IntesisBox PA-RC2-MBS-1 English User Manual
Contents
1. 3 Fan 4 Cool AC unit Fan Speed 0 Auto 2 3 R W 1 Low 2 Mid 3 High AC unit Vane Position 0 Vane Off Stand by 1 POS1 Horizontal 2 POS2 Horizontal 3 4 UM 3 POS3 Med 4 POSA Vert 5 POSS Vert 10 SWING AC unit Temperature Setpoint C F 4 5 R W 9C x109C F See section 3 2 3 below AC unit Ambient Temperature 9C 9F 5 6 R 9C x109C F See section 3 2 3 below Window Contact 6 7 R W 0 Closed 1 2 Magnitude for this register be adjusted to Celsius 1 C Celsius x 10 C default or Fahrenheit through DIP switches Intesis Software S L All rights reserved URL http www intesis com 6 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 PA RC2 MBS 1 User s Manual r2 eng Modbus Command Disablement 0 Modbus Commands enabled 7 8 R W default 1 Modbus Commands disabled device in monitor only mode 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 11 12 R Error Code Indoor unit ambient temperature from external2. 49 50 R Device Identification PA RC2 MBS 1 0x1500 5376d 50 51 R Software version All registers are of type 16 bit unsigned Holding Register in standard ModBus big endian notation 3 2 3 Considerations on PA RC2 MBS 1 temperature registers PA RC2 MBS 1 implements four registers containing temperature values 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 RiR2 bus of the Panasonic indoor unit will report the same temperature setpoint value as this register only when no AC unit external reference is provided from PA RC2 MBS 1 see detail for register 23 below AC unit ambient temperature temperature R register 6 in PLC addressing This register reports the temperature that is actually used by the Panasonic 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 Panasonic indoor unit or the sensor of an additional remote controller in the R1R2 bus It is a read only register modbus functions 3 or 4 AC unit external temperature reference R W register 23 in PLC addressing This register allows providing an external temperature reference from modbus s
3. EN p Table 3 1 Modbus Slave address Default value Intesis Software S L All rights reserved URL http Awww intesis com 10 17 This information is subject to change without notice n tes j S E Email info intesis com 34 938047134 IntesisBox is a registered trademark of Intesis Software SL vives tel IntesisBox PA RC2 MBS 1 User s Manual r2 eng Switches Decimal value Description 12345678 00 2400bps XXXXxx10 4800bps XXXxxx01 9600bps default value 1 19200bps Table 3 2 Modbus baud rate S4 Other Degrees Decidegress x10 temperature magnitude 9C 9F and EIA485 termination resistor Decimal Switches EM waite 1234 Description Temperature values in Modbus register are represented in degrees x1 default value Temperature values in Modbus register are represented in decidegrees x10 Temperature values in Modbus register are represented in Celsius degrees default value Temperature values in Modbus register are represented in Fahrenheit degrees EIA485 bus without termination resistor default value Internal termination resistor of 1200 connected to EIA485 bus Table 3 3 Temperature and termination configuration 3 4 Implemented Functions PA RC2 MBS 1 implements the following standard MODBUS functions 3 R
4. i door or o door unit not working wiring fault System Controller fault error in receiving comms signal i door or o door unit not working wiring fault CN1 not connected correctly Seite Issues GHP Clutch fault 39 C25 Host terminal processing failure Intesis Software S L All rights reserved URL http www intesis com 14 17 m This information is subject to change without notice n tes i S E Email info intesis com software IntesisBox is a registered trademark of Intesis Software SL tel 34 938047134 IntesisBox PA RC2 MBS 1 User s Manual r2 eng C26 Host terminal communication failure C28 Reception error of S DDC from host terminal C29 Initialization failure of S DDC C31 Configuration change detected by adaptor Remote control detecting error from indoor unit Address not set Auto address failed Check interconnecting wiring etc Re address system Remote detecting error from indoor unit Indoor unit detecting error from remote Indoor seeing error from outdoor Qty of i d units connected are less than qty set Check all i d units are ON reset turn off all units wait 5min power up comms signal comms signal comms signal wireless controller not disabled comms signal Indoor unit detecting error from option plug Error in receiving 3A 3C 3D 3F m 4 9 ojo Po A T AR Aj gt R A AB AB N M A c A A Communic
