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Intesis

Modbus Server

– HITACHI VRF

User Manual r1.0 EN

This information is subject to change without notice

URL

http

://www.intesis.com

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lncorrect lndoor Unit Connection

Number Setting

Switch Box

Unit

lncorrect lndoor Unit Connection

2 or more Switch Box Units are connected

between outdoor unit and indoor unit.

lncorrect lndoor Unit Connection No.

Setting

9 or More lndoor Units Connected to

Switch Box Unit

lncorrect lndoor Unit Connection

The indoor units of different refrigerant!

cycle is connected to Switch Box unit.

Summary of Contents for Intesis Modbus Server

Page 1: ...Hitachi VRF Air Conditioning Gateway for the integration of Hitachi VRF systems into Modbus RTU and TCP systems USER MANUAL Issue date 11 2018 r1 0 ENGLISH ...

Page 2: ...ses and 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 and requirements associated with any particular implementation HMS Industrial Networks cannot assume responsibility or liability for actual use based on the data examples or illustrations include...

Page 3: ... S L U All rights reserved This information is subject to change without notice URL https www intesis com 3 30 Gateway for the integration of Hitachi VRF systems into Modbus RTU and TCP systems ORDER CODE LEGACY ORDER CODE INMBSHIT016O000 HI AC MBS 16 INMBSHIT064O000 HI AC MBS 64 ...

Page 4: ...tion 13 Connection to Modbus 13 1 9 1 Modbus TCP 13 1 9 2 Modbus RTU 13 Connection to PC Configuration tool 14 4 Set up process and troubleshooting 15 Pre requisites 15 Intesis MAPS Configuration monitoring tool for Intesis Modbus series 15 1 12 1 Introduction 15 1 12 2 Connection 15 1 12 3 Configuration tab 16 1 12 4 Modbus Slave configuration 16 1 12 5 Hitachi configuration 18 1 12 6 Signals 20 ...

Page 5: ...to monitor and control Hitachi air conditioning systems remotely from a Control Center using any commercial SCADA or monitoring software that includes a Modbus Master driver RTU and or TCP To do it so Intesis performs as a Modbus Server allowing poll and write requests from any Modbus master device Intesis makes available the Hitachi air conditioning system indoor units datapoints through independ...

Page 6: ...isTM continuously monitors Hitachi VRF network for all configured signals and keeps the updated status of all of them in its memory ready to be served when requested from the Modbus master Commands toward the indoor units are permitted Each indoor unit is offered as a set of MBS objects Element Object supported Outdoor Unit Status Indoor Unit Status Command Communication status General signals all...

Page 7: ...tesis Element Max Notes Number of indoor units 64 Number of indoor units that can be controlled through Intesis There are different models of Intesis MBS Hitachi VRF each one with different capacity The table above shows the capacity for the top model with maximum capacity Their order codes are INMBSHIT016O000 Model supporting up to 16 indoor units INMBSHIT064O000 Model supporting up to 64 indoor ...

Page 8: ...sible between Modbus addresses 0 and 20000 Addresses that are not defined in section 2 2 Modbus map of the device are read only and will always report 0 Modbus error codes are supported they will be sent whenever a non valid Modbus address is queried All registers are 16 bit signed integer in standard Modbus Big Endian MSB LSB format Intesis supports Modbus RTU and Modbus TCP and both interfaces c...

Page 9: ...Mode 5 W Operation Mode Fan all the units 1 Set Fan Mode 6 W Operation Mode Cool all the units 1 Set Cool Mode 7 W Fan Speed Auto all the units 1 Set Fan Speed Auto 8 W Fan Speed Low all the units 1 Set Fan Speed Low 9 W Fan Speed Mid all the units 1 Set Fan Speed Mid 10 W Fan Speed High all the units 1 Set Fan Speed High 11 W Fan Speed High all the units 1 Set Fan Speed High 12 W Vane Position Au...

