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BMS Interface for 

Toshiba 

Air-Conditioning 

 

Installation and User Guide 

 

www.microtrol.co.uk

Summary of Contents for Black Pear

Page 1: ...BMS Interface for Toshiba Air Conditioning Installation and User Guide www microtrol co uk ...

Page 2: ...BACnetTM is a registered trademark of ASHRAE American Society of Heating Refrigerating and Air Conditioning Engineers Inc ...

Page 3: ...rt Configurations 14 7 2 HVAC Status and Control Registers 15 7 3 Additional Register Usage 16 7 4 Parameter Settings 17 7 5 Modbus Table Overview 18 8 Trend Interface TT 64x only 20 8 1 Trend Process Description 21 8 2 Trend IQx Outstation Configuration 22 8 3 Parameter Settings 23 9 BACnet Interface TB 64x only 24 9 1 Object Types 25 9 2 Service List 25 9 3 Object List 26 9 4 Object Names 28 9 5...

Page 4: ...2 1 Supplied Parts or Black Pear with display Black Pear without display USB cable Cat 5 Straight Through Ethernet cable DIN rail clips ...

Page 5: ...ation contained in this manual Make all connections securely so that any outside forces acting on the cables are not applied to the terminals Never modify or repair the Black Pear by yourself Any attempt to do so will void the warranty To dispose of this product consult your dealer This unit will require setting up using the free configuration software available on our website Please go to www mic...

Page 6: ...with an LCD display and one with LED indicators The display version also includes a simple keypad providing convenient local control There are 3 models each available with or without a display providing different protocol solutions TM 64 TM 64D Modbus RTU via RS232 RS485 and Modbus TCP TB 64 TB 64D BACnet IP TT 64 TT 64D Trend via ethernet Also requires an IQ3 4 outstation with spare memory The BA...

Page 7: ... The internal fuse is rated T630mA THIS EQUIPMENT MUST BE EARTHED 4 2 HVAC Communications Network TCC LINK Connect to outdoor unit terminals U3 and U4 as per a standard central controller These are non polarized Reset Button Power Supply HVAC Serial Comm Ports Digital In Out 24v AC N C USB 10 100 Base T Ethernet To Ethernet RS485 B RS485 A Out In RS232 Tx RS232 Rx Common To HVAC Network To PC for ...

Page 8: ...s The Base Slave Address must be set to prevent multiple units using the same slave numbers It is recommended that screened twisted pair cable is used RS485 A is the non inverting signal and is also named RS485 RS485 B is the inverting signal and is also named RS485 Common should be connected to the cable screen Serial Comms Port Pin 5 Pin 3 Pin 2 To PC Comm Port 9 PIN D SUB FEMALE Serial Comms Po...

Page 9: ...ace is used for configuration via a PC and for upgrading the firmware Ensure that the correct USB driver has been installed prior to connecting the Black Pear to a PC 4 6 Ethernet The Black Pear is a 10 100Base T half full duplex device It supports auto negotiation and also features auto crossover Auto MDIX allowing the use of either a straight through or crossover cable It does not currently supp...

Page 10: ... Unit DN 03 2 Indoor Unit DN 03 3 VRF Outdoor System Address 2 Indoor Unit DN 03 4 Indoor Unit DN 03 5 Indoor Unit DN 03 6 Split System Indoor Unit System Address 3 DNO3 7 Black Pear U1 U2 U1 U2 U3 U4 U3 U4 TCB PCNT30TLE2 Network Adapter required for some Split Indoor units Fig 4 Addressing Example ...

Page 11: ... software The groupings determine which unit addresses can accept commands from the BMS system The group number is defined as the lowest indoor unit address within the group This then becomes the master address for the group and is the only address within that group that can accept commands The other units within a group can be classed as slave units and contain the same status parameter values as...

Page 12: ...Enter Accept Button Back Cancel Button Power LED HVAC Network LED Flashes on a valid incoming message BMS Network LED Flashes on a valid incoming message Main Menu System Overview Configuration Modbus Network Unit Status Unit Control Fig 5 Screen Hierarchy ...