5. www intesis com 17 17 his information is subject to change without notice n tes i S E Email info intesis com IntesisBox is a registered trademark of Intesis Software SL vives tel 34 938047134
6. 13 6 Efror CodeS m EE 14 E 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 Intesis gt IntesisBox is registered trademark of Intesis Software SL IntesisBox PA RC2 MBS 1 User s Manual r2 eng 1 Presentation The PA RC2 MBS 1 interface allows a complete and natural integration of Panasonic and Sanyo air conditioners into Modbus RTU EIA485 networks Compatible with all models of ECOi and PACi 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 EIA485 networks PA RC2 MBS 1 is a Modbus slave device e Direct connection to the AC indoor unit 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 control panel and MODBUS RTU Modbus RTU EIA485 network qsg Modbus RTU c master device PA RC2 MBS 1 Up to 63 AC indoor PA RC2 MBS 1 i SCADA units PLC DDC BMS HMI Controller etc PA RC2 MBS 1 seem Intesis Software S L All rights reserved URL http www intesis com 4 17 This information is subject to change without notice n tes j
7. S Email info intesis com IntesisBox is a registered trademark of Intesis Software SL tes tel 34 938047134 IntesisBox PA RC2 MBS 1 User s Manual r2 eng 2 Connection The interface comes with two plug in terminal blocks of 2 poles for connection to a Modbus RTU EIA485 network and to the Panasonic R1R2 bus sees 1 1 It is not mandatory to have it in the network 1 Control Panel AC Indoor Unit Internal i electronic j control board 1 1 1 M MODBUS RTU EIA485 Max 500 m Bus 2 1 Connect to the AC indoor unit To connect the PA RC2 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 R1R2 Using a cable connect the interface to R1R2 bus in any point of the bus The R1R2 bus is the bus that connects the AC indoor unit and the wired remote controller is a two wire bus connecting terminals R1R2 of both and has no specific polarity Respect the maximum distance of 500 m for the bus length 2 2 Connection to the EIA485 bus Connect the EIA485 bus wires to the plug in terminal block the one of two poles of PA RC2 MBS 1 respect the polarity on this connection A and B Respect the maximum distance
8. above if PA RC2 MBS 1 receives a new value for temperature coming from the indoor unit pf 25 C PA RC2 MBS 1 will automatically adjust the setpoint required to the AC indoor unit to 25 C 29 279C Intesis Software S L All rights reserved URL http www intesis com 8 17 This information is subject to change without notice tes S E Email info intesis com IntesisBox is a registered trademark of Intesis Software SL wives tel 34 938047134 IntesisBox PA RC2 MBS 1 User s Manual r2 eng In general PA RC2 MBS 1 is constantly applying the following formula Sac S m T Tac Where Sac setpoint actually applied to the indoor unit setpoint written at modbus side PA RC2 MBS 1 register 5 T external temperature reference written at Modbus side PA RC MBS 1 register 23 Tac ambient temperature that the indoor unit is using as reference of its own control loop register 6 Whenever PA RC2 MBS 1 detects a change in any of the values of 58 T Tac it will send the new corresponding setpoint Sac to the indoor unit After startup value for external temperature reference register 23 has value 32768 0x8000 This value means that no external temperature is being provided through PA RC2 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 Note that using the external temperature refere
9. of 1200 meters for the bus no loop or star topologies are allowed for EIA485 bus a terminator resistor of 120 O must be present at each end of the bus to avoid signal reflections and also a fail safe biasing mechanism see section 3 6 for more details In some models the R1R2 connector is not present Find the Control Panel remote controller bus and connect the cable coming from the IntesisBox gateway into these cables as if they were the R1R2 connector Intesis Software S L All rights reserved URL http www intesis com 5 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 tes tel 34 938047134 IntesisBox PA RC2 MBS 1 User s Manual r2 eng 3 Modbus Interface Specification 3 1 Modbus physical layer PA RC2 MBS 1 implements a MODBUS RTU slave interface to be connected to an EIA485 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 signed Holding Register in standard ModBus big endian notation 3 2 1 Control and status registers Register Addr Register Addr protocol address PLC address R W Description AC unit On Off 0 1 R W 0 Off 1 unit Mode 0 Auto 1 5 R W 1 Heat 2
