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Data Aire dap4 Protocol Manual

Modbus tcp/ip protocol integration
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Download this manual See also: Installation, Operation & Maintenance Manual
 
 
Data Aire dap4 Controller 
MODBUS TCP/IP 
Protocol Integration Instructions 
Data Aire, Inc. 
230 West BlueRidge Ave, 
Orange, CA 92865 
Document number: 600‐000‐961 
November 2012 
Revision 4.0  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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Summary of Contents for Data Aire dap4

  • Page 1             Data Aire dap4 Controller  MODBUS TCP/IP  Protocol Integration Instructions                          Data Aire, Inc.  230 West BlueRidge Ave,  Orange, CA 92865  Document number: 600‐000‐961  November 2012  Revision 4.0  ...
  • Page 2 Data Aire’s dap4 Modbus TCP/IP   Table of Content  Modbus TCP/IP ‐ Setup Procedures for dap4 Ethernet Card………………………………page 3      II. Modbus TCP/IP BMS Points  …………………………………………………………………………..page 6                                                         ...
  • Page 3 Ethernet protocol. 3. To do a factory reboot of the card, shut of power to the dap4 controller. Next, press and hold the button on the card. Now, power on the dap4 controller. Wait approximately 20 seconds until the status LED begins to blink red 3 times slowly.
  • Page 4 Data Aire’s dap4 Modbus TCP/IP 8. After entering the correct information to log on to the Ethernet card, you will be taken to the following screen. 9. Click the configuration tab on the left. Then click on the BACnet tab across the top of the screen.
  • Page 5 Data Aire’s dap4 Modbus TCP/IP 11. The variable ranges can be set on the same page. Scroll to the bottom to change these ranges. 12. After you have set up your card, click Submit. 13. After your changes have been accepted, you may now change you IP address (if applicable.) While still under the configuration tab, click network across the top of the screen.
  • Page 6 Data Aire’s dap4 Modbus TCP/IP II. Modbus TCP/IP Points List Note: 1. Divide the value by 10 for the decimal value reading.  2. All points in this list are applied to dap4 software version 1.11 or later. Some points are not applied  if you have older dap4 software version.    Point  Read/ Data  Modbus  Description  Variable Name  Index  Write  Type  TCP/IP  Temperature of return air Ret_Air_Tmp 30002 Maximum Return air temp in last 24hrs Maximum 30003 Minimum Return air temp in last 24hrs...
  • Page 7 Data Aire’s dap4 Modbus TCP/IP Point  Read/ Data  Modbus  Description  Variable Name  Index  Write  Type  TCP/IP  Temperature deadband for heating in economizer mode* Econ_Ht_Deadband 40033 Amount temp must change for each stage of heat/cool* Stage_sp 40034 Dewpoint setpoint for economizer* Dewpoint_Hi_SP...
  • Page 8 Data Aire’s dap4 Modbus TCP/IP Point  Read/ Data  Modbus  Description  Variable Name  Index  Write  Type  TCP/IP  Current minute CURRENT_MINUTE 35018 Current hour CURRENT_HOUR 35019 Current day CURRENT_DAY 35020 Current month CURRENT_MONTH 35021 Current year CURRENT_YEAR 35022 Firestat setpoint Firestat_SP 45023 Humidity High limit alarm...
  • Page 9 Data Aire’s dap4 Modbus TCP/IP Point  Read/ Data  Modbus  Description  Variable Name  Index  Write  Type  TCP/IP  Dehumidifier Runtime - High Dehum_Hours_H 35056 Dehumidifier Runtime - Low Dehum_Hours_L 35057 Fan pressure setpoint inches of water Fan_Pr_sp_hi 45058 Time between drain cycles 0=12hr, 1=24hr, 2=48hr, 3=96hr, 4=None...
  • Page 10 Data Aire’s dap4 Modbus TCP/IP Point  Read/ Data  Modbus  Description  Variable Name  Index  Write  Type  TCP/IP  Compressor 3 Runtime - This applies when unit has four stages tandem compressors - low C3_Hours_L 35091 Compressor 4 Runtime - This applies when unit has four stages tandem compressors.
  • Page 11 Data Aire’s dap4 Modbus TCP/IP Point  Read/ Data  Modbus  Description  Variable Name  Index  Write  Type  TCP/IP  State of U14 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* Unit14_status 35129 State of U15 when zone master is enabled. (1,12&13 is running, 2-9 is Off)*...
  • Page 12 Data Aire’s dap4 Modbus TCP/IP Point  Read/ Data  Modbus  Description  Variable Name  Index  Write  Type  TCP/IP  Reheat and humidification inhibited from operation* Rht_Hum_inhibit 10038 Temperature of discharge air below alarm set point* Disch_Tmp_lo_alm 10039 Manual override: Check bypass switches - Standard alarm. Manual...
  • Page 13 Data Aire’s dap4 Modbus TCP/IP   Unit On code 1-On 12- RUNtoSTBy- On by ZoneMaster until unit setpoint is satisfied 13-ONbyZM- On by Zone Master Unit Off code: 2-OFFbyALR -off by alarm that controlled by ZM 3-OFFbyZM- manually configured to off by ZM...