Page 13: ...s complete Network Link N C Not connected Status Auto negotiation in progress 10hd 10Mb half duplex 10fd 10Mb full duplex 100hd 100Mb half duplex 100fd 100Mb full duplex USB Status blank Not connected USB Connected HVAC Address 0 Fixed address when the Black Pear is acting as the central controller 1 to 127 User configured address when a central controller is already present on the system Menu Sel...

Page 14: ... 64 Pressing the key will return to the Main Menu screen Selection Cursor Controlled using the navigation buttons Pressing on a numbered cell will display the unit status screen A large number is a Group Master A small number is a Slave Unit An inverted number indicates the unit is ON A flashing number indicates the unit is in error ...

Page 15: ...nd forward through all available fan coils The key will return to the System Overview screen Only a Group Master will show a cursor to allow the current settings to be altered Use the and keys to select a setting to be changed The appropriate parameter setting window will be displayed Use the keys to choose a new setting to accept the change or to cancel the change ...

Page 16: ...ault Modbus TCP port 2 uses a user configurable TCP port number Modbus functions supported Fn 1 Read Coils Fn 3 Read Holding Registers Fn 5 Write Single Coil Fn 6 Write Single Register Fn 16 Write Multiple Registers Max 16 registers at once RS232 RS485 Black Pear TM 64x Outdoor Units Indoor Units Modbus RTU BMS System Serial Comms cable Not supplied Ethernet Modbus TCP BMS System Cat 5 cable Suppl...

Page 17: ...nts 1 unit Each slave is organised as follows General Information Extended Information Extra Information Unit A Unit B Unit C Unit A Unit B Unit C Unit A Unit B Unit C Offset 0 Offset 10 Offset 20 Offset 30 Offset 40 Offset 50 Offset 60 Offset 70 Offset 80 General information for a single unit Extended information for a single unit Extra information for a single unit Register Offset Stored Value R...

Page 18: ... A Inhibit W 8 Unit B Inhibit R 9 Unit B Inhibit W 10 Unit C Inhibit R 11 Unit C Inhibit W Note Coil access is not available when Single Slave Access is enabled 7 3 Additional Register Usage Slave Offset Single Slave Offset Description Valid Settings 22 150 2040 HVAC Network Status 00 Waiting 01 Searching 02 Ready 03 Unknown 22 151 2041 System Force Off 00 Not active 01 Active See Section 9 5 for ...

Page 19: ...C to 29o C Hi res Setpoint 18 0o C to 29 0o C register contains the value multiplied by 10 eg 255 25 5o C Operation Mode 00 Fan Draft 01 Cool 02 Heat 03 Dry 04 Auto 05 Not Used 06 AutoCool 07 AutoHeat Not settable 08 Heat Exchange 09 VN Auto 10 VN Bypass VN units only Fan Speed 00 Low 01 Medium 02 High 03 Auto On Off 00 Off 01 On Air Direction 00 Horizontal 01 22 deg 02 45 deg 03 67 deg 04 Vertica...

Page 20: ...40 70 550 580 2 8 21 7 20 50 80 560 590 4 10 22 8 0 30 60 630 660 0 6 23 8 10 40 70 640 670 2 8 24 8 20 50 80 650 680 4 10 25 9 0 30 60 720 750 0 6 26 9 10 40 70 730 760 2 8 27 9 20 50 80 740 770 4 10 28 10 0 30 60 810 840 0 6 29 10 10 40 70 820 850 2 8 30 10 20 50 80 830 860 4 10 31 11 0 30 60 900 930 0 6 32 11 10 40 70 910 940 2 8 33 11 20 50 80 920 950 4 10 34 12 0 30 60 990 1020 0 6 35 12 10 4...

