Modbus Point Map. for the. Data Aire DAP-II

Transcription

1 Modbus Point Map for the Data Aire DAP-II Revision 1 November 11, 2003 Data Aire, Inc. 230 West BlueRidge Avenue Orange, California 92865

2 Table of Contents 1 Introduction Scope References Modbus Register Definitions Status Alarms Control Read/Write Configuration

3 1 Introduction 1.1 Scope This document describes the implementation of the point map for the Modbus protocol on the Data Alarm Processor II (DAP-II). 1.2 References MODBUS Application Protocol Specification V1.1, Modbus.org, December 6, Modicon Modbus Protocol Reference Guide - PI-MBUS-300 Rev. J, Modicon, Inc., June Open Modbus/TCP Specification Release 1.0, Andy Swales, Schneider Electric, 29 March

4 2 Modbus Register Definitions 2.1 Status Discrete Input 0 Unit is dehumidifying Discrete Input 1 Unit is humidifying Discrete Input 2 Energy saver is active Discrete Input 3 Needed cooling is inhibited Discrete Input 4 Needed heating is inhibited Discrete Input 5 Needed humidification is inhibited Discrete Input 6 Needed dehumidification is inhibited Discrete Input 47 Reheat mode during dehumidification Input Register 1 Current Return Temperature (0.1 F) Input Register 2 Current Humidity (0.1 %) Input Register 3 Current Discharge Temperature (0.1 F) Input Register 4 Cooling stages on (0-5) Input Register 5 Heating stages on (0-4) Input Register 6 Valve percent open (0-100) (255 = off) Input Register 7 H Valve percent open (0-100) (255 = off) Input Register 8 High temperature last 24 hours (0.1 F) Input Register 9 Low temperature last 24 hours (0.1 F) Input Register 10 High humidity last 24 hours (0.1 F) Input Register 11 Low humidity last 24 hours (0.1 F) Input Register 12 Cooling Utilization Last 24 Hours (0-100 %) Input Register 13 Heating Utilization Last 24 Hours (0-100 %) Input Register 14 Chilled Water Utilization Last 24 Hours (0-100 %) Input Register 15 Humidifier Utilization Last 24 Hours (0-100 %) Input Register 16 Compressor #1 Runtime Input Register 17 Compressor #2 Runtime Input Register 18 Compressor #3 Runtime Input Register 19 Compressor #4 Runtime Input Register 20 Heater #1 Runtime Input Register 21 Heater #2 Runtime Input Register 22 Heater #3 Runtime Input Register 23 Humidifier Runtime Input Register 24 Evap Blower Runtime Input Register 25 Condenser Runtime Input Register 26 Dehumidifier Runtime Input Register 27 Energy Saver Cooler Runtime Input Register 28 Chilled Water Cooling Runtime 4

5 2.2 Alarms Discrete Input 7 Water detected under floor: Check probe Discrete Input 8 No air flow: Check belt and motor Discrete Input 9 Dirty filter: Check filters Discrete Input 10 Humidifier problem: Check water pressure Discrete Input 11 Low voltage warning: Check unit Discrete Input 12 Fire stat alarm: Unit shutdown Discrete Input 13 Compressor short cycle warning Discrete Input 14 Power problem or unit restart Discrete Input 15 Humidity sensor problem Discrete Input 16 Temperature sensor problem Discrete Input 17 Scheduled maintenance due Discrete Input 18 High pressure/internal overload: Comp 1 Discrete Input 19 Low pressure C1: Automatic reset Discrete Input 20 High pressure/internal overload: Comp 2 Discrete Input 21 Low pressure C2: Automatic reset Discrete Input 22 Smoke detector: Unit shutdown Discrete Input 23 No water flow: Check pump Discrete Input 24 Discharge temperature sensor problem Discrete Input 25 High temperature warning Discrete Input 26 Low temperature warning Discrete Input 27 High humidity warning Discrete Input 28 Low humidity warning Discrete Input 29 Fan motor overload: Check motor amperage Discrete Input 30 Local alarm #1: See tag inside door Discrete Input 31 Local alarm #2: See tag inside door Discrete Input 32 Local alarm #3: See tag inside door Discrete Input 33 Local alarm #4: See tag inside door Discrete Input 34 Standby pump on: Check primary pump Discrete Input 35 UPS power on: Check main power supply Discrete Input 36 Custom alarm #1 Discrete Input 37 Custom alarm #2 Discrete Input 38 Custom alarm #3 Discrete Input 39 Custom alarm #4 Discrete Input 40 Humidification inhibited Discrete Input 41 Reheat inhibited Discrete Input 42 Reheat and humidification inhibited Discrete Input 43 Low discharge air temperature alarm Discrete Input 44 Manual override: Check bypass switches Discrete Input 45 High condensate water level Discrete Input 46 Unit in standby, all functions held off 5

6 2.3 Control Coil 0 Inhibit Cooling Coil 1 Inhibit Heating Coil 2 Inhibit Humidification Coil 3 Inhibit Dehumidification Coil 4 Inhibit Fan Holding Register 19 Unit Standby Mode (0-2) [0=on] [1=off] [2=standby] 6

7 2.4 Read/Write Configuration Holding Register 0 Time of day: Second (0-59) Holding Register 1 Time of day: Minute (0-59) Holding Register 2 Time of day: Hour (0-23) Holding Register 3 Time of day: Day (0-31) Holding Register 4 Time of day: Month (1-12) Holding Register 5 Time of day: Year Holding Register 6 Time of day: Day of week (0-6) [0 = Sunday] [1 = Monday] [2 = Tuesday] [3 = Wednesday] [4 = Thursday] [5 = Friday] [6 = Saturday] Holding Register 8 Fire Limit Temperature ( ) (F) Holding Register 9 High Humidity Limit (10-90) (%) Holding Register 10 High Temperature Limit (50-90) (F) Holding Register 11 Humidity Deadband (0-15) (%) Holding Register 12 Low Discharge Temperature Limit (45-61) (F) Holding Register 13 Low Humidity Limit (10-90) (%) Holding Register 14 Low Temperature Limit (50-90) (F) Holding Register 15 Humidity Setpoint (30-70) (%) Holding Register 16 Start Delay (5-600 seconds) Holding Register 17 Temperature Deadband (1-5) (F) Holding Register 18 Temperature Setpoint (60-80) (F) 7