Sierra InnovaSonic 205i Modbus Instruction Manual
Transit-time ultrasonic flow meter
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Summary of Contents for Sierra InnovaSonic 205i Modbus
- Page 1 InnovaSonic 205i Modbus ® Instruction Manual Modbus Device Specification for InnovaSonic ® Transit-Time Ultrasonic Flow Meter Part Number: IM205i Modbus, Rev. V1 May 2013...
- Page 2 IMPORTANT CUSTOMER NOTICE- OXYGEN SERVICE Sierra Instruments, Inc. is not liable for any damage or personal injury, whatsoever, resulting from the use of Sierra Instruments standard mass flow meters for oxygen gas. You are responsible for determining if this mass flow meter is appropriate for your oxygen application.
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Page 3: Warnings And Cautions
Warnings and Cautions Warning! Agency approval for hazardous location installations varies between flow meter models. Consult the flow meter nameplate for specific flow meter approvals before any hazardous location installation. Warning! Hot tapping must be performed by a trained professional. U.S. regulations often require a hot tap permit. The manufacturer of the hot tap equipment and/or the contractor performing the hot tap is responsible for providing proof of such a permit. - Page 4 Receipt of System Components When receiving a Sierra mass flow meter, carefully check the outside packing carton for damage incurred in shipment. If the carton is damaged, notify the local carrier and submit a report to the factory or distributor.
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Page 5: Table Of Contents
Table of Contents Warnings and Cautions ............................3 Table of Contents ..............................5 Chapter 1: Using The Modbus Interface on the InnovaSonic 205i ..............6 Overview ................................ 6 Connecting To Your RS85 Network ........................ 6 Setting up the 205i to use Modbus RTU ......................6 Modbus-I (standard MODBUS-RTU) Protocol Function Code and Format............. -
Page 6: Chapter 1: Using The Modbus Interface On The Innovasonic 205I
Chapter 1: Using Modbus with the InnovaSonic 205i Overview The InnovaSonic 205i also has a RS-232 connection but only the Modbus-RTU RS-485 will be covered in this manual. Connecting To Your RS85 Network Modbus uses a 2 wire RS-485 network. The data connections are typically labeled A , (-), or TD – and B, (+), or TD+. -
Page 7: Modbus-I (Standard Modbus-Rtu) Protocol Function Code And Format
RS- 2 3 2 Se t u p [ 6 2 9 6 0 0 , No n e Menu Press Enter, when the > cursor appears use the ∧ ∨ to make your selection. Press enter when done. This window is used to setup RS-485 serial port. This setting must match the master and other slaves on you RS-485 network. - Page 8 Modbus Protocol function code 0x06 usage. The host sends a command to write a single register information frame format (performance code 0x06): Slave Address Operation Register Address Register Data Verify Code Function Code 1 byte 1 byte 2 bytes 2 bytes 2 bytes 0x01~0xF7 0x06...
- Page 9 Flowmeter returned data is: 0x01 0x06 0x10 0x03 0x00 0x02 0xFC 0xCB Flowmeter Address Function Code Register Address Register Number CRC Verify Code Error Check The flow meter only returns one error code 0x02 which means data first address in error. For example, to read address 1 (0x01) of the flow meter 40002 register data in the RTU mode, the flow meter considers it to be invalid data, and sends the following command: 0x01...
- Page 10 $0015 40022 Energy flow – high word $0016 40023 Up signal int – low word 32 bits real 0～99.9 $0017 40024 Up signal int – high word $0018 40025 Down signal int – low word 32 bits real 0～99.9 $0019 40026 Down signal int –...
- Page 11 6. “ba” －US Barrels 7. “ib” －Imperial Barrels 8. “ob” －Oil Barrels The following energy units are available： 0. “GJ” －Giga Joule 1. “Kc” －Kilocalorie 2. “MB” －MBtu 3. “KJ” －Kilojoule 4. “Bt” －Btu 5. “Ts” －US Tonnes 6. “Tn” －US Tons 7.
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