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

Mitsubishi Electric

USER MANUAL

Issue date: 03/2021 r2.4 ENGLISH

Summary of content (19 pages)

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Compatible with Domestic, Mr. Slim and City Multi lines commercialized by Mitsubishi Electric USER MANUAL Issue date: 03/2021 r2.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 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 INMBSMIT001I000 LEGACY ORDER CODE ME-AC-MBS-1 © HMS Industrial Networks S.L.U - All rights reserved URL https://www.intesis.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN Important User Information Disclaimer The information in this document is for informational purposes only. Please inform HMS Industrial Networks of any inaccuracies or omissions found in this document. HMS Industrial Networks disclaims any responsibility or liability for any errors that may appear in this document. HMS Industrial Networks reserves the right to modify its products in line with its policy of continuous product development.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN INDEX 1. Presentation .......................................................................................................... 5 2. Connection ............................................................................................................ 6 2.1 Connect to the AC indoor unit ............................................................................... 6 2.2 Connection to the EIA-485 bus .................................................
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 1. Presentation The INMBSMIT001I000 interfaces allow a complete and natural integration of Mitsubishi Electric air conditioners into Modbus RTU (EIA-485) networks. Compatible with all models of Domestic and Mr.Slim line. Check the section 5 for more information. Reduced dimensions. 93 x 53 x 58 mm // 3.7” x 2.1” x 2.3” • Quick and easy installation. • External power not required. • Direct connection to Modbus RTU (EIA-485) networks.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 2. Connection The interface comes with a specific cable and connectors to establish direct connection with the AC indoor unit. It comes as well with a plug-in terminal block of 2 poles to establish direct connection with the Modbus RTU EIA-485 network. 2.1 Connect to the AC indoor unit To connect the INMBSMIT001I000 interface with the AC indoor unit you must follow these steps: Disconnect Mains Power from the AC unit.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN Quick Start Guide 1. Disconnect the air conditioning from the Mains Power. 2. Attach the interface next to the AC indoor unit (wall mounting) following the instructions of the diagram below or install it inside the AC indoor unit (respect the safety instructions given above and by the AC unit manufacturer). 3. Connect the connection cable included with the interface between the interface and the AC indoor unit following the instructions of the diagram. 4.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 3. Modbus Interface Specification 3.1 Modbus physical layer INMBSMIT001I000 implements a Modbus RTU (Slave) interface, to be connected to an EIA-485 line. It performs 8N2 communication (8 data bits, no parity and 2 stop bit) with several available baud rates (2400 bps, 4800 bps, 9600 bps -default-, 19200 bps, 38400 bps, 57600 bps, 76800 bps and 115200 bps). It also supports 8N1 communication (8 data bits, no parity and 1 stop bit). 3.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN Register Address (protocol address) Register Address (PLC address) R/W 6 7 R/W 7 8 8 9 R/W R/W 9 10 R/W 10 11 R Description Window Contact ▪ ▪ 0: Closed (Default) 1: Open INMBSMIT001I000 Disablement ▪ ▪ 0: INMBSMIT001I000 enabled (Default) 1: INMBSMIT001I000 disabled AC Remote Control Disablement ▪ ▪ 12 R 4 0..65535 (hours). Counts the time the AC unit is in “On” state.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 3.2.2 Configuration Registers Register Address (protocol address) 12 Register Address (PLC address) 13 13 14 R/W Description R/W AC Model R/W “Open Window” switch-off timeout ▪ ▪ 9 0..30 (minutes) Factory setting: 30 (minutes) Modbus RTU baud-rate 9 14 15 R 15 16 R 21 22 R 49 50 50 51 R R ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ 2400bps 4800bps 9600bps (Default) 19200bps 38400bps 57600bps 76800bps 115200bps Device's Modbus Slave address ▪ 1..
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 3.2.3 Considerations on Temperature Registers • AC unit temperature setpoint (R/W) (register 4 – in Protocol address / register 5 – in PLC address): This is the adjustable temperature setpoint value that must be required by the User. This register can be read (Modbus function 3 or 4) or written (Modbus functions 6 or 16). A Remote Controller connected to the Mitsubishi indoor unit will report the same temperature setpoint value as this register.
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Intesis® INMBSMIT001I000 o User’s Manual r2.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 3.3 DIP-switch Configuration Interface All the configuration values on INMBSMIT001I000 can be written and read from Modbus interface. Otherwise, some of them can also be setup from its on-board DIP-switch interface.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN Table 4.1 SW1: AC indoor unit’s features SW3/SW4 – Baud rate configuration SW3-P7..8 ON SW4-P3 ON ON ON ON ON ON Description 2400bps 4800bps 9600bps (Default value) ON 19200bps ON ON ON ON ON ON ON 38400bps 57600bps 76800bps ON 115200bps Table 4.2 SW3-SW4: Modbus baud rate SW4 – Degrees/Decidegrees (x10), temperature magnitude (ºC/ºF) and EIA-485 termination resistor. SW4-P1..
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN SW3 – Modbus Slave address Add SW3-P1..6 Add ON 0 ON ON 29 17 ON 5 ON 7 8 ON 10 ON ON ON ON ON 62 ON ON 50 63 ON ON 38 ON 61 49 37 25 ON 60 ON ON 24 ON ON 48 36 ON ON ON 59 47 35 23 11 ON ON 22 ON 58 46 34 ON ON 9 ON ON 21 57 45 33 ON ON ON ON 20 ON 56 44 32 ON ON ON ON 19 ON 55 43 31 ON ON ON ON ON ON 54 42 30 18 6 ON ON ON ON 4 ON 53 41 ON 16 ON ON ON SW3-P1..
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 3.4 Implemented Functions INMBSMIT001I000 implements the following standard Modbus functions: ▪ 3: Read Holding Registers ▪ 4: Read Input Registers ▪ 6: Write Single Register ▪ 16: Write Multiple Registers (Despite this function is allowed, the interface does not allow to write operations on more than 1 register with the same request, this means that length field should be always be 1 when this function is being used in case of writing) 3.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 4. Electrical and Mechanical features Enclosure Plastic, type PC (UL 94 V-0) Net dimensions (dxwxh): 93 x 53 x 58 mm / 3.7” x 2.1” x 2.3” Color: Light Grey. RAL 7035 Operation Temperature 0ºC to +60ºC Weight 85 g. Stock Temperature -20ºC to +85ºC Mounting Wall DIN rail EN60715 TH35.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 5. List of supported AC Unit Types. A list of Mitsubishi Electric indoor unit model’s references compatible with INMBSMIT001I000 and its available features can be found on this link: https://www.intesis.com/docs/compatibilities/inxxxmit001ix00_compatibility © HMS Industrial Networks S.L.U - All rights reserved URL https://www.intesis.
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Intesis® INMBSMIT001I000 User’s Manual r2.4 EN 6.