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Transfer protocol

Temperature Sensor KNX T-UN

• Version: 27.01.2020 • Technical changes and errors excepted.

Transfer protocol

Units:

Temperatures in degrees Celsius

4.1.

List of all communications objects

Abbreviation flags:

Communication

Read

W Write
T

Transfer

Update

No.

Text

Function

Flags

Size

External measured temperature value

Input

-WC-

2 bytes

Internal measured temperature value

Output

R-CT

2 bytes

Complete-Temperature measured value

Output

R-CT

2 bytes

Requirement min./max.
Temperature measured value

Input

-WC-

1 bit

Minimum measured value for
temperature

Output

R-CT

2 bytes

Maximum temperature measured value

Output

R-CT

2 bytes

Reset min./max. Temperature measured
value

Input

-WC-

1 bit

Sensor malfunction

Output

R-CT

1 bit

Reserve

Output

R-CT

1 bit

Temp. threshold value 1: Absolute value

Input/Output

RWCT

2 bytes

Temp. threshold value 1: (1:+ | 0: -)

Input

-WC-

1 bit

Temp. threshold value 1: Switching
output

Output

R-CT

1 bit

Temp. threshold value 1: Switching
output block

Input

-WC-

1 bit

Temp. threshold value 2: Absolute value

Input/Output

RWCT

2 bytes

Temp. threshold value 2: (1:+ | 0:-)

Input

-WC-

1 bit

Temp. threshold value 2: Switching
output

Output

R-CT

1 bit

Temp. threshold value 2: Switching
output block

Input

-WC-

1 bit

Temp. threshold value 3: Absolute value

Input/Output

RWCT

2 bytes

Temp. threshold value 3: (1:+ | 0: -)

Input

-WC-

1 bit

Temp. threshold value 3: Switching
output

Output

R-CT

1 bit

Содержание KNX T-UN 130

Страница 1: ...EN Installation and Adjustment KNXT UN 130 Temperature Sensor Item number 70220 ...

Страница 2: ......

Страница 3: ...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 1...

Страница 4: ...leshooting 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 i...

Страница 5: ...s 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 d...

Страница 6: ...he 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...

Страница 7: ...ts 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 co...

Страница 8: ...d 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...

Страница 9: ...rature 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 b...

Страница 10: ...oint 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 contro...

Страница 11: ... 91 AND logic 2 8 bit output B R CT 1 byte 92 AND logic 3 Switching output R CT 1 bit 93 AND logic 3 8 bit output A R CT 1 byte 94 AND logic 3 8 bit output B R CT 1 byte 95 AND logic 4 Switching output R CT 1 bit 96 AND logic 4 8 bit output A R CT 1 byte 97 AND logic 4 8 bit output B R CT 1 byte 98 OR logic 1 Switching output R CT 1 bit 99 OR logic 1 8 bit output A R CT 1 byte 100 OR logic 1 8 bit...

Страница 12: ...ds 5 2 General settings Configure the parameter display for the Temperature Sensor KNX T UN as follows Set the basic data transfer characteristics and activate the malfunction object as re quired 5 3 Temperature measured value Use Offsets to adjust the readings to be sent Use parameters and objects for the humidity sensor No Type of logic Logic for temperature sensor Use parameters and objects for...

Страница 13: ...values for temperature 5 4 1 Temperature threshold value 1 4 Temperature threshold value The threshold value can be directly set in the application program using parameters or via the bus using a communications object Threshold value setpoint using parameter Set the threshold values and hysteresis directly Use external reading Yes No Ext Reading proportion of the total reading 5 10 50 100 Internal...

Страница 14: ...when a threshold value is exceeded under cut The output switching delay can be set using objects or directly as a parameter Temperature threshold value specification per Parameter Communications objects The last communicated value should never be retained be retained after power restoration be retained after power restoration and programming Start temperature threshold value in 0 1 C valid until f...

