Elsner elektronik KNX T-B-UP Manual de usuario

Technical specifications and installation instructions

Article numbers 70358, 70359, 70360, 70361

Elsner Elektronik GmbH Control and Automation Engineering

Sohlengrund 16

D - 75395 Ostelsheim Phone +49 (0) 70 33 / 30 945-0 [email protected]

Germany Fax +49 (0) 70 33 / 30 945-20 www.elsner-elektronik.de

KNX T-B-UP

Temperature sensor

Technical Service: +49 (0) 70 33 / 30 945-250

2 Description

Temperature sensor KNX T-B-UP • Software version 3.1 and higher

Status: 21/03/2016 • Technical changes and errors excepted.

1. Description

The Temperature sensor KNX T-B-UP measures the room temperature. Via the bus,

the sensor receives an external measuring value and processes it to an overall temper-

ature (composite result) together with its own data. The KNX T-B-UP features two but-

tons that may be used to modify the room temperature (nominal temperature), to

switch between the operating modes or as freely programmable bus buttons.

The KNX T-B-UP provides three switched outputs whose threshold values can be ad-

justed. Switched outputs and other communication objects may be linked via AND and

OR logic gates. In addition, an integrated control variable comparator compares and

outputs variables that were received via communication objects. The sensor features

a PI control for heating and cooling.

The integrated display shows own value as well as data received via the bus

(e.g. date, time of day). The housing is supplemented with a frame of the switch series

used in buildings, and thus fits seamlessly into the interior fittings.

Functions:

•Temperature measurements

•Composite value from own measured value and external value (proportions

are adjusted as a percentage)

•Display 1-3 lines (measured value or values received via bus) or display for

temperature control (see also Mode display and manual temperature

controller, page 6)

•2 buttons. Configuration as a bus button or to modify the nominal

temperature and to switch between the operation modes (see also Change

ambient temperature with the buttons, page 8)

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

according to temperature. Regulation according to separate setpoints or basic

setpoint temperature

•3 switched outputs with variable threshold values (thresholds are set

optionally by parameters or via communication objects)

•8 AND and 8 OR logic gates, each with 4 inputs. All switching events as well

as 16 logic inputs (in the form of communications objects) are used as inputs

for the logic gates. The output from each gate can be configured optionally as

1-bit or 2 x 8-bit

•2 control variable comparators to output minimum, maximum or average

values. 5 inputs each for values received via communication objects

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

loaded from the Elsner Elektronik homepage on www.elsner-elektronik.de in the

“Service” menu.

3 Description

Temperature sensor KNX T-B-UP • Software version 3.1 and higher

Status: 21/03/2016 • Technical changes and errors excepted.

1.1. Deliverables

• Housing with display and sensor board

• Baseplate

Additionally required (not included in the deliverables):

• Junction box Ø 60 mm, 42 mm depth

• Frame (for insert 55 x 55 mm), compatible with the switch scheme used in the

building

1.2. Technical specifications

* Please note the information on Measuring accuracy, page 4

The product is compliant with the provisions of EU guidelines.

Housing Plastic (partially painted)

Colours • White, glossy (similar to RAL 9016 Traffic White)

• Matt aluminium

• Charcoal, matt

• Stainless steel

• Special colours on request

Assembly Flush mounting

(Wall mounting in junction box Ø 60 mm, 42 mm

depth)

Protection category IP 20

Dimensions Housing approx. 55 x 55 (W x H, mm),

Mounting depth approx. 15 mm

Baseplate approx. 71 x 71 (W x H, mm),

Total weight approx. 50 g

Ambient temperature Operation -10…+50°C, storage -20…+60°C

Ambient humidity max. 95% RH, avoid condensation

Operating voltage KNX bus voltage

Bus current max. 6 mA,

max. 10 mA when programming LED active

Data output KNX +/- bus plug-in terminals

BCU type Integrated microcontroller

PEI type 0

Group addresses max. 254

Assignments max. 254

Communication objects 176

Measurement range -40…+80°C

Resolution 0.1°C

Accuracy* ±0.5°C at -40…+25°C

±1.5°C at -40…+45°C

4 Installation and start-up

Temperature sensor KNX T-B-UP • Software version 3.1 and higher

Status: 21/03/2016 • Technical changes and errors excepted.

1.2.1. Measuring accuracy

Measurement variations from sources of interference (see chapter Installation posi-

tion) must be corrected in the ETS in order to ensure the specified accuracy of the sen-

sor (offset).

When measuring temperature, the self-heating of the device is considered by the

electronics. The heating is compensated by reducing the measured temperture by the

self-heating of 1.8°C. The indicated indoor temperature measured value approches the

actual room temperature during a 2 hours heating period.

2. Installation and start-up

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.

2.2. Installation position

The sensor will be installed concealed within a socket (Ø 60 mm, 42 mm deep).

5 Installation and start-up

Temperature sensor KNX T-B-UP • Software version 3.1 and higher

Status: 21/03/2016 • Technical changes and errors excepted.

