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Intesis

INMBSMIT001I000

User’s Manual r22

This information is subject to change without notice

URL https://www.intesis.com

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Modbus RTU (EIA-485) Interface for Mitsubishi Electric air
conditioners

Compatible with Domestic, Mr. Slim and City Multi lines
commercialized by Mitsubishi Electric

ORDER CODE

LEGACY ORDER CODE

INMBSMIT001I000 ME-AC-MBS-1

Содержание Intesis EIA-485

Страница 1: ...Compatible with Domestic Mr Slim and City Multi lines commercialized by Mitsubishi Electric USER MANUAL Issue date 12 2017 r22 ENGLISH...

Страница 2: ...s information is subject to change without notice URL https www intesis com 2 20 Modbus RTU EIA 485 Interface for Mitsubishi Electric air conditioners Compatible with Domestic Mr Slim and City Multi l...

Страница 3: ...d are only intended to help improve understanding of the functionality and handling of the product In view of the wide range of possible applications of the product and because of the many variables a...

Страница 4: ...Quick Start Guide 7 4 Modbus Interface Specification 8 4 1 Modbus physical layer 8 4 2 Modbus Registers 8 4 2 1 Control and status registers 8 4 2 2 Configuration Registers 10 4 2 3 Considerations on...

Страница 5: ...required Direct connection to Modbus RTU EIA 485 networks Up to 63 INMBSMIT001I000 devices can be connected on the same network INMBSMIT001I000 is a Modbus slave device Direct connection to the AC in...

Страница 6: ...nic circuit You can place the INMBSMIT001I000 inside or outside the AC indoor unit depending on your needs Remember that the INMBSMIT001I000 must also be connected to the Modbus RTU EIA 485 network Cl...

Страница 7: ...e and the AC indoor unit following the instructions of the diagram 4 Connect the EIA 485 bus to the interface s EIA485 connector 5 Close the AC indoor unit 6 Check the DIP Switch configuration of the...

Страница 8: ...ion 4 2 1 Control and status registers Register Address protocol address Register Address PLC address R W Description 0 1 R W AC unit On Off 0 Off 1 On 1 2 R W AC unit Mode 1 0 Auto 1 Heat 2 Dry 3 Fan...

Страница 9: ...other error present see the table at the end of this document 22 23 R W Indoor unit s ambient temperature from external sensor at Modbus side 1 2 3 6 32768 Initialization value No temperature is being...

Страница 10: ...ption 12 13 R W AC Model 13 14 R W Open Window switch off timeout 9 0 30 minutes Factory setting 30 minutes 14 15 R Modbus RTU baud rate 2400bps 4800bps 9600bps Default 19200bps 38400bps 57600bps 7680...

Страница 11: ...rovide directly a temperature to be used as a reference of the control loop of the AC indoor unit In order to overcome this limitation and enable the usage of an external temperature sensor e g from M...

Страница 12: ...tpoint s value shown by the Remote Controller or other Control System from Mitsubishi connected to the indoor unit may show a different value from the value shown in register 4 5 The User is not be ab...

Страница 13: ...rks S L U All rights reserved This information is subject to change without notice URL https www intesis com 13 20 Fahrenheit value Value in Modbus register is the temperature value in Fahrenheit i e...

Страница 14: ...e following locations The following tables apply to the interface s configuration through DIP switches SW1 AC indoor unit s features SW1 P1 4 Description Not used Default value Not used Not used Defau...

Страница 15: ...EIA 485 termination resistor Table 4 3 SW4 Temperature and termination resistor configuration SW4 P1 2 4 Description Temperature values in Modbus register are represented in degrees x1 Default value...

Страница 16: ...s Add SW3 P1 6 Add SW3 P1 6 Add SW3 P1 6 Add SW3 P1 6 Add SW3 P1 6 0 13 26 39 52 1 14 27 40 53 2 15 28 41 54 3 16 29 42 55 4 17 30 43 56 5 18 31 44 57 6 19 32 45 58 7 20 33 46 59 8 21 34 47 60 9 22 35...

Страница 17: ...s ON 2s OFF Device correctly configured and working During normal operation LED OFF OFF continuously No Modbus Slave address configured During normal operation LED blinking 200ms ON 200ms OFF Communic...

Страница 18: ...tage signals For terminal solid wires or stranded wires twisted or with ferrule 1 core 0 5mm2 2 5mm2 2 cores 0 5mm2 1 5mm2 3 cores not permitted Stock Humidity 95 RH non condensing Modbus RTU port 1 x...

Страница 19: ...subject to change without notice URL https www intesis com 19 20 6 List of supported AC Unit Types A list of Mitsubishi Electric indoor unit model s references compatible with INMBSMIT001I000 and its...

Страница 20: ...t of compressor 4220 Voltage anomaly 4230 Radiator panel temperature anomaly TH8 5101 Ambient temperature probe anomaly TH1 indoor unit 5102 Liquid probe anomaly TH2 5102 Cond Evap probe anomaly TH5 5...