Page 10: ... Pressure x10ºC 5 0 9 9 MPa OU 25 10000 7 R Suction Pressure x10ºC 5 0 9 9 MPa Ui 100 0 Ui stands for Unit index number as found in the Units Configuration tab and ranges from 1 to 64 R W On Off 0 Off 1 On Ui 100 1 R W Operation Mode 0 Auto 1 Heat 2 Dry 3 Fan 4 Cool Ui 100 2 R W Fan Speed 0 Auto 1 Low 2 Mid 3 High 3 High Ui 100 3 R W Vane Position 0 Auto 1 Pos1 7 Pos7 Ui 100 4 R W Temperature Setp...

Page 11: ...ow Ui 100 17 R W Allow Fan from RC 0 Allow 1 Not allow Ui 100 18 R Unit Type 0 Not Defined 1 SS 2 FC 3 VRF 4 IU 5 ES Ui 100 19 R Unit Address 1 64 Ui 100 20 R System Address 1 64 Ui 100 21 R Dehumidification 0 Disabled 1 Enabled Ui 100 22 R W Dehumidification Correction 0 0 1 1 2 2 Ui 100 23 R Compresor Stop Cause 255 Operation Off Other See manual Ui 100 24 R Expansion Valve Open 0 100 Ui 100 25 ...

Page 12: ...he LAN path check the gateway user manual for more information Default IP is 192 168 100 246 DHCP is enabled by default PortA H Link Hitachi Connect the H Link terminals TB2 of Hitachi Outdoor Unit to the connectors A3 and A4 of gateway s PortA There is no polarity to be respected PortB Modbus RTU RS485 Connect the EIA485 bus to connectors B1 B B2 A and B3 SNGD of gateway s PortB Respect the polar...

Page 13: ...the Hitachi H Link TB2 bus to connectors A3 and A4 of gateway s PortA Bus is not sensitive to polarity Connection to Modbus 1 9 1 Modbus TCP The gateways Ethernet port connection is used for Modbus TCP communication Connect the communication cable coming from the network hub or switch to the Ethernet port of Intesis The cable to be used shall be a straight Ethernet UTP FTP CAT5 cable TCP port to u...

Page 14: ... com 14 30 Connection to PC Configuration tool This action allows the user to have access to configuration and monitoring of the device more information can be found in the configuration tool User Manual Two methods to connect to the PC can be used Ethernet Using the Ethernet port of Intesis USB Using the console port of Intesis connect a USB cable from the console port to the PC ...

Page 15: ...to download the configuration tool USB Console cable to communicate with Intesis Product documentation Intesis MAPS Configuration monitoring tool for Intesis Modbus series 1 12 1 Introduction Intesis MAPS is a Windows compatible software developed specifically to monitor and configure Intesis new generation gateways The installation procedure and main functions are explained in the Intesis MAPS Us...

Page 16: ... 12 3 Configuration tab Select the Configuration tab to configure the connection parameters Three subsets of information are shown in this window General Gateway general parameters Modbus Slave Modbus interface configuration and Hitachi Hitachi interface parameters Figure 4 2 Intesis MAPS configuration tab 1 12 4 Modbus Slave configuration Set parameters of Modbus Slave interface of Intesis ...

Page 17: ...CP communication port setting Default port 502 2 2 Keep Alive Set the time of inactivity to send a keep Alive message Default 10 minutes 3 RTU Configuration 3 1 RTU bus connection type Select the RTU connection type serial bus RS485 or 232 3 2 Baudrate Set the RTU bus communication speed Default 9600 bps Available values 1200 2400 4800 9600 19200 38400 57600 115200 bps 3 3 Data Type Set the Data b...

Page 18: ...need to enter for each unit Active If it s active checkbox at Unit xx ranging from 1 to 64 indoor units that will be integrated maximum number of units will depend on Intesis model IU address Address 1 64 of Unit in Hitachi H Link bus OU address Address 1 64 of Outdoor Unit in Hitachi H Link bus Description Descriptive name to easy identification of the unit for example living room floor 1 unit et...

Page 19: ...f there is a problem in the connection with H Link bus units not powered bus not connected A progress bar will appear during the scan which will take up to a few minutes After scan is complected detected units will be shown in available units as follows Figure 4 6 Intesis MAPS Scan Hitachi Units window with scan results Select with its checkbox units to add or replace in installation according to ...

