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Related Manuals for Daikin EKMBPP1A
Summary of Contents for Daikin EKMBPP1A
- Page 1 Installation manual Modbus adapter EKMBPP1 Installation manual English EKMBPP1A Modbus adapter...
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Page 2: Table Of Contents
6.3.2 Modbus registers ..............21 6.3.3 Modbus master timeout ............22 6.3.4 Terminating resistor settings ........... 23 6.4 Control functions ................23 6.4.1 Unit control ................23 6.4.2 Control update mode .............. 24 Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... -
Page 3: About This Document
Read this installation manual prior to use and keep it for future reference. Also read the installation manual of the indoor unit before installing the EKMBPP1(A) adapter. Damage caused by non-observance of these instructions are not under the responsibility of Daikin. EKMBPP1+EKMBPP1A Installation manual Modbus adapter... -
Page 4: Specific Installer Safety Instructions
▪ Format: paper (supplied in the kit) The latest revision of the supplied documentation is published on the regional Daikin website and is available via your dealer. The original instructions are written in English. All other languages are translations of the original instructions. - Page 5 Do NOT turn on the indoor unit power supply before you have mounted the PCB inside the unit (with or without installation box or mounting plate), connected the electrical wiring and closed the indoor unit or indoor unit switch box. Possible consequence: electrocution. EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11...
- Page 6 If this happens, consult your dealer. ▪ In case you drop or damage the adapter, disconnect the indoor unit from its power supply. Otherwise, this can lead to fire or malfunction. If this happens, consult your dealer. Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11...
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Page 7: About The Kit
X1A Power supply connector X2M RS-485 connector (Modbus) X7M P1P2 connector [ 4 18] for more information about LED LED*, HAP Status LEDs (see "6 Configuration" behaviour) DS1 DIP switch SS* Slide switches EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... -
Page 8: Basic Parameters
Make sure the indoor unit is compatible with the kit. For an exhaustive list of compatible models and the corresponding required installation box, see the compatibility matrix or data book of the indoor unit or the general catalogue. Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... -
Page 9: About The Box
About the box To unpack the adapter a EKMBPP1(A) Modbus adapter PCB b Installation manual c PCB clamp (4×) d Cable gland and locknut (M20×1.5) e Wire harness for power supply (2×) EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... -
Page 10: Installation
In case of a field supplied casing, see the installation manual of that casing for more information on the installation location. See "5.3 To install the Modbus adapter" [4 11] for installation instructions. Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... -
Page 11: To Install The Modbus Adapter
5 Prepare the wiring while the PCB is still outside the installation box. The KRP1BC101 installation box is a tight space. It is recommended to prepare the wiring before installing the PCB inside the installation box. EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... - Page 12 ▪ Connect the wiring to the PCB. For more information, also see "5.4 Connecting the electrical wiring" [4 13]. 6 Install the PCB with the PCB clamps into the KRP1BC101 installation box. Make sure the PCB is oriented in the right direction: Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11...
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Page 13: To Install The Modbus Adapter Pcb With Field Supplied Casing
Connecting the electrical wiring DANGER: RISK OF ELECTROCUTION Do NOT connect or turn on power supply before you have mounted the adapter, connected the electrical wiring and have closed the adapter. EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... -
Page 14: Overview Of Electrical Connections
Only use harmonised wire providing double insulation suitable for the applicable voltage. Wire size: 0.75~1.25 mm² Maximum length: 500 m Voltage: 16 V DC — 120 mA Modbus Interface (RS-485) Connector X2M (screw terminal) See the installation manual of the Modbus interface Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... -
Page 15: To Connect The Power Supply
2 Connect the other end of the wiring harness to the indoor unit PCB. X18A / X35A / X11A External power supply The EKMBPP1(A) can be powered by an external power supply (field supplied). For more information, see "3.2 Basic parameters" [4 8]. EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... -
Page 16: To Connect The P1P2 Wiring
1 Connect indoor unit terminals P1 and P2 to the EKMBPP1(A) terminals P1 and P2 on the X7M connector. 2 Ensure strain relief by routing the cable along the cable path suggested in the indoor unit installation manual. Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... -
Page 17: To Connect The Rs-485 Wiring
▪ Only 1 Modbus master is allowed. INFORMATION Only valid for EKMBPP1A: No more than 32 Modbus devices including the Modbus Master must be installed on a single network bus. Additional devices can be added by using the RS-485 physical layer repeater. -
Page 18: Configuration
Status LED 1 (A) LED2 Status LED 2 (B) LED3 Indicates receiving P1P2 communication LED4 Indicates receiving Modbus (RS-485) communication Indicates normal CPU operation LED blinks for 20~40 ms every time communication is received. Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... - Page 19 LED 2 Red LED LED ON LED ON LED OFF a Power-up sequence b No error c P1P2 search mode d Unit error e U5 error (AC unit is missing) f RS-485 communicaton timeout EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11...
