Thermokon LCF02 5DO RS485 Modbus - INPUT REGISTER DESCRIPTIONS; Model and Firmware Info; Sensor and Status Readings; Failure and Input Status

Issue Date: 06.04.2021 Page 7 / 12
Thermokon Sensortechnik GmbH, Platanenweg 1, 35756 Mittenaar, Deutschland · tel: 02778/6960-0 · fax: -400 · www.thermokon.de · email@thermokon.de
LCF02-5DO_Datasheet_en.docx © 2021
Input Register
Address
Access
Description
Resolution / Unit
0
0x0000
Read-only
Thermokon Model identification
0xFF00 = LCF-5DO
1
0x0001
Read-only
Firmware-Version
e.g. 0x10C0 = 1.0.13
2
0x0002
Read-only
Back-Box type
05 = DO5R
3
0x0003
Read-only
Value of the integrated temperature sensor °C
0…500 -> 0…50,0°C
300…1200 = +30,0..+120,0 °F (257 – 0x0101 = 1)
0,1
°C/°F
4
0x0004
Read-only
fan status
0b00000000 = OFF
0b00000001 = Stage Low
0b00000010 = Stage Medium
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
Read-only
failure status
0x00=no failure
0x01= control loop temperature sensor alarm
0x02=external temperature sensor high limit Alarm
0x04=external temperature sensor low limit Alarm
0x08= change over sensor missing alarm
10
0x000A
Read-only
External input 1
0 = Contact Open, 1= contact closed (for window contact, dew
point sensor)
11
0x000B
Read-only
External input 2
0 = Contact Open, 1= contact closed (for OCC-sensor, keycard
Switch)