IntesisBox ME-AC-MBS-1 English User Manual
Contents
1. Factory setting 30 minutes Modbus RTU baud rate 0 2400 bps 1 9600 bps 2 19200 bps 3 57600 bps 14 15 R W Factory setting 1 9600 bps For this setting to take effect DIP Switch P5 1 needs to be set in OFF position See section 3 3 DIP switch Configuration Interface Device s Modbus slave address Factory setting 0 no address configured at DIP switch 50 51 R Software version 3 2 3 Auxiliary Registers These registers are only going to be operative when using the ME AC MBS 1_ 2110 Register Address Register Address protocol address PLC address R W Description Digital Input I1 16 17 R 0 Open contact 1 Closed contact Digital Input I2 17 18 0 Open contact 1 Closed contact Relay Output O1 18 19 R W 0 Relay deactivated contact open 1 Relay activated contact closed Once window contact is open a count down to switch off the AC Unit will start from this configured value 1 This value is stored in non volatile memory Intesis Software S L All rights reserved URL http www intesis com 9 17 This information is subject to change without notice n tes j S Email info intesis com IntesisBox is a registered trademark of Intesis Software SL mes tel 34 938047134 IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 3 2 4 Considerations on Temperature Registers e2. 10 389C 9C x109C 50 1009F See Section 5 for detail on indoor unit model differences and function availability Magnitude for this register can be adjusted to Celsius x 19C Celsius x 109C default or Fahrenheit through DIP switches P5 See section 3 2 4 for more information Intesis Software S L All rights reserved i URL http www intesis com 7 17 This information is subject to change without notice t Email info intesis com ntesis E tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox ME AC MBS 1 ME AC MBS 1 2110 User s Manual r12 eng Register Address Register Address Description protocol address PLC address eaw Window Contact 6 7 R W 0 Closed 1 Open Device Disablement 7 8 R W 0 ME AC MBS 1 enabled 1 ME AC MBS 1 disabled IR Remote Command Disablement 8 9 R W 0 Remote Command enabled 1 Remote Command disabled AC unit Operation Time 9 10 R W 0 65535 hours Counts the time the AC unit is in On state AC unit Alarm Status 10 11 R 0 No alarm condition 1 Alarm condition Error Code 8000 No error present 8001 Error in the communication of ME AC MBS 1 against the AC unit 11 12 R 65535 1 if read as signed value Status of AC error has not been obtained yet initialization value Any other Error present See table at the end of this document Indoor unit am
3. 13 3 5 Configuration of the device uix Rank Rx ERR BA DUX RU E EA OI RAO E a n a 13 3 6 Device LED indiCatOr ise eire en nun cae dees bated NEEE CREAR SE VREAINEAMRE UE naive 14 3 7 RS485 bus Termination resistors and Fail Safe Biasing mechanism 14 4 Specifications irse Rete xr eh a Riviere ERI RE Maced e PA ne Ux ERE ele a e a ERR Rc n a 16 5 List of supported AC Unit Types sssssssssseesee nennen meme menses 16 6 Error COES c 17 ines d E All rights reserved i URL http www intesis com 3 17 is information is su Jec toc ange without notice i i i j Intesis gt fe gepen IntesisBox is a registered trademark of Intesis Software SL IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 1 Presentation The ME AC MBS 1 and ME AC MBS 1 2110 interfaces allow a complete and natural integration of Mitsubishi Electric air conditioners into Modbus RTU RS 485 networks Compatible with all models of Domestic and Mr Slim line section 5 e Reduced dimensions 93 x 53 x 58 mm e Quick and easy installation Mountable on DIN rail wall or even inside the indoor unit in some models of AC e External power not required e Direct connection to MODBUS RTU RS 485 networks Up to 63 ME AC MBS 1 devices can be connected in the same network ME AC MBS 1 is a Modbus slave device e Direct connection to the AC indoor unit The cable fo
