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Modbus manual

INTERFACE

  CONTENTS

  1. System ........................................................ 2
  2. Communication specification .................. 3
  3. Communication timing .............................. 3
  4. Connecting Modbus input ........................ 4
  5. LED Display detail for Modbus connection ... 5
  6. Function code and Data address .................. 5
  7. System Design Responsibility ................. 7
  8. Laws and Regulations .............................. 7

September  2015

[Model Name]

PAC-IF013B-E

PAC-SIF013B-E

Related document:

Refer to the following manual

• 

PAC-IF013B-E/PAC-SIF013B-E

INSTALLATION MANUAL

This manual describes the Modbus communication only. For 

safety precautions, make sure to read installation manual of 

PAC-IF013B-E/PAC-SIF013B-E.

Summary of Contents for PAC-IF013B-E

Page 1: ...unction code and Data address 5 7 System Design Responsibility 7 8 Laws and Regulations 7 September 2015 Model Name PAC IF013B E PAC SIF013B E Related document Refer to the following manual PAC IF013B E PAC SIF013B E INSTALLATION MANUAL This manual describes the Modbus communication only For safety precautions make sure to read installation manual of PAC IF013B E PAC SIF013B E ...

Page 2: ... interface unit Do NOT send temperature set point or Drive ON OFF DIP SW 1 1 to 1 3 and SW6 are as follows Regarding other settings refer to the section 2 and the installation manual Input type SW1 1 SW1 2 SW1 3 SW6 1 SW6 2 Modbus ON ON ON OFF OFF 2 Auto step mode by Modbus AHU local controller can send Drive ON OFF operation mode and temperature set point by Modbus communication to the interface ...

Page 3: ...en none Set by DIP SW on the interface controller board SW4 6 SW4 7 Details OFF OFF Odd ON OFF Even OFF ON None ON ON N A Stop bit Slectable from 1bit 2bit OFF ON SW 4 8 1 bit 2 bit 3 Communication timing 3 1 Message sending interval Data sending interval of Master Request from Master query Request from Master query Response from Slave Response Note Please send a query or a operation command every...

Page 4: ...FG terminal Fig 4 1 PAC S IF013B E A 120Ω A B B SG SG FG Shield Shield Shield Master device 120Ω A A B B SG SG PAC S IF013B E Master device 120Ω FG FG A B SG FG PAC S IF013B E 120Ω Table 4 1 Cable specifications Item Description Cable type Shielded cable Number of pairs 2P Conductor resistance 20 C 88 0 Ω km or less Insulation resistance 10000MΩ km or more Dielectric withstand voltage 500VDC 1 min...

Page 5: ...99 9 C 0xFFFF 0 1 C 0x0000 0 0 C 0x0001 0 1 C 0x012C 30 0 C When thermistor is open or short Open 0xFC19 Short 0x03E7 1 30002 TH1 Target air temp 39 C 88 5 C by 0 5 C 2 30003 TH5 2 Phase temp 39 C 88 5 C by 0 5 C 3 30004 TH2 Ref liquid temp 39 C 88 5 C by 0 5 C 4 30005 TH7 Outdoor temp 15 C 46 C by 1 C Actual thermistor temp 10 Communication data 0xFC19 99 9 C 0xFFFF 0 1 C 0x0000 0 0 C 0x0001 0 1 ...

Page 6: ...nit receives other data received data will be cancelled When the interface unit receives decimal value value will be round down N A 3 40004 Drive ON OFF 0 OFF 1 ON If the interface unit receives other data received data will be cancelled N A 4 40005 Error Code hex READ ONLY 0x8000 No error 0x8000 Error Code 2 5 40006 Error Code decimal READ ONLY 8000 No error 8000 Error Code 2 6 40007 Step status ...

Page 7: ... The description of exception codes in exception response is shown in the table below Code Name Description 01h ILLEGAL FUNCTION The function code received in the query is not an allowable action for the slave the interface unit 02h ILLEGAL DATA ADDRESS The data address received in the query is not allowable address for the slave the interface unit 03h ILLEGAL DATA VALUE A value contained in the q...

Page 8: ...DA KU TOKYO 100 8310 JAPAN Authorised representative in EU MITSUBISHI ELECTRIC EUROPE B V HARMAN HOUSE 1 GEORGE STREET UXBRIDGE MIDDLESEX UB8 1QQ U K This product is designed and intended for use in the residential commercial and light industrial environment ...

Page 9: ...Related Links Model Number PAC SIF013B E PAC S IF013B E Modbus Manual PAC S IF013B E Parts Catalogue PAC IF013B E AHU Design Guideline RG79F087H03 PAC IF013B E Installation Operation Manual RG79F030H04 ...

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