Page 20: ...ation is subject to change without notice URL https www intesis com 20 30 Figure 4 7 Intesis MAPS Hitachi configuration tab after importing scan results 1 12 6 Signals All available Modbus registers its corresponding description and other main parmaters are listed in the signals tab Figure 4 8 Intesis MAPS Signals tab ...

Page 21: ... the Send button in the Receive Send section 1 12 8 Diagnostic To help integrators in the commissioning tasks and troubleshooting the Configuration Tool offers some specific tools and viewers In order to start using the diagnostic tools connection with the Gateway is required The Diagnostic section is composed by two main parts Tools and Viewers Tools Use the tools section to check the current har...

Page 22: ...the EIA485 port of the Modbus RTU installation to the port marked as Port B of Intesis More details in section 3 If using Modbus TCP connect the communication cable coming from the Ethernet port of the Modbus TCP installation to the port marked as Ethernet Port of Intesis More details in section 3 4 Connect the communication cable coming from the Hitachi VRF installation to the port marked as Port...

Page 23: ... a new project selecting a copy of the one named INMBSHIT O000 8 Modify the configuration as desired save it and download the configuration file to Intesis as explained in the Intesis MAPS user manual 9 Visit the Diagnostic section enable COMMS and check that there is communication activity some TX frames and some other RX frames This means that the communication with the Centralized Controller an...

Page 24: ...40mA 24VAC 10 50 60Hz Max 127mA Recommended 24VDC Push Button Button A Not used Button B Not used Operation Temperature 0 C to 60 C Ethernet 1 x Ethernet 10 100 Mbps RJ45 2 x Ethernet LED port link and activity Operational Humidity 5 to 95 no condensation Port A 1 x H Link Plug in screw terminal block orange 2 poles 1500VDC isolation from other ports 1 x Plug in screw terminal block green 2 poles ...

Page 25: ...hts reserved This information is subject to change without notice URL https www intesis com 25 30 6 Dimensions Recommended available space for its installation into a cabinet wall or DIN rail mounting with space enough for external connections 100 mm h 100 mm w 130 mm d 56 mm h 88 mm w 90 mm d ...

Page 26: ...ed This information is subject to change without notice URL https www intesis com 26 30 7 AC Unit Types compatibility A list of Hitachi unit model references compatible with INMBSHIT O000 and their available features can be found in https www intesis com docs compatibilities inxxxhit001r000_compatibility ...

Page 27: ...ing Excessive Refrigerant lnert Gas Mixing 03 Transmission Abnormality between lndoor and Outdoor incorrect Wiring Loose Terminals Disconnect Wire Blowout of Fuse Outdoor Unit Power OFF 04 Abnormality between lnverter PCB and Outdoor PCB lnverter PCB Outdoor PCB Transmission Failure Loose Connector Wire Breaking Blowout of Fuse 04 Abnormality between Fan Controller and Outdoor PCB Fan Controller O...

Page 28: ...e Short Circuit 22 Outdoor Air Thermistor 23 Discharge Gas Thermistor on Top of Compressor 24 Heat Exchanger Liquid Pipe Thermistor 25 Heat Exchanger Gas Pipe Thermistor 29 Low Pressure Sensor 31 System lncorrect Capacity Setting of Outdoor Unit and lndoor Unit lncorrect Capacity Code Setting of Combination Excessive or lnsufficient lndoor Unit Total Capacity Code 35 lncorrect Setting of lndoor Un...

Page 29: ... lnverter lnverter Error Signal Detection Driver IC Error Signal Detection Protection for Overcurrent Low Voltage Short Circuit 54 Abnormality of lnverter Fin Temperature Abnormal lnverter Fin Thermistor Heat Exchanger Clogging Fan Motor Failure 55 lnverter Failure lnverter PCB Failure 57 Fan Controller Activation of Fan Controller Protection Driver IC Error Signal Detection Protection for Overcur...

Page 30: ...5 lncorrect lndoor Unit Connection Number Setting C1 Switch Box Unit lncorrect lndoor Unit Connection 2 or more Switch Box Units are connected between outdoor unit and indoor unit C2 lncorrect lndoor Unit Connection No Setting 9 or More lndoor Units Connected to Switch Box Unit C3 lncorrect lndoor Unit Connection The indoor units of different refrigerant cycle is connected to Switch Box unit ...

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