4. bus requires a 1209 terminator resistor at each end of the bus to avoid signal reflections In order to prevent fail status detections by the receivers 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 voltage level in the bus when all the transmitters outputs are in three state The ME AC MBS 1 device includes an on board terminator resistor of 120 that can be connected to the RS485 bus by using DIP switch P5 see below A fail safe biasing circuit has also been included in the board of ME AC MBS 1 it can be connected to the RS485 bus by placing the internal jumpers JP2 and JP3 see details below This fail safe biasing of the RS485 bus must only be supplied by one of the devices connected to the bus As this fail safe biasing circuit also provides a termination resistance only one of both must be selected in the ME AC MBS 1 device fail safe biasing jumpers JP2 and JP3 placed or terminator resistor DIP switch P5 position 4 to ON The device providing fail safe biasing or terminator resistor should be the one connected at one end of the bus At the other end of the bus if there is also a ME AC MBS 1 device select the 1209 terminator resistor through DIP switch P5 or if there is a master device not providing internal 120 terminator resistor connect an external 1209 resistor in the bus ter
5. models or CN105 in the rest of models Using the cable that comes with the interface insert one of its connectors the one installed in the shortest uncovered part into the socket of the ME AC MBS 1 and the other connector the one installed in the largest uncovered part to the socket CN92 or CN105 of the AC unit s electronic circuit You can place the ME AC MBS 1 inside or outside the AC indoor unit depending on your needs remember that ME AC MBS 1 must be also connected to the Modbus RTU RS 485 network Close the AC indoor unit s front cover again Do not modify the length of the cable supplied with the interface it may affect to the correct operation of the interface AC indoor unit l 1 I F i i Electronic circuit board ner i ud el peas or E Ka H 2 EH NECEM i i 1 i i M 53mm 1 For wall mount l 3 A i et extract the upper 1 200 mm 40mm ig L i 7 anddownstaples 1 Connection cable pi 4 until you hearthe 1 nu ce ren pate ee tes ee ae E supplied with the dick H CN105 for Domestic line CN92 for Mr Slim line Consult list of models at the end of interface 1 H the document to identify to which line belongs every model t 4 l I I IntesisBox 90 mm ME AC MBS 1 i RS485 I A B I I 4 77 em um em oe Lad Modbus RTU RS485 Intesis Software S L All rights reserved i URL http www intesis com 5 17 This information is subject to chan
6. AC unit Temperature 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 or 16 A remote controller connected to the Mitsubishi indoor unit will report the same temperature setpoint value as this register only when no AC unit external reference is provided from ME AC MBS 1 see detail for register 23 below e AC unit ambient temperature temperature R register 6 in PLC addressing This register reports the temperature that is actually used by the Mitsubishi indoor unit as reference of its own control loop Depending on the configuration of the indoor unit this can be the temperature reported by the sensor in in the return path of the Mitsubishi indoor unit or the sensor of its remote controller It is a read only register Modbus functions 3 or 4 e AC unit external temperature reference R W register 23 in PLC addressing This register allows providing an external temperature reference from Modbus side Mitsubishi indoor unit does not directly allow for devices like ME AC MBS 1 to directly provide a temperature to be used as reference of the control loop of the AC indoor unit In order to overcome that limitation and enable usage of an external temperature sensor i e in Modbus side ME AC MBS 1 applies following mechanism if and only if external reference temperature is bein
7. IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng IntesisBox ME AC MBS 1 T ME AC MBS 1 2110 v 1 16 MODBUS RTU RS 485 Interface for Mitsubishi Electric air conditioners Compatible with all models of Domestic amp Mr Slim lines User Manual Issue Date 03 2013 Order Codes ME AC MBS 1 Modbus RTU Interface for Mitsubishi Electric air conditioners ME AC MBS 1_2110 Modbus RTU Interface for Mitsubishi Electric air conditioners with two digital inputs and one digital output Intesis Software S L All rights reserved URL http www intesis com 1 17 This information is subject to change without notice L3 Email info intesis Intesis mal intro intesis com tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng Intesis Software S L 2013 All Rights Reserved Information in this document is subject to change without notice No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or any means electronic or mechanical including photocopying and recording for any purpose other than the purchaser s personal use without the written permission of Intesis Software S L Intesis Software S L Mila i Fontanals 1 bis 08700 Igualada Spain TRADEMARKS All trademarks and tradenames used in this document are acknowledged to be the copyright of their respective ho