The sensor may be installed and operated in dry interior rooms

only. Avoid condensation.

When selecting an installation location, please ensure that the measurement results

are affected as little as possible by external influences. Possible sources of interference

include:

• Direct sunlight

• Drafts from windows and doors

• When mounted in-wall: Draft from ducts which lead from other rooms to the

junction box in which the sensor is mounted

• 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. Construction of the sensor

2.3.1. Housing

Fig. 1

1 Baseplate

2Catches

3 Openings for air circulation

4Key

5 Programming LED (recessed)

6 Programming button

(recessed) for teaching the

device

7Key

8 Openings for air circulation

6 Display and operation at the device

Temperature sensor KNX T-B-UP • Software version 3.1 and higher

Status: 21/03/2016 • Technical changes and errors excepted.

2.3.2. Rear view sensor plate with connection

2.4. Assembly of the sensor

First of all fit the socket with connection. Seal inlet pipes to avoid infiltration.

Then screw the base plate onto the socket and position the frame of the switching pro-

gramme. Connect the bus line +/- (black-red plug) to the terminals provided on the sen-

sor board of the sensor. Pin the sensor with the notches on to the metal frame, so that

sensor and frame are fixed.

2.5. 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. Display and operation at the device

Specifications for the display are set in the ETS and the use of the push buttons is per-

mitted or disabled.

Basically the display can show a two-row or three-row text (e. g. for measured values)

or a tempertuare controller. You can switch between the two types by pressing one of

the buttons, if this has not been disabled in the ETS.

3.1. Mode display and manual temperature

controller

Depending on the ETS setting selected, the mode display will only display show the

current target value, or the base target value setting with scale display. The manually

adjustable range can be set in the ETS.

Fig. 2

1 KNX terminal BUS +/-

2 Catches

7 Display and operation at the device

Temperature sensor KNX T-B-UP • Software version 3.1 and higher

Status: 21/03/2016 • Technical changes and errors excepted.

The following display options are available:

Symbols

Comfort mode.

Comfort (present) target temper-

ature will be used.

Standby mode.

Standby (absent during day) tar-

get temperature will be used.

Fig. 3

Mode display with current target value and/or base tar-

get value

Fig. 4

Mode display with scale display for adjusting the base

target value.

The control position in the image reads "Base target val-

ue reduced".

Fig. 5

Mode display with scale display and number.

Shows the set target value change.

The control position in the image reads "Base target val-

ue reduced to 1.0°".

Fig. 6

Mode display with scale display and range.

Shows the possible adjustment range (as set in the ETS).

The control position in the image reads "Base target val-

ue reduced".

Fig. 7

Mode display with scale display, range and number.

Displays the possible adjustment range (as set in the

ETS) and the set target value change.

The control position in the image reads "Base target val-

ue reduced to 1.0°".

8 Display and operation at the device

Temperature sensor KNX T-B-UP • Software version 3.1 and higher

Status: 21/03/2016 • Technical changes and errors excepted.

Priority (points)

One point: Priority 1/priority control. It is not possible to adjust the temperature auto-

mation system manually. Neither the target temperature nor the operating modes can

be changed using the buttons on the unit.

Two points: Priority 2. The target temperature and operating mode can be changed us-

ing the buttons.

3.2. Change ambient temperature with the

buttons

If the mode display is active, the target ambient temperature and the operating mode

can be changed manually using the buttons. The button functions can be blocked in

the ETS or be suppressed for Priority 1 operating modes. The individual operating

modes can also be locked for manual selection in the ETS.

Eco mode.

Night target temperature will be

used.

Building protection mode.

Building protection target tem-

perature will be used. The sym-

bol will blink when the mode

has been activated but the acti-

vation delay has not yet expired.

Heating mode.

Heating will be provided.

Cooling mode

Cooling will be provided.

Decrease target

temperature (-)

briefly press

left button

Ambient temperature in the current

mode is decreased.

The sep-size is defined in the ETS

(0.1°C to 5°C).

Increase target

temperature (+)

briefly press

right button

Ambient temperature in the current

mode is increased.

The sep-size is defined in the ETS

(0.1°C to 5°C).

Fig. 8

In "HVAC mode with 2x 8 bits" control mode, points are

shown under the symbol, to indicate the running priority

of the current mode.

9 Display and operation at the device

Temperature sensor KNX T-B-UP • Software version 3.1 and higher

Status: 21/03/2016 • Technical changes and errors excepted.

Change mode press

left or right button

longer than 2 secs.

Changes between the operating

modes Comfort, Standby, Eco and

Building Protection (if deblocked in

the ETS).

Extend Comfort

mode

in Eco mode:

press both buttons

at the same time

longer than 2 secs.

Switches from Eco to Comfort mode

again for a certain time (e. g. if the

rooms are used longer in the

evening).

The period is defined in the ETS (up

to 10 hours). The time remaining in

Comfort mode is displayed.

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