background image

 

 

 

 

 

 

 

GLOBAL SUPPORT LOCATIONS: WE ARE HERE TO HELP! 

 
 

CORPORATE HEADQUARTERS   

5 Harris Court, Building L, Monterey, CA 93940 
Phone (831) 373-0200      (800) 866-0200        Fax (831) 373-4402 

www.sierrainstruments.com

   

     

EUROPE HEADQUARTERS   

Bijlmansweid 2    1934RE    Egmond aan den Hoef     
The Netherlands 

Phone +31 72 5071400      Fax +31 72 5071401 

 

ASIA HEADQUARTERS   

Second Floor Building 5, Senpu Industrial Park 

25 Hangdu Road Hangtou Town 
Pu Dong New District, Shanghai, P.R. China   
Postal Code 201316 
Phone:    + 8621 5879 8521        Fax: +8621 5879 8586 

 

 

 

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. You are responsible for cleaning the mass flow meter to the degree required for your oxygen flow application. 

 

 
© COPYRIGHT SIERRA INSTRUMENTS 2014 

No part of this publication may be copied or distributed, transmitted, transcribed, stored in a retrieval system, or translated into 

any human or computer language, in any form or by any means, electronic, mechanical, manual, or otherwise, or disclosed 

to  third  parties  without the express written permission of Sierra Instruments. The information contained in this manual is 
subject to change without notice. 

TRADEMARKS 

InnovaSonic

®

 is a trademark of Sierra Instruments, Inc. Other product and company names listed in this manual are trademarks 

or trade names of their respective manufacturers. 

Summary of Contents for InnovaSonic 205i

Page 1: ...InnovaSonic 205i Modbus Instruction Manual Modbus Device Specification for InnovaSonic 205 Transit Time Ultrasonic Flow Meter Part Number IM205i Modbus Rev V2 January 2015 ...

Page 2: ...tandard mass flow meters for oxygen gas You are responsible for determining if this mass flow meter is appropriate for your oxygen application You are responsible for cleaning the mass flow meter to the degree required for your oxygen flow application COPYRIGHT SIERRA INSTRUMENTS 2014 No part of this publication may be copied or distributed transmitted transcribed stored in a retrieval system or t...

Page 3: ...rning Always remove main power before disassembling any part of the mass flow meter Caution Before making adjustments to the device verify the flow meter is not actively monitoring or reporting to any master control system Adjustments to the electronics will cause direct changes to flow control settings Caution All flow meter connections isolation valves and fittings for hot tapping must have the ...

Page 4: ...ing Sierra Customer Service Technical Assistance If you encounter a problem with your flow meter review the configuration information for each step of the installation operation andsetup procedures Verify that your settings and adjustments are consistent with factory recommendations Installation and troubleshooting information can be found in the InnovaSonic 205i Product Instruction Manual If the ...

Page 5: ... of Contents Chapter 1 Using Modbus with the InnovaSonic 205i 6 1 1 RS 232 RS 485 Pin Definitions 6 1 2 Connection of RS 232 or RS 485 7 1 3 Setting Up the 205i to Use Modbus RTU 7 1 4 Modbus RTU Protocol 8 ...

Page 6: ...an be used to power on off other equipment The analog input of the system can be used to input signals such as pressure and temperature These analog values can be read using the Modbus RTU protocol to be used by customer software RS 232 50 ft or RS 485 up to 4 000 ft can be directly used for data transmission link for a short distance Current loop radio transmission and modems can be used in mediu...

Page 7: ...sor appears use the and keys to make your selection Press when done This window is used to setup the Modbus serial port baud rates Your choices are 9600 19200 38400 56000 57600 or 115200 This setting must match the master and other slaves on your Modbus network The Parity is fixed at None Data length fixed to eight Stop bit fixed at 1 Default factory serial port parameters are 9600 8 None 1 PC L N...

Page 8: ...a frame format Slave Address Read Operation Function Code Number of Data Bytes Data Bytes Verify Code 1 byte 1 byte 1 byte N x2 byte 2 byte 0x01 0xF7 0x03 2xN N x2 CRC Verify N data register number 2 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 Function Code Register Address Regis...

Page 9: ...ttention to the data storage order of the above example Using C language to explain the data pointers can be used directly to input the required data in the corresponding variable address the low byte will be put at the beginning such as the above example 1 2345678 m s 3F 9E 06 51 data stored in order as 51 06 9E 3F For example it converts the address 1 0x01 to 2 0x02 under the RTU mode so to writ...

Page 10: ...er 16 bits int 16 bit signed integer This allow for a number between 65 535 and 65 534 String 8 bit ASCII characters 2 per 16 bit register PDU Address Register Read Write Type No Registers 0000 40001 Flow s low word 32 bits real 2 0001 40002 Flow s high word 0002 40003 Flow m low word 32 bits real 2 0003 40004 Flow m high word 0004 40005 Flow h low word 32 bits real 2 0005 40006 Flow h high word 0...

Page 11: ...1C 40029 Analog output high word 001D 40030 Error code char 1 2 String 3 Refer to Error Analysis for detailed codes meanings 001E 40031 Error code char 3 4 001F 40032 Error code char 5 6 003B 40060 Velocity unit char 1 2 String 2 Currently supports m s only 003C 40061 Velocity unit char 3 4 003D 40062 Flow unit char 1 2 String 2 Note 1 003E 40063 Flow unit char 3 4 003F 40064 Total unit char 1 2 S...

Page 12: ...ess Register Description Read Write Type No Registers 1003 44100 Flowmeter address 1 247 R W 16 bits int 1 1004 44101 Communication Baud Rate 1 4800 2 9600 3 19K2 4 38K4 5 57K6 R W 16 bits int 1 Notes 1 The following flow rate units are available 0 m3 Cubic Meter 1 l Liters 2 ga Gallons 3 ig Imperial Gallons 4 mg Million Gallons 5 cf Cubic Feet 6 ba US Barrels 7 ib Imperial Barrels ob Oil Barrels ...

Reviews: