Elsner elektronik KNX T-UN 130 Guide

Installation and Adjustment

KNX T-UN 130

Temperature Sensor

Item number 70220

1 Contents

Elsner Elektronik GmbH • Sohlengrund 16 • 75395 Ostelsheim • Germany

Temperature Sensor KNX T-UN 130

Version: 27.01.2020 • Errors excepted. Subject to technical changes.

1. Description ........................................................................................... 3

1.1. Technical specifications ........................................................................................... 3

2. Installation and commissioning ........................................................... 4

2.1. Installation notes ...................................................................................................... 4

2.2. Installation position .................................................................................................. 5

2.3. Mounting and connection ....................................................................................... 5

2.3.1. Composition of the sensor ........................................................................... 5

2.3.2. Connection of the sensor ............................................................................. 6

2.4. Notes on mounting and commissioning ................................................................ 6

3. Addressing of the device at the bus .................................................... 6

4. Transfer protocol ................................................................................. 7

4.1. List of all communications objects ......................................................................... 7

5. Parameter settings ............................................................................. 10

5.1. Behaviour on power failure/ power restoration .................................................. 10

5.2. General settings ..................................................................................................... 10

5.3. Temperature measured value ............................................................................... 10

5.4. Temperature threshold values .............................................................................. 11

5.4.1. Temperature threshold value 1...4 ............................................................ 11

5.5. Temperature PI controller ...................................................................................... 13

5.6. Logic ........................................................................................................................ 20

5.6.1. AND and/or OR logic 1 / 2 / 3 / 4 ................................................................ 21

5.6.2. AND logic connection inputs ..................................................................... 21

5.6.3. OR logic connection inputs ........................................................................ 22

2 Clarification of signs

This manual is amended periodically and will be brought into line with new software

releases. The change status (software version and date) can be found in the contents footer.

If you have a device with a later software version, please check

www.elsner-elektronik.de in the menu area "Service" to find out whether a more up-to-

date version of the manual is available.

Clarification of signs used in this manual

Installation, inspection, commissioning and troubleshooting of the device

must only be carried out by a competent electrician.

Safety advice.

Safety advice for working on electrical connections, components,

etc.

DANGER! ... indicates an immediately hazardous situation which will lead to

death or severe injuries if it is not avoided.

WARNING! ... indicates a potentially hazardous situation which may lead to

death or severe injuries if it is not avoided.

CAUTION! ... indicates a potentially hazardous situation which may lead to

trivial or minor injuries if it is not avoided.

ATTENTION! ... indicates a situation which may lead to damage to property if it is

not avoided.

ETS In the ETS tables, the parameter default settings are marked by

underlining.

3 Description

Temperature Sensor KNX T-UN 130 • Status: 27.01.2020 • Technical changes reserved. Errors reserved.

1. Description

The Temperature Sensor KNX T-UN 130 consists of evaluation electronics and

measuring sensor. The sensor measures temperature in indoor and outdoor areas. The

sensor can receive an external measured value via the bus and process it with the own

data to an overall temperature (mixed value).

The KNX T-UN 130 provides four switching outputs with adjustable threshold values

as well as additional AND and OR logic gates. The sensor has got a PI controller for

heating and cooling.

Functions:

•Measurement of temperature

•Mixed value from own measured value and external value (proportions can

be set in percentage)

•PI controller for heating (one or two step) and cooling (one or two step)

•Threshold values can be adjusted per parameter or via communication

objects

•4 AND and 4 OR logic gates with each 4 inputs. Every switching incident as

well as 8 logic inputs (in the form of communication objects) may be used as

inputs for the logic gates. The output of each gate may optionally be configured

as 1 bit or 2 x 8 bits

Configuration is made using the KNX software ETS. The product file can be down-

loaded from the Elsner Elektronik website on www.elsner-elektronik.de in the “Ser-

vice” menu.