10. trademark of Intesis Software SL IntesisBox PA RC2 MBS 1 User s Manual r2 eng 4 Specifications Dimensions 93 x 53 x 58 mm Weight 85g Operating Temperature 0 40 C Stock Temperature 0 40 C Operating Humidity lt 95 RH non condensing Stock Humidity lt 95 RH non condensing Isolation voltage 1000 VDC Isolation resistance 1000 MQ Modbus Media Compatible with Modbus RTU EIA485 networks LED AC Unit Indicator connection DIP Switches EIA485 Port prm mm 5 List of supported AC Unit Types A list of Panasonic and Sanyo indoor unit model references compatible with PA RC2 MBS 1 and their available features can be found in Panasonic http www intesis com pdf IntesisBox PA RC2 xxx 1 Panasonic Compatibility pdf Sanyo http www intesis com pdf IntesisBox PA RC2 xxx 1 Sanyo Compatibility pdf Intesis Software S L All rights reserved s URL http www intesis com 13 17 This information is subject to change without notice n tes i S Email info intesis com IntesisBox is a registered trademark of Intesis Software SL wives tel 34 938047134 IntesisBox PA RC2 MBS 1 User s Manual r2 eng 6 Error Codes Error in Control Error category Error Description GHP Wax Valve 3 Way fault GHP Engine stalled Incorrect connection of central control System Controller fault error in transmitting comms signal
11. Intesis Software S L All rights reserved URL http www intesis com 15 17 his information is subject to change without notice t Email info intesis com ntesISa IntesisBox is a registered trademark of Intesis Software SL IntesisBox PA RC2 MBS 1 User s Manual r2 eng Comp Compressor Issues Setting Error Indoor unit group setting error Duplication of main indoor unit address in group control Duplication of outdoor unit system address shown on controllers set as priority shown on controllers not set as priority Incorrect Settings Indoor unit fault Fan motor thermal overload Outdoor unit fault Compressor motor thermal overload over or under voltage Indoor Unit Outdoor unit fault Compressor discharge temperature too high Problems Comp1 over 111 C Low on ref gas exp valve pipework damage Outdoor unit fault High pressure trip E5 P05 Outdoor unit fault Open phase on power supply Check power on Compressor Fault Oil sensor connection failure Setting Error Indoor outdoor unit type model miss matched Compressor Fault Low oil level Intesis Software S L All rights reserved URL http www intesis com 16 17 formatio ect to change with otice This information is subject to change without notice n tes 5 E Email info intesis com software IntesisBox is a registered trademark of Intesis Software SL tel 34 938047134 IntesisBox PA RC2 MBS 1 Use
12. IntesisBox PA RC2 MBS 1 User s Manual r2 eng s IntesisBox PA RC2 MBS 1 T MODBUS RTU EIA485 Interface for Panasonic and Sanyo air conditioners Compatible with ECOi and PACi line models User Manual Issue Date 06 02 2013 Order Codes PA RC2 MBS 1 E ie Software S L All rights reserved i URL http www intesis com 1 17 is information is subject to change without notice t Email info intesis com n esis tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox PA RC2 MBS 1 User s Manual r2 eng Intesis Software S L 2012 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 holders Intesis Software S L All rights reserved URL http www intesis com 2 17 This information is subject to change without notice tes j S Email info intesis com IntesisBox is a registered trademark of Intesis Software SL ee tel 34 938047134 IntesisBox PA RC2 MBS 1 Us