Page 21: ...Base Offset On Off Inhibit 53 18 10 40 70 1540 1570 2 8 54 18 20 50 80 1550 1580 4 10 55 19 0 30 60 1620 1650 0 6 56 19 10 40 70 1630 1660 2 8 57 19 20 50 80 1640 1670 4 10 58 20 0 30 60 1710 1740 0 6 59 20 10 40 70 1720 1750 2 8 60 20 20 50 80 1730 1760 4 10 61 21 0 30 60 1800 1830 0 6 62 21 10 40 70 1810 1840 2 8 63 21 20 50 80 1820 1850 4 10 64 22 0 30 60 1890 1920 0 6 ...

Page 22: ...d IQ outstation and uses sensors switches and knobs defined in the IQx memory to mirror a range of HVAC parameters making them available on a Trend network Black Pear TT 64x Outdoor Units Indoor Units Ethernet Trend IQx Outstation with vCNC Cat 5 cable Supplied TCC LINK Trend Supervisor Fig 7 Trend System Example ...

Page 23: ...k Pear will transfer all current parameter settings to the appropriate objects in the destination Trend outstation This process is called the First Pass This ensures that the values in the Black Pear and the Trend device are in sync Until the First Pass is complete all commands sent from the Trend network to the Black Pear will be ignored The re connection time is calculated from the CNC Usage set...

Page 24: ...owing table shows the object numbers required for addresses 1 2 63 and 64 FC 1 FC 2 FC 63 FC 64 Sensors 100 to 101 103 to 104 286 to 287 289 to 290 Switches 50 to 51 52 to 53 174 to 175 176 to 177 Knobs 50 to 53 54 to 57 298 to 301 302 to 305 The Black Pear can be configured to enable only those objects of interest to the user therefore reducing the memory overhead required in the IQ outstation An...

Page 25: ... of valid parameter settings Notes As of firmware v2 29 the return air sensor and the setpoint knob will contain temperatures valid to 1 dp with 0 5o C resolution Setting the setpoint to 1 dp is reliant on the HVAC unit accepting setpoint commands to this resolution ...

Page 26: ...ng Segmentation Not Supported Maximum APDU length supported 206 octets Object List Supported Device ID User settable 1 Device Name User settable 1 Object Names User settable 1 Notes 1 Only settable via PC configuration program Black Pear TB 64x Outdoor Units Indoor Units BACnet IP Ethernet BACnet BMS System Cat 5 cable Supplied TCC LINK Fig 8 BACnet System Example ...

Page 27: ...mand 7 Device 8 Yes Event Enrollment 9 File 10 Group 11 Loop 12 Multi State Input 13 Yes Multi State Output 14 Yes Notification Class 15 Program 16 Schedule 17 Averaging 18 Multi State Value 19 Trend Log 20 9 2 Service List Supported Services Read Property 12 Read Property Multiple 14 Write Property 15 Write Property Multiple 16 Who Has 33 I Have 27 Who Is 34 I Am 36 ...

Page 28: ...o 11 VN Bypass VN units only Operation Mode State Multi State Input 1xxx05 01 Fan 02 Cool 03 Heat 04 Dry 05 Auto 06 N A 07 Auto Cool 08 Auto Heat 09 Heat Exchange 10 VN Auto 11 VN Bypass VN units only Fan Speed Setup Multi State Output 1xxx06 01 Low 02 Medium 03 High 04 Auto Fan Speed State Multi State Input 1xxx07 01 Low 02 Medium 03 High 04 Auto Room Temperature Analog Input 1xxx08 Setpoint Temp...

Page 29: ...06 Swing 07 Hold Ventilation Setup Multi State Output 1xxx15 01 Off 02 Low 03 High Ventilation State Multi State Input 1xxx16 01 Off 02 Low 03 High Unused 1xxx17 Unused 1xxx18 Unused 1xxx19 Unused 1xxx20 Unused 1xxx21 Unused 1xxx22 HVAC Network Status Multi State Input 100023 01 Waiting 02 Searching 03 Ready 04 Unknown System Force Off Binary Value 100024 Inactive Off Active On Device Device zzz z...

Page 30: ...LI_w Local Inhibit State nnn LI_r Air Direction Setup nnn AD_w Air Direction State nnn AD_r Ventilation Setup nnn VN_w Ventilation State nnn VN_r HVAC Network Status Sys_HVAC_Network_Status System Force Off Sys_Force_Off where nnn is the unit name entered via the configuration program As of firmware v2 29 the room temperature object and the setpoint read and write objects will contain temperatures...

