Technical Data - Thermokon LCF02 Touch 3AO2DO Datasheet

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REMARKS TO ROOM SENSORS
Location and Accuracy of Room Sensors
The room sensor should be mounted in a suitable location for measuring accurate room temperature. The accuracy of the temperature
measurement also depends directly on the temperature dynamics of the wall. It is important, that the back plate is completely flush to the wall so
that there is sufficient circulation of air through the vents in the cover, otherwise, deviations in temperature measurement will occur due to
uncontrolled air circulation. The temperature sensor should not be covered by furniture or other objects. Mounting next to doors (due to draught)
or windows (due to colder outside wall) should be avoided.
Surface and Flush Mounting
The measuring result is influenced by the thermal characteristics of the wall. A solid concrete wall responds to thermal fluctuations within a room
in a much slower than a light-weight structure wall. Room temperature sensors installed in flush-mounted boxes have a longer response time to
thermal variations. In extreme cases they detect the radiant heat of the wall even if the air temperature in the room is lower for example. The
quicker the dynamics of the wall (temperature acceptance of the wall) or the longer the selected inquiry interval of the temperature sensor is the
smaller the deviations limited in time are.
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TECHNICAL DATA

Measuring values
Output voltage
Output switch contact
Network technology
Power supply
Power consumption
Measuring range temp.
Accuracy temperature
Inputs
Control functions
Display
Enclosure
Protection
Cable entry
Connection electrical
Ambient condition
Mounting
Communication Modbus
Communication-section
Communication-Interface
Communication-Protocol
Baud Rate
Parity
Data:
Stop
Thermokon Sensortechnik GmbH, Platanenweg 1, 35756 Mittenaar, Deutschland · tel: 02778/6960-0 · fax: -400 ·
temperature
terminal 2 | 3 (for heating and cooling)
2x 0..10 V, min. load 10 kΩ
terminal 6 | 7 (electrical heater 3-stage)
2x normally open contact,
max. 250 V ~ / 3 A | max. 30 V = / 3 A
RS485 Modbus, RTU, half-duplex, baud rate 4.800, 9.600, 19.200 or 38.400, parity: non (2 stopbits), even
or odd (1 stopbit)
24 V = (±10%) | 24 V ~ (±20%) SELV
3 W (24 V =)
+1..+50 °C
±1 K (typ. at 21 °C)
terminal 10
input for external sensor
NTC10K
set point adjustment +1..+50 °C, (default +16..+30 °C)
LCD 64x41 mm, white or black background lighting
ABS, pure white or black
IP20 according to EN 60529
rear entry
terminal block max. 1,5 mm²
-10..+50 °C, max. 95% rH non-condensing
flush mounted with standard EU box (Ø=60 mm)
4800 bps / 9600 bps / 19200 bps / 38400 bps (optional) Factory default: 9600bps
no parity / odd parity / straight parity (optional) Factory default: no parity
LCF02-Touch_3AO2DO_Datasheet_en.docx © 2020
terminal 4 (for fan)
1x 0..10 V, min. load 10 kΩ
terminal 11 – ESI | DP
input digital for floating contact,
window contact, dew point
sensor
1..247 Factory default: 1
RS485
Modbus-RTU
Issue Date: 22.01.2020
terminal 12 - OCC
input digital for floating contact,
occupancy sensor, key card
switch
8 bit
2 bit
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