13. ation Auto addressing failed Auto address connector CN100 shorted Problems during auto addressing Indoor unit failed to send signal to remote controller IN than number set than number set IN m imm rm a or AIO nm Setting Failure Duplication of master indoor units Group control wiring error Main indoor unit not receiving signal for sub indoor units Auto addressing failed No indoor units connected Auto addressing failed Error on sub outdoor unit No R my rm e o Auto addressing failed Error on outdoor unit address setting Auto addressing failed Quantity of main and sub outdoor units do not correspond to the number set on main outdoor unit P C B gt Auto addressing failed Sub outdoor unit not receiving comms for main outdoor unit Between units Comms failure with MDC does E31 remain after Group control wiring error Main indoor unit not sending signal for sub indoor units power is re instated If so replace PCB amp power PCB Outdoor Discharge temp sensor failure TD or DISCH1 Outdoor Discharge temp sensor failure DISCH2 Outdoor Heat Exch temp sensor failure C1 or EXG1 Outdoor Heat Exch temp sensor failure C2 or EXL1 eB F11 Indoor outlet temp sensor failure 6C F12 Outdoor Intake sensor failure TS N eo Co Ty TI ojo 1 eo
14. ead Holding Registers 4 Read Input Registers 6 Write Single Register 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 Only in the interfaces connected at both ends of the bus must be activated the termination resistor More information in section 3 6 Intesis Software S L All rights reserved 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 PA RC2 MBS 1 User s Manual r2 eng 3 5 Device LED indicator The device includes two LED indicators to signal its different possible operational states In this section their meaning is explained L1 yellow Operation ON OFF Meaning Blinking 500 ms 500 ms Communication error Flashing 100 ms 1900 ms Normal operation configured and working L1 yellow amp L2 red Operation ON OFF Meaning Pulse 5 sec Device start up Alternate blinking 500 ms 500 ms EEPROM failure 3 6 485 bus Termination resistors and Fail Safe Biasing mechanism EIA485 bus requires a 120Q terminator resistor at each end of the bus to avoid signal reflections In order t
15. er s Manual r2 eng INDEX 1 PFESCNLATION ERE RES EUREN ERE REF E RE none EUR AER KK A 4 2 CONMECUION e wn 5 2 1 Connect to the AC indoor unitis xen Ete xr TUR EY ne C e n CR e Ni n a 5 2 2 Connection to the EIA485 DUS cc enemies nnns nnn nnn nnn 5 3 Modbus Interface Specification iic scies ener a eee a aede e aae pa ada 6 3 1 2 2 tete xe ER naue Een keen EE ye ER te ERE dtd RR ek 6 3 2 Modbus 6 i ocu e rete eia tend OR Re ns onsen cate devoting a EUREN CAM FER 6 3 2 1 Control and Status registers iiic sese ker Rer ERE RETERRIMRX ERN ga 6 3 2 2 Configuration Registers tx t E RR RE E X XR E EO CR 7 3 2 3 Considerations on PA RC2 MBS 1 temperature registers 8 3 3 DIP switch Configuration Interface 10 3 4 Implemented FUNCtIONS ccccccce cece eee eee ene nean sea sea sea sea sea sea nn nnn nnn 11 3 5 Device LED indicator ssesseseesseeeennn nennen means sea sea sea sea sea sna nn nn nn nnn 12 3 6 EIA485 bus Termination resistors and Fail Safe Biasing mechanism 12 4 Specifications enrii xe Rp aT n P n Re e E a Te nde E KORR eh ua 13 5 List of supported AC Unit mene nnn nnn
16. ide R1R2 does not directly allow for devices like PA RC2 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 PA RC2 MBS 1 applies following mechanism if and only if external reference temperature is being 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 PA RC2 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 PA RC2 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 PA RC2 MBS 1 can calculate the required setpoint so to apply the demand desired by the user following the example above if PA RC2 MBS 1 reads an ambient temperature register 6 of 24 C in the indoor unit it will apply a final setpoint of 24 C 29C 26 C o From this point on whenever PA RC2 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
17. nce 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 Panasonic in R1R2 in general will be different from the one entered in register 5 of PA RC2 MBS 1 since the mechanism above is being applied User will not be able to change setpoint using any remote controller from Panasonic 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 PA RC2 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 an additional remote controller from Panasonic in the R1R2 bus 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 Celsius value Value in Modbus register is the temperature value in Celsius i e a value 22 in the Modbus register must be interpre
