
domat UC220
03/2017 Subject to technical changes.
2
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,
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 +