Domat UI0 BL Series Manual de usuario

domat UI0xx 01/2017 Subject to technical changes. 1

UI0xxBL

Communicative room units and

sensors with backlight display

Summary

The UI...BL room unit range is a family of universal communicative human-

machine interface for control of HVAC units and plants, and IRC controllers. The

units communicate over Modbus RTU / RS485 and they can be used as open

system components with majority of building control system and controllers.

Compared to the old series UI09x, these types dispose of knob and display blue

backlight function and more accurate sensors.

Application

ripening and cooling boxes, datacenters, controlled climate storage rooms,

alarm messaging systems etc.

systems with fancoils, convectors, floor and radiator heating, AHUs, air

conditioning units.

control of boilers, DHW, heating circuits, building controls in general

monitoring of room temperature and humidity

with a SCADA system: temperature, humidity and status recording, remote

control.

Function

The units acquire temperature and optionally relative humidity in room, temperature

correction (knob) and required operation status which is set by push of the button or

in menu. In the configurable menu following values can be set and displayed:

-temperature, actual temperature correction

-humidity (actual value only at room units containing the humidity sensor)

-time (only display at room units with RTC)

-basic setpoint - day

-basic setpoint - night

-outside temperature for heating enable

-DHW temperature

-heating curve type (1...4)

-operation mode (Residential with Day, Night, Time schedule, Off, or Hotel /

Office with Comfort, Standby, Party, Off)

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-fan stage (Auto, Off, St.1, St. 2, St. 3)

-A/C mode (Auto, Heating, Cooling, Off, Fan only)

-weekly scheduler: 7 days, up to 6 events per day

-another 5 variables (air quality, fan speed etc.) –each has a profile where max.

and min. values, step, number of decimals, and symbol set are defined.

It is also possible to set / reset any of the LCD symbols on the display over Modbus.

The turn / push knob has three basic functions:

instant edit (turning the knob) –settings of one predefined analogue value,

usually room temperature correction

quick edit (short push) –change of predefined state, e.g. Presence (Comfort /

Standby / Off), Air condition (Auto / Heating / Cooling / Fan only / Off) etc.

long push –jump to menu where values are listed by turning the knob, short

push selects the value to be edited, and the value is changed by turning the

knob followed by short push for confirmation.

After definable inactivity time, the display goes back to its basic state with rolling

display of selected values (e.g. actual temperature and humidity).

Backlight

function

Types UI0xxBL dispose of knob and display blue backlight function. It is possible to set

brightness 0-100 % separately for knob and display. If user make some action with

knob, display and knob shine for defined time. All of the functions could be set from

Modbus master.

The unit Modbus address and functionality is defined over the RS485 interface with

service software ModComTool which is free for download at http://domat-

int.com/en/downloads/software To interface the room unit to the computer use the

USB/485 converter M080, RS232/RS485 converter R012, or any suitable RS485

converter.

domat UI0xx 01/2017 Subject to technical changes. 3

____________________________________________________________________

Technical data

Power supply

24 V AC +/- 20%, 1 W

Temperature measuring range

-20 ... 70 °C (accuracy ±1 ˚C)

Humidity measuring range

digital sensor 10 ÷ 90 %rH accuracy ±3%

Protection

IP20

Inputs (specific types only, see table below)

2x potential-free contact (dry contact) against G0,

24 V AC, 5 mA

Outputs (specific types only, see table below)

1x - 2x solid state relay, zero switching, for AC load

24 V AC, max. 0.4 A, AC1, general usage, non-

inductive load according to EN 60947-4-1,

galvanic isolation 1.5 kV

Setpoint

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

Communication

RS485 - Modbus RTU, slave

selectable speed 1200 ... 115200 bps, parity and

bits are set in service SW

default 9600/N/8/1

The interface is optically separated 1 kV (except

for UI010 and UI010BL).

