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Download Nova Flow - Hoffer Flow Controls, Inc
Transcript
Communications Communications Nova Flow can be equipped with up to three serial ports and the infrared port. Serial ports can be used for programming the Nova-Flow, printing, communication with a personal computer, or with a Modbus master device. When all three ports are installed and active, the priority is given to the communication port in Slot 4. For programming Nova-Flow from a personal computer using Hoffer configuration program refer to the Windows configuration section. For serial port wiring refer to the Installation section. Nova-Flow supports standard MODBUS RTU (binary) encoding. The following tables provide memory mapping for all available Modbus commands. Function Code 04 (Read Input Registers) ABSOLUTE ADDRESS 30001 30002 30003 30004 30005 30006 30007 30008 30009 30010 30011 30012 30013 30014 30015 30016 30017 30018 30019 30020 30021 30022 30023 30024 30025 30026 30027 30028 30029 30030 30031 30032 30033 HP-302 Nova-Flow Modular Flow Computer DESCRIPTION CHA Uncorrected Rate X 10 CHA High Word of Uncorrected Total CHA Low Word of Uncorrected Total CHA High Word of Uncorrected Accum Total CHA Low Word of Uncorrected Accum Total CHA Corrected Rate X 10 (Mass or Volume) CHA High Word of Corrected Total CHA Low Word of Corrected Total CHA High Word of Corrected Accum Total CHA Low Word of Corrected Accum Total CHA Pressure CHA Density X 1000 CHA Temperature (Kelvin) OPEN OPEN OPEN CHB Uncorrected Rate X 10 CHB High Word of Uncorrected Total CHB Low Word of Uncorrected Total CHB High Word of Uncorrected Accum Total CHB Low Word of Uncorrected Accum Total CHB Corrected Rate X 10 (Mass or Volume) CHB High Word of Corrected Total CHB Low Word of Corrected Total CHB High Word of Corrected Accum Total CHB Low Word of Corrected Accum Total CHB Pressure CHB Density X 1000 CHB Temperature (Kelvin) OPEN OPEN OPEN CHC Uncorrected Rate X 10 37