8. and 24 is Fahrenheit xe x ej gt rej ere gt N H NIX NI KN x w X wx wl X w x p X AIX AIXA value for P5 3 x1 x10 is ignored Temperature magnitude in register addresses 5 6 23 and 24 is are represented in degrees x1 default value Temperature magnitude in register addresses 5 6 23 and 24 is are represented in decidegrees x10 EIA485 bus without termination resistor default value P5 Celsius 1x 10x 5 Modbus Termination Internal termination resistor of 1209 connected to EIA485 bust x REX PIX BP xe x NIX NIX N XN X Q X wj gt w w gt ATH AIK A XK OD 11 Device comes from factory with no configured slave address It must be set up during first installation either in DIP switch interface or by using modbus broadcast messages See section 3 5 12 Only in the interfaces connected at both ends of the bus must be activated the termination resistor More information in section 3 7 Intesis Software S L All rights reserved URL http www intesis com 12 17 This information is subject to change without notice t Email info intesis com ntesis E tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 3 4 Implemented Functions ME AC MBS 1 implements the following standard MODBUS functions 3 Read Holding Registers 4 Read Input Registers 6 Write Single R
9. anging baudrate configuration remember to change the baudrate of the Modbus master communicating with ME AC MBS 1 In case that it is desired to configure the interface using its Modbus configuration registers instead of DIP Switches remember to keep all microswitches at low level all zero position 4 Otherwise configuration at DIP Switches will prevail over the values configured at Modbus registers Intesis Software S L All rights reserved s URL http www intesis com 13 17 This information is subject to change without notice t amp Email info intesis com n esis tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 3 6 Device LED indicator The device includes a LED indicator to signal its different possible operational states In the following table are presented the different indications it can perform and its meaning Device status LED indication ON OFF Period Meaning On power up LED pulse ON for 5 seconds OFF after Device reset power up During normal Device correctly operation Pep TissHing sos eS E configured and working During normal LED OFF OFF continuously No Modbus slave address operation configured During normal LED blinking 200ms ON 200ms OFF Communication Error operation with the AC unit 3 7 RS485 bus Termination resistors and Fail Safe Biasing mechanism RS485
10. bient temperature from external sensor at Modbus side 7 22 23 R W 32768 Default value No temperature is being provided from an external sensor Any other C x10 C F AC setpoint temperature 7 When no external temperature is provided this read only register will have same value as register 5 PLC 23 24 R addressing In all ae will se the current setpoint in the indoor unit 16 329C 9C x109C 60 90 F 5 This value is stored in non volatile memory See Section 6 for possible error codes and its explanation See Section 3 2 4 for more information B Magnitude for this register can be adjusted to Celsius x 1 C Celsius x 10 C default or Fahrenheit through DIP switches S4 Intesis Software S L All rights reserved URL http www intesis com 8 17 This information is subject to change without notice n te S i S Email info intesis com IntesisBox is a registered trademark of Intesis Software SL mes tel 34 938047134 IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 3 2 2 Configuration Registers Register Address Register Address protocol address PLC address Fo gsscopuon AC Model 12 13 R W For firmware versions 1 10 onwards value 266 in register 51 it is NOT needed to setup AC model on the interface so this register is not used its value is always 0 Open Window switch off timeout 13 14 R W 0 30 minutes