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Page 20: P1P2 Communication
Set the Modbus address range (0~63) with the DIP switch. See "3.1 Components" [4 7] for the location of the LEDs on the PCB. "10.1 Modbus addresses" [4 36] for an overview of all Modbus address DIP switch combinations. Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... -
Page 21: Modbus Registers
Function code (hex code) Function name Register count 03 (03h) Read holding register 1~10 04 (04h) Read input register 1~10 06 (06h) Preset single holding register 16 (10h) Preset multiple holding registers 1~10 EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... -
Page 22: Modbus Master Timeout
▪ The lock state of the remote controllers remains unchanged. However, remote controller ON/OFF operation is unlocked. If it is switched OFF after this, the remote controller ON/OFF operation is locked again. Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... -
Page 23: Terminating Resistor Settings
Holding register Address Name Range Description 40002 Setpoint 16~32 H0001 40003 Fan speed ▪ 1: Low H0002 ▪ 2: Medium Low ▪ 3: Medium ▪ 4: Medium High ▪ 5: High EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... -
Page 24: Control Update Mode
[4 23]) has a corresponding update register. The update register determines how the control commands update the unit and whether the corresponding remote controller button(s) are locked or unlocked. The following update modes are available: Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... - Page 25 ▪ 0: LastTouch H0010 ▪ 1: Central 40012 Setpoint Update H0011 ▪ 2: Local 40013 Fanspeed Update H0012 ▪ 3: OnChange 40014 Mode Update H0013 40015 Airflow direction Update H0014 40016 ON/OFF Update H0015 EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11...
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Page 26: Control Limiting
▪ 4: Medium Low ▪ 8: Medium ▪ 16: Medium High ▪ 32: High 40024 Mode Inhibit Inhibit value: H0023 ▪ 1: Auto ▪ 2: Heating ▪ 4: Fan ▪ 8: Cooling ▪ 16: Dry Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... -
Page 27: Vam-Specific Control
"6.6 Smart Grid" [4 31]. Holding register Address Name Range Description 40056 Smart Grid operation ▪ 0: Free running H0055 mode ▪ 1: Forced off ▪ 2: Recommended on ▪ 3: Forced on EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... -
Page 28: Readback Data
Error Code 0~65535 ▪ 255: No error I0022 ▪ Other values: error code from first unit in error 30024 Return Air Average °C × 100 Average of all unit return air I0023 temperatures Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... -
Page 29: Unit Readback
Unit return air sensor I0123 I1623 value … Filter Alarm ▪ 0: No alarm I0124 I1624 ▪ 1: Filter alarm … Thermo On ▪ 0: Idle/Fan I0130 I1630 ▪ 1: Heating ▪ 2: Cooling EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... -
Page 30: Error Codes
… I1632 31633 I0132 6.5.4 Error codes The error codes generated by the EKMBPP1(A) are encoded using a standard table to allow standard Daikin error codes to be generated from the readback value. Code value Meaning Waiting for data No error... -
Page 31: Smart Grid
±2°C. INFORMATION Smart Grid requests can be overruled, except for Forced off operation. When trying to overrule Forced off operation by requesting operation ON, the EKMBPP1(A) will immediately request operation OFF again. EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... - Page 32 Only 1 Modbus master is allowed. If the system is under control by a Smart Grid provider, this means it cannot be controlled by a BMS (building management system) at the same time and vice versa. Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11...
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Page 33: Software Update
Updater Tool are required. Connect the EKMBPP1(A) to a PC with the PC cable. The latest version of the Updater Tool can be downloaded from the Daikin Business Portal. Hand-over to the user After having installed and configured the adapter, hand over this installation manual to the user and make the user aware of the following safety precautions. -
Page 34: Disposal
For more information, contact your installer or local authority. Technical data A subset of the latest technical data is available on the regional Daikin website (publicly accessible). The full set of the latest technical data is available on the Daikin Business Portal (authentication required). -
Page 35: Wiring Diagram
Not mounted in switch box Wiring depending on model Indoor unit INDOOR HAP, LED* Light-emitting diode (service monitor is green) SS* Slide switch X*A, X*M, CN*, TN* Connector X2A Connector for SW Updater Tool EKMBPP1+EKMBPP1A Installation manual Modbus adapter 4P720139-1C – 2024.11... -
Page 36: Appendix
5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 Installation manual EKMBPP1+EKMBPP1A Modbus adapter 4P720139-1C – 2024.11... - Page 40 4P720139-1 C 0000000. 4P720139-1C 2024.11...
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