Page 31: ...Pear has been restarted and is preparing to start scanning the HVAC network Searching The Black Pear is performing its initial scan of the HVAC network looking for active units with addresses in the range 1 to 64 Ready The initial scan is complete and the Black Pear will now accept new commands Unknown An undefined state has been detected Note Until the status Ready commands send to the Black Pear...

Page 32: ...ed when mounting the enclosure on a back panel The holes marked B can be used to attach the supplied din rail clips 117mm Reset Button Power Supply HVAC Serial Comm Ports Digital In Out USB 10 100 Base T Ethernet 210mm 202mm 39mm A A A A B B B B 91mm Fig 9 Dimensions ...

Page 33: ...hen reset the unit Settings Restored None Level 2 With the unit already ON press and hold in the reset button After approximately 5 seconds and depending on the type of unit either the Power led will start to flash slowly approx 3 per second or the Level 1 Reset message will be displayed Continue to hold in the reset button until either the Power led starts to flash rapidly approx 10 per second or...

Page 34: ... 47808 New Setting Comparison Disabled Register as Foreign Device Disabled Foreign Device Reg TTL 1800 seconds Preserve PVs PAs Disabled Input PV Output PV Disabled Function 2 Enable Bootloader Mode Bootloader mode allows the firmware to be updated from a PC Press and hold in the reset button while powering up the unit Continue to hold in the reset button for approx 5 seconds The unit is now in bo...

Page 35: ...ng on the model and an IQ41x has a capacity of 10000 brIQs 3 This table shows the number of brIQs needed for various system sizes and parameter requirements Parameter Usage brIQs per FC 16 FC system 32 FC system 64 FC system All parameters 224 3584 7168 14336 Return Air Error Code 152 2432 4864 9728 Return Air Error code On Off Setpoint 175 2800 5600 11200 Return Air Error Code On Off Inhibit Setp...

Page 36: ...r Error code On Off Setpoint 257 57 114 171 171 211 57 Return Air Error Code On Off Inhibit Setpoint Mode Fan Speed 213 47 94 142 142 175 47 Note 1 When calculating the number of outstations required for a system it is recommended to allow some spare capacity for strategy and other configuration data 2 A single Black Pear device can only communicate with 1 Trend outstation but multiple Black Pears...

Page 37: ... 2019 E19 Outdoor header units quantity error 2020 E20 Other line connected during automatic address 2023 E23 Sending error in communication between outdoor units 2025 E25 Duplicated follower outdoor address 2026 E26 Decrease of No of connected outdoor units 2028 E28 Follower outdoor unit error 2031 E31 IPDU communication error 3001 F01 Indoor TCJ sensor error 3002 F02 Indoor TC2 sensor error 3003...

Page 38: ...r error 7003 P03 Discharge temp TD1 error 7004 P04 High pressure switch detection error 7005 P05 Phase missing detection Phase order error 7007 P07 Heat sink overheat error 7010 P10 Indoor overflow error 7012 P12 Indoor fan motor error 7013 P13 Outdoor liquid back detection error 7015 P15 Gas leak detection 7017 P17 Discharge temp TD2 error 7019 P19 4 way valve inverse error 7020 P20 High pressure...

Page 39: ...2 17 mcb Corrected some typo errors 23 05 2014 v1 04 v2 18 mcb Important Information now includes comment about configuration software Added P30 error code 17 12 2014 v1 05 v2 26 mcb Corrected typo in section 7 2 23 04 2015 v1 06 v2 27 mcb updated section 4 4 to describe Global Forced Off feature 11 11 2015 v1 07 v2 29 mcb Modbus registers now include hi res RA and SP Trend and BACnet sections now...

Page 40: ...Microtrol Ltd 16 Elgar Business Centre Moseley Road Hallow Worcester WR2 6NJ UK Tel 44 0 1905 641910 Email sales microtrol co uk ...

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