11. e setpoint using any remote controller from Mitsubishi as setpoint of the indoor unit will become exclusively controlled by the mechanism explained above i e the setpoint obtained in that mechanism will always be enforced in the indoor unit e Current setpoint in AC indoor unit R register 24 in PLC addressing As detailed in previous point actual setpoint in the indoor unit and setpoint requested from ME AC MBS 1 might differ when a value in register 23 external temperature reference is put This register always informs of the actual setpoint being used by the indoor unit this is also the setpoint that will show a additional remote controller from Mitsubishi connected to the indoor unit if present Additionally note that temperature values all these three registers are expressed according to the temperature format configured through its onboard DIP Switches See 3 3 DIP switch Configuration Interface Following formats are possible e Celsius value Value in Modbus register is the temperature value in Celsius i e a value 22 in the Modbus register must be interpreted as 229C e Decicelsius value Value in Modbus register is the temperature value in decicelsius i e a value 220 in the Modbus register must be interpreted as 22 09C e Fahrenheit value Value in Modbus register is the temperature value in Fahrenheit i e a value 72 in the Modbus register must be interpreted as 729F 22 C Intesi
12. egister 16 Write Multiple Registers Although this function is allowed the interface does not allow write operations on more than 1 register with the same request this means that length field should always be 1 when using this function for writes 3 5 Configuration of the device During first installation it is necessary to appropriately set up at least the following configuration parameters in parenthesis its default factory value Modbus Slave Address 0 no address Modbus Baudrate 9600 bps All of them can be setup from both Modbus registers or P5 and P7 DIP Switch interfaces Device comes from factory with all DIP Switches set at low level all zero position OFF At this point the device can be configured by following one of the two following methods Start an RS 485 8N1 communication at 9600 bps with the device and setup registers 15 Slave Address and 14 Baudrate by sending broadcast messages with Slave Address field 0 Note that ME AC MBS 1 always receives broadcast messages though they are never answered back to avoid collisions Configure DIP Switch interface using values shown in Section 3 3 Note that setting up a different baudrate than 9600 bps must be done from Modbus interface This implies that once this value has been changed to another baudrate Modbus interface will cease receiving data at previous baudrate as new baudrate configuration immediately applies So immediately after ch
13. g used o After a couple of values are entered in the AC unit external reference temperature register 23 and AC unit temperature setpoint register 5 ME AC MBS 1 will calculate the temperature demand they imply e g if a temperature setpoint register 5 of 229C and an external temperature reference register 23 of 209C are entered ME AC MBS 1 will assume that the user is demanding a 2 C increase in temperature o By knowing at all times the ambient temperature actually used by the indoor unit to control its own operation register 6 ME AC MBS 1 can calculate the required setpoint so to apply the demand desired by the user following the example above if ME AC MBS 1 reads an ambient temperature register 6 of 24 C in the indoor unit it will apply a final setpoint of 249C 29C 26 C o From this point on whenever ME AC MBS 1 detects that the ambient temperature reported by the indoor unit changes register 6 it will also change the required setpoint accordingly in order to keep the demand required by the user at any time following the example above if ME AC MBS 1 receives a new value for temperature coming from the indoor unit of 259C ME AC MBS 1 will automatically adjust the setpoint required to the AC indoor unit to 25 C 29C 279C o In general ME AC MBS 1 is constantly applying the following formula Sac S T Tac Where Sac setpoint actually applied to the indoor unit S setpoint writ