Страница 15: ...ure blocking object before first call 0 1 Behaviour of the switching output On block Do not send message send 0 send 1 On release with 2 seconds release delay Dependent on the Switching output sends setting Switching output sends on change Do not send message Send switching output status Switching output sends on change to 1 Do not send message if switching output 1 send 1 Switching output sends o...

Страница 16: ...1 Releasing regulation Blocking object value before first call 0 1 Transmit control variable on change on change and periodically Send cycle is sent only if periodically is selected 5 s 5 min 2 h Specified setpoint using Parameter Communications object Specified setpoint using Parameter Setpoint in 0 1 C 300 800 200 Specified setpoint using Communications object The last communicated value should ...

Страница 17: ...shows how quickly the controller responds to deviations from the target value In case of a short reset time the control responds with a fast increase of the con trol variable In case of a long reset time the control responds somewhat less urgently and needs longer until the necessary control variable for the target value deviation is reached You should set the time appropriate to the heating syste...

Страница 18: ...or OFF Enter the hysteresis that prevents frequent on off switching of temperatures in the threshold range Then set whether a 1 bit object on off or an 8 bit object on with per centage off should be used Control type only for second stage PI control Setting of the controller by Controller parameter specified applications Application Warm water heating Floor heating Convection unit Electric heating...

Страница 19: ...e parameters for PI control Specify the deviation from the set point value which reaches maximum variable value i e the point at which maximum cooling power is activated The reset time shows how quickly the controller responds to deviations from the target value In case of a short reset time the control responds with a fast increase of the con trol variable In case of a long reset time the control...

Страница 20: ...atures in the threshold range Then set whether a 1 bit object on off or an 8 bit object on with per centage off should be used When blocked the control variable shall not be sent send a specific value Value in only if a value is sent 0 100 Control type only for second stage PI control Setting of the controller by Controller parameter specified applications Application Cooling ceiling Maximum contr...

Страница 21: ...lue Value only if a value is sent 0 1 Use night reduction No Yes Use night reduction Yes Night reduction for object value 1 active 0 inactive 0 active 1 inactive Activation object value before first call 0 1 Specified setpoint using Parameter Setpoint heating in 0 1 C if the heating regulator is being used 300 800 180 Setpoint cooling in 0 1 C if the cooling regulator is being used 300 800 260 Spe...

Страница 22: ... call if the cooling regulator is being used and only if the last retained value is not retained or retained after power restora tion 300 800 260 Limitation of object value C min r n in 0 1 C 300 800 240 Limitation of object value C max r n in 0 1 C 300 800 300 Type of setpoint value change Absolute value Increase Decrease Step size only when increasing decreasing 0 1 C 0 2 C 0 3 C 0 4 C 0 5 C 1 C...

Страница 23: ...bject logic input 3 inverted Logic 1 2 3 4 not active active 1 2 3 4 Input do not use all switching events which are available to the sensor see AND logic connection inputs Page 21 Logic output never sends sends one 1 bit object sends two 8 bit objects Logic output sends one 1 bit object if logic 1 object value 0 1 if logic 0 object value 0 1 Logic output sends two 8 bit objects If logic 1 Object ...

Страница 24: ...eshold value 1 Temperature threshold value 1 inverted Temperature threshold value 1 Temperature threshold value 1 inverted Temperature threshold value 1 Temperature threshold value 1 inverted Temperature threshold value 1 Temperature threshold value 1 inverted Temperature threshold value 1 Temperature threshold value 1 inverted Sensor malfunction Sensor malfunction inverted 5 6 3 OR logic connecti...

Страница 25: ......

Страница 26: ...mbH Control and Automation Engineering Sohlengrund 16 75395 Ostelsheim Phone 49 0 70 33 30 945 0 info elsner elektronik de Germany Fax 49 0 70 33 30 945 20 www elsner elektronik de Technical support 49 0 70 33 30 945 250 ...

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