Display

LCD 60 x 60 mm, symbol set see above

Terminals

recommended wire cross-section 0,14 –1,5 mm2

Cover

ABS, RAL9010, other colours

Weight

0,13 kg

Dimensions

90 x 115 x 30 mm, see below

Ambient conditions

According to DIN EN 60721-3-3. Climate class 3K5

(-5 to +45 ° C, 5% to 95% RH non-condensing

humidity)

Storage conditions

According to DIN EN 60721-3-1 Climatic class 1K3

(-5 to +45 ° C, 5% to 95% non-condensing relative

humidity).

Standards conformity

EMC ed.3 EN 61000-6-2: 2005, EN 55022 ed.3:

2010 (industrial environment)

Electrical safety EN 60950-1 ed.2: 2006 + A11:

2009 + A12: 2011 + A1: 2010 + A2: 2014 + Opr.1:

2012

Restriction of hazardous substances EN 50581:

2012

EU legislation

Council Directive 2014/35/EC, The Low Voltage

Directive (LVD)

Council Directive 2014/30/EC, Electromagnetic

Compatibility (EMC) Directive

Council Directive 2011/65/EC, RoHS2 Directive

4 01/2017 Subject to technical changes. domat UI0xx

Terminals

As seen when removing the display part.

The wiring goes towards the center of the

unit so that the cable can be brought

through the aperture in the middle of the

bottom part.

UI010BL, UI0x1BL (no hardware inputs /

outputs)

1: NC not connected

2: NC not connected

3: K- communication RS485 -

4: K+ communication RS485 +

5: G0 power –common point

6: G0 power –common point

7: G power

8: -- connector not installed

9: -- connector not installed

UI0x2BL (2 binary inputs, one binary SSR

output)

1: DI1 input1

2: DI2 input2

3: DO1 output 1, 24 V AC against G0

4: NC not connected

5: G0 power, output –common point

6: G0 power, output –common point

7: G power

8: K- communication RS485 -

9: K+ communication RS485 +

UI020BL, UI0x5BL (2 binary inputs, 2

binary SSR outputs)

1: DI1 input 1

2: DI2 input 2

3: DO1 output 1, 24 V AC against G0

4: DO2 output 2, 24 V AC against G0

5: G0 power, outputs, inputs –

common point

6: G0 power, outputs, inputs –

common point

7: G power

8: K- communication RS485 -

9: K+ communication RS485 +

domat UI0xx 01/2017 Subject to technical changes. 5

Type table

Type

LCD

Knob

RTC

Type

UI010BL



UI011BL



UI012BL



UI020BL



UI051BL



UI052BL



UI055BL



Units with no knobs are used as indicators, optionally with remote controlled inputs /

outputs. Process control algorithms (activating of the outputs by increased / decreased

temperature, humidity etc.) must be implemented in a master controller.

Installation

Units are intended for operating in a normal and chemically non-aggressive

environment. They do not need any servicing or maintenance. Install them in a vertical

position at places where they can be operated easily and measure correct values of

temperature and humidity, 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 there is an aperture for

cabling. The bottom should be installed and cabling connected first, and the upper part

inserted after the construction works have been finished to prevent damage to the unit.

Opening the

cover

When removing the display part, proceed as follows:

-press gently the side parts of the unit and pull the right of the display part by

several milimeters

-pull the left of the display part

-pull the display part and remove it from the bottom.

Do not bend the display part too much, the connector pins could be damaged. The locks

are only at the sides of the display part, not at the top nor bottom.

6 01/2017 Subject to technical changes. domat UI0xx

Dimensions

All dimensions in mm.

Display

Over Modbus, it is possible to set / reset

the complete symbol set except for the 7

segment digits, „Error“ and „Setting“

texts, and symbols of °C, °F, %, and rH.

Those are part of the configurable menu

profiles. The register description is

available in a separate document Room

units UI... –Communication description.

LCD symbol set (see in the picture).

domat UI0xx 01/2017 Subject to technical changes. 7

DIP switches

Back of the PCB

BUS END: if ON, the bus is terminated (if

last device on the line)

USR: not used, reserved for future

applications

INIT: sets the controller 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 the 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, open the controller

window

- click the Init button in the tool

- remove and apply power

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.

8 01/2017 Subject to technical changes. domat UI0xx

Changes in

version

01/2017 —The first datasheet version.

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