14. ge without notice l ntes i S Email info intesis com IntesisBox is a registered trademark of Intesis Software SL es tel 34 938047134 IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 2 2 Connection to the RS485 bus Connect the RS485 bus wires to the plug in terminal block the one of two poles of ME AC MBS 1 respect the polarity on this connection A4 and B Respect the maximum distance of 1 200 meters for the bus no loop or star topologies are allowed for RS485 bus a terminator resistor of 120 must be present at each end of the bus to avoid signal reflections and also a fail safe biasing mechanism see section 3 7 for more details 2 3 Connection of the general purpose digital inputs and output Connect dry contacts of other devices to the 2 digital inputs of ME AC MBS 1 2110 as shown below Connect only dry contacts of other devices as internal polarization is given by ME AC MBS 1 2I10 Any device s dry contact e g Window Contact Any device s dry contact e g Key Card Holder Contact AeUnti 23 7 d IntesisBox ME AC MBS 1 1201 MODBUS RTU RS485 Bus L Relay inside ME AC MBS 1 2110 The relay output is also a dry contact normally open that can actuate any device with the following restrictions 30VDC 5A or 250VAC 5A max The monitoring of the state of the inputs as well as the activation deactivation of the relay can be done using Modbus registers of ME AC MBS 1 2110 see
15. hardware error 6603 MNET BUS busy 6606 MNET Line transmission error 6607 MNET transmission error 6607 MNET without ack 6608 MNET transmission error 6608 MNET without response 6831 IR remote control transmission error reception error 6832 IR remote control transmission error transmission error 6840 Transmission error with the indoor outdoor unit reception error 6841 Transmission error with the indoor outdoor unit transmission error 6844 Error in inter connection cable in the indoor outdoor unit indoor unit number deactivated 5 min or more 6845 Error in inter connection cable in the indoor outdoor unit cabling error disconnection 6846 Initial timer deactivated 8001 ME AC MBS 1 device communication error 65535 Status of error has not been obtained from AC yet initialization value 1 if read as a signed value In case you detect an error code not listed contact your nearest Mitsubishi Electric technical support service Intesis Software S L All rights reserved URL http www intesis com 17 17 For hie ange withc otice 2 This information is subject to change without notice n tes j S amp Email info intesis com r IntesisBox is a registered trademark of Intesis Software SL mes tel 34 938047134
16. lders o ei Software S L All rights reserved i URL http www intesis com 2 17 is information is subject to change without notice t amp Email info intesis com n esis tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng INDEX 1 Presentatlon ciecceseisk et corrce ke netu XE RUUE E EXE RERUM X NNEFNRE EUREN ERERFE RE nous ER EUR EUR AER KR 4 2 CONMECUION te 5 2 1 Connect to the AC indoor Unit senseri nir t rato conten x Ede RR CERDO RC RR RE 5 2 2 Connection to the RS485 bus csssssssessssessssese ene ennemeni menie esie enne 6 2 3 Connection of the general purpose digital inputs and output eesesse 6 3 Modbus Interface Specification cceceee cece eee ene ene eee emen emen 7 3 1 Modbus physical LAYER EEE EEE EE EEE 7 3 2 Modbu ls Reglstets uiii ce Pinas enr Iu nin tars ger dE Tbe RR tase E ERAT Y REN RUE aS 7 3 2 1 Control and status registers c ere rue nr a A A E ERR UH XR T E ERO RC 7 3 2 2 Configuration Registers sernir enarak e aan enses esee 9 3 2 3 Auxillary Registers renies ponien one a a eE aa O EE EREA Ead YS 9 3 2 4 Considerations on Temperature Reg SterS s s sssssssrrrsrrrrssrrrsrnnrsrnnnerenenran 10 3 3 DIP switch Configuration Interface esssssssssssssssessen senses emen 12 3 4 Implemented Functions retra creber iri ec bd rea xe e RE E ERU ERE