18. o 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 PA RC2 MBS 1 device includes an on board terminator resistor of 120Q that can be connected to the EIA485 bus by using DIP switch P5 see below Fail safe biasing of the EIA485 bus must only be supplied by one of the devices connected to the bus 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 PA RC2 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 1200 resistor in the bus terminal block connection of such master device Some Modbus RTU EIA485 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 EIA485 network in every case Intesis Software S L All rights reserved URL http www intesis com This information is subject to change without notice Email info intesis Intesis amp mail info intesis com tel 34 938047134 12 17 IntesisBox is a registered
19. r s Manual r2 eng each phase inverter pcb control pcb Indoor unit fault Ceiling panel incorrectly wired Refrigerant loss high discharge temp and EEV wide open and low compressor current draw Outdoor unit fault Compressor discharge temperature too high Comp2 over 111 degC Low on ref gas exp valve pipework damage Outdoor unit fault 4 way valve failure i door temp rises in cooling or fills in heating Check wiring coil pcb output valve operation Ref gas high temp pressure fault heat exch temp high C2 55 60 degC cooling over load sensor fault Outdoor unit fan motor fault fan blade jammed check connections does fan turn freely motor resistance 30 400hm on each pair fan fault yes pcb fault Outdoor unit fault Compressor overcurrent check winding resistance Inverter failure check internal resistance term HIC amp to UVW 200 300Kohm or more Outdoor unit fault Inverter circuit fault Motor current Detection Circuit MDC fault check comp windings sensors C1 amp TS if ok possible pcb failure Indoor unit fault System controller detected fault on sub indoor unit Simultaneous operation multi control fault Group controller fault PA RC2 MBS 1 Error in the communication of PA RC2 MBS 1device with the AC unit In case you detect an error code not listed contact your nearest Panasonic or Sanyo technical support service Intesis Software S L All rights reserved URL http
20. sensor at Modbus side 22 23 R W 32768 Default value No temperature is being provided from an external sensor Any other C x10 C F See section 3 2 3 below Current setpoint in AC indoor unit C x10 C F This read only register shows the setpoint of the indoor unit when 23 24 R register indoor unit ambient temperature from external sensor 23 in PLC addressing is not used value for register 24 and register 5 will be the same See section 3 2 3 below 3 2 2 Configuration Registers Register Addr Register Addr rm protocol address PLC address RAW 12 13 R W Reserved Open Window switch off timeout 13 14 R W 0 30 minutes Factory setting 30 minutes Modbus RTU baud rate bps 2400 14 15 R 4800 9600 19200 15 16 R Device s Modbus slave address 1 63 21 22 R Max number of fan speeds 3 fixed value Value of this register is stored in non volatile memory EEPROM 4 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 7 17 This information is subject to change without notice t Email info intesis com n esis tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox PA RC2 MBS 1 User s Manual r2 eng
21. ted as 229C 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 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 220 Intesis Software S L All rights reserved URL http www intesis com 9 17 This information is subject to change without notice n tes S E Email info intesis com IntesisBox is a registered trademark of Intesis Software SL wives tel 34 938047134 IntesisBox PA RC2 MBS 1 User s Manual r2 eng 3 3 DIP switch Configuration Interface All configuration values on PA RC2 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 They are DIP switches S1 53 and 54 on the device in the following location S1 51 ON 1234 20 0000 DIP Switch 51 is not used by current version of PA RC2 MBS 1 AC Unit IntesisBox PA RC2 MBS 1 EIA485 A B ON 12345678 ON 1234 DOBDDODOD 0086 S3 S4 S3 S4 The following table applies for configuration of the interface through these DIP switches S3 Modbus protocol Slave address and baudrate Switches Switches Switches Switches 1234567 1234567 12 3 4 56 7 1234567 o un Gin Go v ouoju amp olWv p N un
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