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IntesisBox

®

 

ModBus RTU 

– Fujitsu  

 

 

 

     

User Manual r1.0 EN

 

 

 

© Intesis Software S.L.U. - All rights reserved 

This information is subject to change without notice 

 

IntesisBox

®

 

is a registered trademark of Intesis Software SLU

 

 

URL 
EmailP
hone 

 

http://www.intesisbox.com                                          
[email protected] 

+34 938047134 

 

12/21

 

  DIP-switch Configuration Interface 

All the configuration values on FJ-AC-MBS-1 can be written and read from Modbus interface. Otherwise, some of 
them can also be setup from its on-board DIP-switch interface. 
The device has DIP-switches SW1, SW2

 

and SW3 on the following locations: 

 
 
 
 
 

 
 
 
 
 

*Consider OFF as

 

 
 
 
 
 
 
 
 
 
 
 
The following tables apply to the interface´s configuration through DIP-switches:  
 

SW1 

 

AC configu Modbus baud rate 

 

AC Configuration 

 

Modbus Baud rate  

SW1-

P1…5 

Description 

SW1-

P1…5 

Description 

 

SW1-P6..8 

Description 

 

Follower (default 
value) 

 

Low Power mode 
(default value) 

 

 

 

 

2400bps 

 

Header 

 

High Performance 
Mode 

 

 

4800bps 

 

Outdoor Demand rate deactivated 

 

 
 

9600bps (Default 
value) 

 

Outdoor Demand rate deactivated (default value) 

 

 
 

19200bps 

 

Rotation and backup deactivated (default value) 

 

 
 

38400bps 

 

Rotation and backup activated 

 

 

57600bps 

 

Not used (default value) 

 

 

76800bps 

 

Not used 

 

 

115200bps 

 

Table 4.1 

SW1: AC Configu Modbus baud rate 

 
 
 

SW2 

– Modbus Slave a Degrees/tenths of degrees (x10) + Temp. magnitude (ºC/ºF) 

SW1

 

 

IntesisBox

®

 

FJ-AC-MBS-1 

B A SG 

EIA 485 

SW3

 

SW2

 

ON                       ON 

ON  

SW1

 

1 2 3 

1 2 3 4 5 6 7 8 

SW3

 

SW2

 

ON 

ON 

ON 

ON 

ON 

ON 

ON 

ON 

ON 

1 2 3 4 5 6 7 8 

AC Unit

 

L1 L2

 

AC Unit

 

ON 

ON 

ON 

ON 

ON 

ON 

ON 

ON 

ON 

Содержание IntesisBox FJ-AC-MBS-1

Страница 1: ...IntesisBox ModBus RTU Fujitsu Air Conditioning Compatible with Domestic and VRF line air conditioners commercialized by Fujitsu User Manual 03 2019 r1 0 eng...

Страница 2: ...ent is furnished under a license agreement or nondisclosure agreement The software may be used only in accordance with the terms of those agreements No part of this publication may be reproduced store...

Страница 3: ...ox is a registered trademark of Intesis Software SLU URL EmailP hone http www intesisbox com info intesisbox com 34 938047134 3 21 Gateway for the integration of a Fujitsu air conditioning unit in Mod...

Страница 4: ...to the EIA 485 bus 6 3 Quick Start Guide 7 4 Modbus Interface Specification 8 Modbus physical layer 8 Modbus Registers 8 4 2 1 Control and status registers 8 4 2 2 Configuration Registers 10 4 2 3 Co...

Страница 5: ...oor unit of AC External power not required Direct connection to Modbus RTU EIA 485 networks Up to 63 FJ AC MBS 1 devices can be connected in the same network FJ AC MBS 1 is a Modbus slave device Direc...

Страница 6: ...C MBS 1 connection diagram Connection to the EIA 485 bus Connect the EIA 485 bus wires to the plug in terminal block of FJ AC MBS 1 and keep the polarity on this connection A and B Make sure that the...

Страница 7: ...ons given 3 Connect to CN65 between the interface and the AC indoor unit following the instructions of the diagram 4 Connect the EIA 485 bus to the connector EIA485 of the interface 5 Close the AC ind...

Страница 8: ...uto 1 Heat 2 Dry 3 Fan 4 Cool 2 3 R W AC unit Fan Speed 1 0 Auto 1 Quiet 2 Low 3 Med 4 High 3 4 R W AC unit Vane Position 1 1 Position 1 Horizontal 2 Position 2 Horizontal 3 Position 3 Medium 4 Positi...

Страница 9: ...ther C x10 C F 23 24 R AC Real temperature setpoint 1 2 3 4 When no external temperature is provided this read only register will have the same value as register 5 PLC addressing In all cases it will...

Страница 10: ...e Setpoint R W register 5 in PLC addressing This is the adjustable temperature setpoint meant to be required by the user This register can be read Modbus function 3 or 4 or written modbus functions 5...

Страница 11: ...s received on register 23 in PLC addressing SAC Su Tu SU Where SAC setpoint value currently applied to the indoor unit Su setpoint value Tu external temperature reference written at BACnet side When F...

Страница 12: ...nfiguration through DIP switches SW1 AC configuration Modbus baud rate AC Configuration Modbus Baud rate SW1 P1 5 Description SW1 P1 5 Description SW1 P6 8 Description Follower default value Low Power...

Страница 13: ...21 Table 4 2 SW2 Modbus slave address Table 4 3 SW2 Degrees tenths of degrees x10 Temperature magnitude C F SW2 P7 8 Description Temperature values in ModBus register are represented in degrees x1 de...

Страница 14: ...ng Device LED indicator The device includes two LED indicators to show all the possible operational states In the following table there are written the indicators which can be performed and their mean...

Страница 15: ...eivers which are listening the bus when all the transmitters outputs are in three state high impedance it is also required a fail safe biasing mechanism This mechanism provides a safe status a correct...

Страница 16: ...nal Wiring for low voltage 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 condensi...

Страница 17: ...otice IntesisBox is a registered trademark of Intesis Software SLU URL EmailP hone http www intesisbox com info intesisbox com 34 938047134 17 21 6 AC Unit Types compatibility Please check compatibili...

Страница 18: ...oor temperature sensor error 11 0b Outdoor temperature sensor error 12 0C Outdoor discharge pipe temperature sensor error 13 0d Outdoor discharge pipe temperature sensor error 14 0E Heat sink thermist...

Страница 19: ...or unit initial setting error 134 22 Indoor unit capacity abnormal 135 23 Incompatible series connection error 136 24 Connection unit number error 137 25 Connection pipe length error 138 26 RAC Indoor...

Страница 20: ...81 Receiver liquid level detection sensor error 230 82 Outdoor unit sub cool heat ex gas temp thermistor error 231 83 Outdoor unit liquid pipe temp thermistor error 232 84 RAC Outdoor unit current sen...

Страница 21: ...ranch boxes error 311 J3 VRF Total heat exchanging ventilation unit error 312 J4 J II V II VR II Domestic hot water unit error 313 J5 Series Zone control interface error VRF V S J Series Error Code Mo...

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