1.1. Technical specifications

Housing Plastic material, sensor sleeve metal

Colour Housing white, cable black

Installation Mounting

Protection category meas.

sensor

IP 68

Dimensions evaluation

electronics

approx. 38 x 47 x 24 (W x H x D, mm)

Dimensions measuring

sensor

length sensor sleeve approx. 20 mm,

diameter approx. 6 mm,

cable length approx. 300 cm

Ambient temperature Evaluation electronics:

Operation -20…+70 °C, storage -55…+150°C

Measuring sensor and cable:

Operation -30…+130 °C, storage -55…+150°C

Ambient air humidity Evaluation electronics: max. 95% R. H., avoid bedewing

Operating voltage KNX bus voltage

Bus current max. 8 mA

Data output KNX +/- bus terminal plug

4 Installation and commissioning

Temperature Sensor KNX T-UN 130 • Status: 27.01.2020 • Technical changes reserved. Errors reserved.

The product conforms with the provisions of EU directives.

2. Installation and commissioning

2.1. Installation notes

Installation, testing, operational start-up and troubleshooting should

only be performed by an electrician.

CAUTION!

Live voltage!

There are unprotected live components inside the device.

• National legal regulations are to be followed.

• Ensure that all lines to be assembled are free of voltage and take

precautions against accidental switching on.

• Do not use the device if it is damaged.

• Take the device or system out of service and secure it against

unintentional use, if it can be assumed, that risk-free operation is no

longer guaranteed.

The device is only to be used for its intended purpose. Any improper modification or

failure to follow the operating instructions voids any and all warranty and guarantee

claims.

After unpacking the device, check it immediately for possible mechanical damage. If it

has been damaged in transport, inform the supplier immediately.

The device may only be used as a fixed-site installation; that means only when assem-

bled and after conclusion of all installation and operational start-up tasks and only in

the surroundings designated for it.

Elsner Elektronik is not liable for any changes in norms and standards which may occur

after publication of these operating instructions.

BCU type Own micro controller

PEI type 0

Group addresses max. 184

Allocations max. 184

Communication objects 80

Measurement range -30…+130°C

Accuracy at +25°C housing

temperature of evaluation

electronics

Sensor temperature Max. difference of measured

value

±0°C ± 1.0°C

-30…+25°C ± 1.5°C

-30…+70°C ± 2.5°C

-30…+130°C ± 4.0°C

5 Installation and commissioning

Temperature Sensor KNX T-UN 130 • Status: 27.01.2020 • Technical changes reserved. Errors reserved.

2.2. Installation position

The evaluation electronics of the sensor is installed in a socket. When selecting an in-

stallation location for the measuring sensor, please ensure that the measurement re-

sults are affected as little as possible by external influences. Possible sources of inter-

ference include:

• Direct sunlight

• Drafts from windows and doors

• Warming or cooling of the building structure on which the sensor is mounted,

e.g. due to sunlight, heating or cold water pipes

• Connection lines which lead from warmer or colder areas to the sensor

Temperature variations from such sources of interference must be corrected in the ETS

in order to ensure the specified accuracy of the sensor (temperature offset).

2.3. Mounting and connection

2.3.1. Composition of the sensor

1 Slot for KNX terminal +/-

2 Programming LED

3 Programming button for teaching the instrument

4 Connection clamp for measuring sensor

5 Connection cable measuring sensor

6 Sensor tip (measuring sensor)

6 Addressing of the device at the bus

Temperature Sensor KNX T-UN 130 • Status: 27.01.2020 • Technical changes reserved. Errors reserved.

2.3.2. Connection of the sensor

Connect the cable of the measuring sensor to the evaluation electronics (connection is

reverse polarity protected). The cable connection may be extended up to 10 m maxi-

mum.

2.4. Notes on mounting and commissioning

Never expose the device to water (e.g. rain) or dust. This can damage the electronics.

You must not exceed a relative humidity of 95%. Avoid condensation.

After the bus voltage has been applied, the device will enter an initialisation phase last-

ing a few seconds. During this phase no information can be received or sent via the

bus.

3. Addressing of the device at the bus

The device is supplied with the bus address 15.15.255. You can program another ad-

dress into the ETS by overwriting the 15.15.255 address or by teaching via the pro-

gramming button.

7 Transfer protocol

Temperature Sensor KNX T-UN • Version: 27.01.2020 • Technical changes and errors excepted.

