Thermokon LCF02 5DO RS485 Modbus Manual Download

Page: 11 / 12

Issue Date: 06.04.2021

Page 11 / 12

Thermokon Sensortechnik GmbH, Platanenweg 1, 35756 Mittenaar, Deutschland · tel: 02778/6960-0 · fax: -400 ·

www.thermokon.de

email@thermokon.de

Holding Register (operation to override FC from Modbus)

Address

Access Description

Resolution / Unit

Default

512

0x0200

Read-write

Active fan speed setting

0b00000000 = OFF

0b00000001 = Stage Low

0b00000010 = Stage Medium

0b00000100 = Stage High

0b00001000 = Auto OFF

0b00001001 = Auto Low

0b00001010 = Auto Medium

0b00001100 = Auto High

513

0x0201

Read-write

setpoint temperature

0..500 = 0..+50,0 °C

300..1200 = +30..+120 °F (257 – 0x0101 = 1)

0.1

°C/°F

514

0x0202

Read-write

Controller mode Comfort :

0b0000 0000=controller off

(Frost protection active)

0b0000 0001=controller auto mode

(heating&cooling)

0b0000 0010=controller heating mode only

0b0000 0011=controller cooling mode only

0b0000 0100=ventilating

(PI loop controls fan stages only,

valves closed)

Controller mode ECO:

0b0001 0000=controller off

(Frost protection active)

0b0001 0001=controller auto mode

(heating&cooling)

0b0001 0010=controller heating mode only

0b0001 0011=controller cooling mode only

0b0001 0100=ventilating

(PI loop controls fan stages only,

valves closed)

515

0x0203

Read-write

Active Symbols

0x00= show none

0x01= show Leaf

0x02= show dew point

0x04= show frost protect ON

0x08= show open window

0x10= show Attention!

0x20= show hourglass

0x40= show lock

0x80= show ECO

Summary of Contents for LCF02 5DO RS485 Modbus

Page 1: ...odifications are prohibited The product must not be used in relation with any equipment that in case of a failure may threaten directly or indirectly human health or life or result in danger to human beings animals or assets Ensure all power is disconnected before installing Do not connect to live operating equipment CAUTION Risk of electric shock due to live components within the enclosure especi...

Page 2: ...erature 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 TECHNICAL DATA Measuring values temperature Output switch contact terminal 2 3 for heating cooling 2 point control or PWM 2 normally open contacts max 250 V 3 A max 30...

Page 3: ...nput terminals of the field devices are connected with each other and all negative operating voltage input terminals reference potential are connected together in phase connection of field devices In case of reversed polarity at one field device a supply voltage short circuit would be caused by that device The consequential short circuit current flowing through this field my cause damage to it The...

Page 4: ...r setting will be exited to normal operation No Name of parameter Parameter definition Factory default 1 Modbus address ID 1 ID 247 1 2 Baud rate 1 4800bps 2 9600 3 19200 4 38400 2 3 Parity 0 none 1 even 2 odd 0 4 Stop Bits 1 1 Stopbit 2 2 Stopbits 2 5 Temperature Offset Internal Sensor 5 0 K 5 0 K 0 6 Temperature Offset External Sensor 5 0 K 5 0 K 0 7 Piping system 0 2 pipe 1 4 pipe 1 8 Reset to ...

Page 5: ... time Then it will switch from ECO to comfort mode To indicate that the Fancoil thermostat is in ECO mode it will show the leaf and the word ECO in the display In case an occupancy sensor is connected to one of the inputs the mode will change from ECO to comfort as soon as the input becomes active and the previously used Setpoint will be restored and the leaf symbol will not be showing any more Te...

Page 6: ...M while the power failure so no data will be lost The setpoint is not saved The standard setpoint after power on reset applies register address 271 0x010F Occupancy OCC If the input is configured for an Occupancy sensor If the sensor indicates UnOccupied the current setpoint will be replaced by the Eco Mode Setpoint Temp The display will show the leaf symbol and the lettering ECO to indicate the E...

Page 7: ...ium 0b00000100 Stage High 0b00001000 Auto OFF 0b00001001 Auto Low 0b00001010 Auto Medium 0b00001100 Auto High 5 0x0005 Read only VA1 status 0 100 0 0 Off 100 On e g 693 69 3 of PWM cycle time ON 6 0x0006 Read only VA2 status 0 100 0 0 Off 100 On e g 693 69 3 of PWM cycle time ON 8 0x0008 Read only external temperature sensor C 200 1000 20 0 100 0 C 0 2100 0 0 210 0 F 257 0x0101 1 0 1 C F 9 0x0009 ...

Page 8: ... 200 F 257 0x0101 1 0 1 C F 0 C 320 F 268 0x010C Read write Power failure 0 keep off after power on reset 1 return to last state after power failure 2 switch on after power on reset 1 269 0x010D Read write Key lock 0x00 unlocked 0x01 lock on off 0x02 lock mode 0x04 lock clock 0x08 lock fan speed 0x10 lock temp setting 0x1F lock all keystrokes Once a locked key is pressed the LOCK symbol shall be d...

Page 9: ...d write Deadband 1 100 0 1 10 0 C F 0 1 C F 10 284 0x011C Read write Heating Proportional Band Xp_heat 1 100 0 1 10 0 C 0 1 C F 20 285 0x011D Read write Heating Integration Time Tn_heat 0 255 0 255 Minutes 1 0 min 30 286 0x011E Read write Cooling Proportional Band Xp_cool 1 100 0 1 10 0 C F 0 1 C F 20 287 0x011F Read write Cooling Integration Time Tn_cool 0 255 0 255 Minutes 1 0 min 30 288 0x0120 ...

Page 10: ...ssed disable cooling 10 Dew Point Sensor Closed Dewpoint crossed disable cooling 0 337 0x0151 Read write Configuration external input 2 0 No function 1 Occupancy sensor Open Occupied 2 Occupancy sensor Closed Occupied 3 Window contact Open Window Open 4 Window contact Closed Window Open 5 Disable heating Open Heating disabled 6 Disable heating Closed Heating Disabled 7 Disable cooling Open Disable...

Page 11: ...0x0101 1 0 1 C F 0 514 0x0202 Read write Controller mode Comfort 0b0000 0000 controller off Frost protection active 0b0000 0001 controller auto mode heating cooling 0b0000 0010 controller heating mode only 0b0000 0011 controller cooling mode only 0b0000 0100 ventilating PI loop controls fan stages only valves closed 0 Controller mode ECO 0b0001 0000 controller off Frost protection active 0b0001 00...

Page 12: ...de email thermokon de LCF02 5DO_Datasheet_en docx 2021 MOUNTING ADVICE DIMENSIONS MM For installing or maintenance please make sure the power is disconnected Fix the thermostat base plate to the wall through the four screw holes with distance between axes of 60 mm Fasten base plate and front cover Do not press the panel in order to protect LCD ...

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