  
6: G0   power -, output – reference point  
7: G 

 power + 

 
 
8: K- 

 communication RS485 - 

9: K+   communication RS485 + 

Summary of Contents for UC220

Page 1: ...s set by short push of the knob The room temperature is measured in the range of 20 to 70 C Measured and set values are processed in a PI algorithm which is brought to sequence block and two 0 10 V DC outputs All values are displayed on a large LCD display The functionality and control parameters i e P and I constants and hysteresis can be set with ModComTool the configuration software which is fr...

Page 2: ...nt correction according to configuration 10 to 1 K Communication RS485 separation Baud rate 2 wire RS485 Modbus RTU slave optically separated up to 1000 V selectable 1200 9600 115200 bps Display LCD 60 x 60 mm Terminals screw terminals for 0 14 1 5 mm2 wires Cover ABS RAL9010 other colours Weight 0 13 kg Dimensions see below Terminals 1 2 3 4 5 6 7 8 9 Terminals as seen from above in the bottom pa...

Page 3: ...sure correct values of temperature i e in the height of about 150 cm with no direct sunlight or other heat cool source AHU outlets refridgerator electrical appliances The device consists of two parts bottom with screw terminal block and cover containing PCB display and the knob The bottom part is fixed by 2 or 4 screws to any flat surface or a flush mounting box Ø 50 mm At the back of the bottom t...

Page 4: ...he weekday 1 to 7 Then short push to confirm the selection Turn the knob to select the event large number 1 to 6 Each event displays the mode activated by this event Short push to confirm the event selection Turn the knob to select the operation mode Day Night Off Event inactive invoked by this event If the event is not active the operation mode is not changed at the set time Short push to confirm...

Page 5: ... are flashing Setpoint temp Cooling Off mode Temperature Cooling Empty house are flashing Select the requested value by a short push Turn knob to change value Confirm by a short push again If there is no user activity for 30 secs the controller goes to the basic display mode Default values The default values as well as all other settings PI parameters address baud rate can be set by the configurat...

Page 6: ...5 cable A terminal is designed for maximum 3 wires of 0 8 mm2 Temperature compensation After switching the unit on allow about 90 mins to dissipate the heat inside of the housing Then the sensor is measuring correctly Do not change the sensor correction variable immediately after powering the device on RoHS notice The device contains a non rechargeable battery which backups the real time clock and...

Page 7: ...to technical changes 7 Changes in versions 09 2016 Changed reference to the configuration software and deleted Related products 03 2017 Added picture and description of the installation and link on the datasheet with other colours ...

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