4. Transfer protocol

Units:

Temperatures in degrees Celsius

4.1. List of all communications objects

Abbreviation flags:

C Communication

R Read

WWrite

T Transfer

UUpdate

No. Text Function Flags Size

0 External measured temperature value Input -WC- 2 bytes

1 Internal measured temperature value Output R-CT 2 bytes

2 Complete-Temperature measured value Output R-CT 2 bytes

3 Requirement min./max.

Temperature measured value

Input -WC- 1 bit

4 Minimum measured value for

temperature

Output R-CT 2 bytes

5 Maximum temperature measured value Output R-CT 2 bytes

6 Reset min./max. Temperature measured

value

Input -WC- 1 bit

7 Sensor malfunction Output R-CT 1 bit

8 Reserve Output R-CT 1 bit

9 Temp. threshold value 1: Absolute value Input/Output RWCT 2 bytes

10 Temp. threshold value 1: (1:+ | 0: -) Input -WC- 1 bit

11 Temp. threshold value 1: Switching

output

Output R-CT 1 bit

12 Temp. threshold value 1: Switching

output block

Input -WC- 1 bit

13 Temp. threshold value 2: Absolute value Input/Output RWCT 2 bytes

14 Temp. threshold value 2: (1:+ | 0:-) Input -WC- 1 bit

15 Temp. threshold value 2: Switching

output

Output R-CT 1 bit

16 Temp. threshold value 2: Switching

output block

Input -WC- 1 bit

17 Temp. threshold value 3: Absolute value Input/Output RWCT 2 bytes

18 Temp. threshold value 3: (1:+ | 0: -) Input -WC- 1 bit

19 Temp. threshold value 3: Switching

output

Output R-CT 1 bit

8 Transfer protocol

Temperature Sensor KNX T-UN • Version: 27.01.2020 • Technical changes and errors excepted.

20 Temp. threshold value 3: Switching

output block

Input -WC- 1 bit

21 Temp. threshold value 4: Absolute value Input/Output RWCT 2 bytes

22 Temp. threshold value 4: (1:+ | 0: -) Input -WC- 1 bit

23 Temp. threshold value 4: Switching

output

Output R-CT 1 bit

24 Temp. threshold value 4: Switching

output block

Input -WC- 1 bit

25 Temp. controller: Switching object

(0:Heating | 1:Cooling)

Input -WC- 1 bit

26 Temp. controller: Current setpoint Output R-CT 2 bytes

27 Temp. controller: Blocking object Input -WC- 1 bit

28 Temp. controller: Setpoint, daytime Input/Output RWCT 2 bytes

29 Temp. controller: Setpoint, day (1:+ | 0: -) Input -WC- 1 bit

30 Temp. controller: Setpoint, daytime

(cooling)

Input/Output RWCT 2 bytes

31 Temp. controller: Setpoint, daytime

(cooling) (1:+ | 0: -)

Input -WC- 1 bit

32 Temp. controller: Control variable,

heating (level 1)

Output R-CT 1 byte

33 Temp. controller: Control variable,

heating (level 2)

Output R-CT 1 byte

34 Temp. controller: Control variable,

heating (level 2)

Output R-CT 1 bit

35 Temp. controller: Control variable,

cooling

Output R-CT 1 byte

36 Temp. controller: Control variable,

cooling (level 2)

Output R-CT 1 byte

37 Temp. controller: Control variable,

cooling (level 2)

Output R-CT 1 bit

38 Temp. controller: Night-time reduction

activation

Input -WC- 1 bit

39 Temp. controller: Heating setpoint, night Input/Output RWCT 2 bytes

40 Temp. controller: Heating setpoint, night

(1:+ | 0:-)

Input -WC- 1 bit

41 Temp. controller: Cooling setpoint, night Input/Output RWCT 2 bytes

42 Temp. controller: Cooling setpoint, night

(1:+ | 0:-)

Input -WC- 1 bit

43 Temp. controller: Heating status (1=ON |

0=OFF)

Output R-CT 1 bit

44 Temp. controller: Heating 2 (1=ON |

0=OFF)

Output R-CT 1 bit

45 Temp. controller: Cooling status (1=ON |

0=OFF)

Output R-CT 1 bit

No. Text Function Flags Size

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