17. minal block connection of such master device Some Modbus RTU RS485 master devices can provide also internal 120 terminator resistor and or fail safe biasing consult the technical documentation of the master device connected to the RS485 network in every case Intesis Software S L All rights reserved i URL http www intesis com 14 17 This information is subject to change without notice t Email info intesis com ntesis E tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng Location of jumpers and DIP switches for RS485 bus Termination resistor or Fail Safe Biasing selection JP3 ON jumper placed pz Fail safe biasing circuit JP2 ON jumper placed connected to the RS485 bus ON 1 1209 Terminator resistor OFF 4 No resistor To access to internal jumpers JP2 and JP3 extract the top cover of the interface inserting a small screw driver or clip in the holes located at both sides amp of the cover IntesisBox ME AC MBS 1 AC Unit HET DE TETTE NOD Intesis Software S L All rights reserved URL http www intesis com 15 17 This information is subject to change without notice ntes is E Email info intesis com software IntesisBox is a registered trademark of Intesis Software SL tel 34 938047134 IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 4 Specification
18. r this connection is also supplied e Configuration from both on board DIP switches and MODBUS RTU e Total Control and Supervision e Real states of the AC unit s internal variables e Allows using simultaneously the IR remote control and MODBUS RTU e 2 general purpose digital inputs plus 1 relay output available through Modbus registers Modbus RTU RS485 network Modbus RTU master device k maa ME AC MBS 1 2888 Up to 63 AC indoor ME AC MBS 1 i SCADA units PLC DDC BMS HMI Controller etc ME AC MBS 1 Gn 1 In the ME AC MBS 1 2110 version Intesis Software S L All rights reserved URL http www intesis com 4 17 This information is subject to change without notice l n te S j S Email info intesis com IntesisBox is a registered trademark of Intesis Software SL tes tel 34 938047134 IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 2 Connection The interface comes with cable connectors for direct connection to the AC indoor unit and with a plug in terminal block of 2 poles for connection to a Modbus RTU RS 485 network 2 1 Connect to the AC indoor unit To connect the ME AC MBS 1 interface to the AC indoor unit follow these steps Disconnect mains power from the AC unit Open the front cover of the indoor unit in order to have access to the electronic circuit In the electronic circuit locate the socket connector marked as CN92 in Mr Slim
19. s Dimensions 93 x 53 x 58 mm Weight 85 g Operating Temperature 40 85 C Stock Temperature 40 85 C Operating Humidity lt 95 RH non condensing Stock Humidity 9596 RH non condensing Isolation voltage 1000 VDC Isolation resistance 1000 MQ Modbus Media Compatible with Modbus RTU RS485 networks Digital inputs For connection of dry contacts of other devices Internal polarization is given by ME AC MBS 1 2110 Relay output Dry contact 35VDC 5a or 250VAC 5A max LED AC Unit Indicator connection Digital inputs and output DIP Switches pte 23 mm 5 List of supported AC Unit Types A list of Mitsubishi Electric indoor unit model references compatible with ME AC MBS 1 and their available features can be found in http www intesis com pdf IntesisBox ME AC xxx 1 AC Compatibility pdf Only available in the ME AC MBS 1_2110 Intesis Software S L All rights reserved s URL http www intesis com 16 17 This information is subject to change without notice n tes i S amp Email info intesis com IntesisBox is a registered trademark of Intesis Software SL wives tel 34 938047134 IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 6 Error Codes Code De
20. s Software S L All rights reserved i URL http www intesis com 11 17 This information is subject to change without notice n tes i S amp Email info intesis com IntesisBox is a registered trademark of Intesis Software SL vives tel 34 938047134 IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 3 3 DIP switch Configuration Interface All configuration values on ME AC MBS 1 can be written and read from ModBus interface Though some of them can also be setup from its on board DIP switch interface The devices have DIP switches P5 P6 and P7 in the following locations P6 P6 ON dm oo EE AC Unit AC Unit IntesisBox IntesisBox ME AC MBS 1 2110 ME AC MBS 1 ON_12345678 ON1234 HBHBBBHB BEBE P7 P5 P7 P5 P7 P5 The following table applies for configuration of the interface through these DIP switches DIP Decimal oe EM SWITCH volue Switch Position Description 12345 67 8 Slave Address configured through Modbus register 15 P7 4 4 4 4 4 4 4 4 and not through DIP Switch interface Modbus 1 bo 8 b7 address OFF J for0O Slave Address11 1 255 in binary ON for1 Baudrate configured through Modbus register 14 and P5 not through DIP Switch interface Baudrate 9600 bps Temperature magnitude in register addresses 5 6 P5 23 and 24 is Celsius default factory value temperature magnitude Temperature magnitude in register addresses 5 6 23
21. scription 8000 No active error 1102 Discharge Temperature high 1108 Internal thermostat detector working 49C 1110 Outdoor unit fail 1300 Pressure low 1302 Pressure high High pressure probe working 63H 1503 Protection against freeze or battery high temperature 1504 Protection against freeze or battery high temperature 1504 Overheating protection 1509 High pressure error ball valve closed 1520 Super heating anomaly due to low temp of discharge TH4 2500 Erroneous operation of drain pump 2502 Erroneous operation of drain pump 2503 Drain sensor anomaly DS 4030 Serial transmission error 4100 Compressor pause due to excess of current initial block 4101 Compressor pause due to excess of current overload 4102 Phase detection opened 4103 Anti phase detection 4108 Phase opened in phase L2 or connector 51CM opened 4118 Error in the anti phase detector electronic board 4124 Connector 49L opened 4210 Cut due to over current 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 5104 Error detection in discharge temperature 5105 Outdoor probe error TH3 5106 Outdoor probe errorTH7 5107 Outdoor probe errorTH6 5110 Outdoor probe errorTH8 5202 Connector 63L opened 5300 Current probe error 6600 MNET duplicated address definition 6602 MNET Line transmission
22. section 3 2 3 for details Only available in the ME AC MBS 1_ 2110 liess Software S L All rights reserved i URL http www intesis com 6 17 is information is subject to change without notice l t Email info intesis com n esis tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng 3 Modbus Interface Specification 3 1 Modbus physical layer ME AC MBS 1 implements a MODBUS RTU slave interface to be connected to an RS 485 line It performs 8N2 8N1 compatible communication 8 data bits no parity and 2 stop bit with several available baudrates 2400 bps 9600 bps default 19200 bps and 57600 bps 3 2 Modbus Registers All registers are of type 16 bit unsigned Holding Register in standard ModBus big endian notation 3 2 1 Control and status registers Register Address Register Address D R W Description protocol address PLC address P AC unit On Off 0 1 R W 0 Off 1 On AC unit Mode 2 E 0 Auto L 1 Heat 1 2 R W L 2 Dry 3 Fan 4 Cool AC unit Fan Speed E 0 Auto 1 Low 2 SM 2 Mid 1 3 Mid 2 4 High AC unit Vane Position 2 E 0 Auto 1 Horizontal 3 4 R W E 2 Positi n E 3 Position 3 E 4 Position 4 E 5 Vertical 6 Swing AC unit Temperature Setpoint 4 5 R W 16 329C 9C x109C 60 909F AC unit Ambient Temperature 5 6 R
23. ten at Modbus side register 5 T external temperature reference written at Modbus side register 23 Intesis Software S L All rights reserved URL http Awww intesis com 10 17 LI This information is subject to change without notice l n tes f S E Email info intesis com software IntesisBox is a registered trademark of Intesis Software SL tel 34 938047134 IntesisBox ME AC MBS 1 ME AC MBS 1_ 2110 User s Manual r12 eng Tac ambient temperature that the indoor unit is using as reference of its own control loop register 6 Whenever ME AC MBS 1 detects a change in any of the values of 58 T Tac y it will send the new corresponding setpoint Sac to the indoor unit o After startup value for external temperature reference register 23 has value 32768 0x8000 This value means that no external temperature is being provided through ME AC MBS 1 In this scenario setpoint shown or written in register 5 will always have same value as the actual setpoint of the indoor unit o Note that using the external temperature reference register 23 i e writing a value different from 32768 0x8000 in it has following relevant consequences Setpoint reported by any additional remote controller or monitoring device from Mitsubishi connected to the indoor unit in general will be different from the one entered in register 5 of ME AC MBS 1 since the mechanism above is being applied User will not be able to chang
Download Pdf Manuals
Related Search