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Sierra Max-Trak 180+ Compod Series Instruction Manual

Programmable control module for digital mass flow meters & controllers
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Model 180 + Compod™
Programmable Control Module For
180 Series Digital Mass Flow Meters & Controllers
Instruction Manual
IM- 180 COMPOD
Revision: C, April 2010
CORPORATE HEADQUARTERS
5 Harris Court, Building L, Monterey, CA 93940 USA
Phone (831) 373-0200 (800)-866-0200 Fax (831) 373-4402
www.sierrainstruments.com
EUROPEAN HEADQUARTERS
Bijlmansweid 2 1934RE Egmond aan den Hoef
The Netherlands
Phone +31 72 507 1400 Fax +31 72 507 1401
ASIA HEADQUARTERS
Rm. 618, Tomson Centre, Building A, 188 Zhang Yang Road
Pu Dong New District, Shanghai, P. R. China
Phone: +86 21 5879 8521 Fax +8621 5879 8586
1
Compod™ Instruction Manual
IM-COMPOD Rev. C

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Summary of Contents for Sierra Max-Trak 180+ Compod Series

  • Page 1 Model 180 + Compod™ Programmable Control Module For 180 Series Digital Mass Flow Meters & Controllers Instruction Manual IM- 180 COMPOD Revision: C, April 2010 CORPORATE HEADQUARTERS 5 Harris Court, Building L, Monterey, CA 93940 USA Phone (831) 373-0200 (800)-866-0200 Fax (831) 373-4402 www.sierrainstruments.com EUROPEAN HEADQUARTERS Bijlmansweid 2 1934RE Egmond aan den Hoef...
  • Page 2 IMPORTANT CUSTOMER NOTICE Sierra Instruments, Inc. is not liable for any damage or personal injury, whatsoever, resulting from the use of Sierra Instruments standard mass flow meters or controllers for oxygen gas. You are responsible for determining if this mass flow meter or controller is appropriate for your oxygen application. You are responsible for cleaning the mass flow meter or controller to the degree required for your oxygen flow application.

  • Page 3: Safety Information

    INTRODUCTION The Model 180 + Compod™ is a Modbus add-on module for the Sierra Instruments’ Smart-Trak® Model 180 gas flow measurement and control instruments. A variety of features enable the integration of the Smart-Trak® into a Modbus network environment. Among these features: •...

  • Page 4: Electrical Connections

    ELECTRICAL CONNECTIONS All electrical connections are made on the terminal board. There are two screw terminals which give access to input power, network interface and other options. PIN CONFIGURATION Terminal board overview: Pin layout: Function Function +24V Power Note 1 Ground Note 1 Earth...
  • Page 5 Note 1: The terminal connections are used for optional interfaces (HART) which can be added. Please contact Sierra Instruments for more information. RS485 CONNECTION CONNECTION Pin 14 = RS485 – A Pin 15 = RS485 – B Pin 16 = RS485 – Shield THE MODEL 180 + COMPOD™...

  • Page 6: Analog Inputs

    A maximum of 32 devices is authorized on an RS485 system without the need of a repeater. Cable It is recommended to use a twisted pair type of cable (reduces radiated and received EMI). Category 5 cables may be used to a maximum length of 600 meters.
  • Page 7 COMMUNICATING Once the Model 180 + Compod™ is wired to the network and powered up it is time to communicate with it. The settings for the Modbus interface are as following: • ID code = 255 (or 1 – 15 depending on the ID pin settings) •...
  • Page 8 MODBUS REGISTERS OVERVIEW Register Description Read/Write Data type No. registers Address Dynamic data 40001 Actual flow - low word 32 bits real 40002 Actual flow - high word 40003 Set point - low word 32 bits real 40004 Set point - high word 40005 Totalizer3,4 R/W (Reset)
  • Page 9 40043 Tag number - char 9,10 40044 Gas 1 – char 1,2 16 bits ASCII 40051 Gas 1 – char 15,16 40052 Gas 2 – char 1,2 16 bits ASCII 40059 Gas 2 – char 15,16 40060 Gas 3 – char 1,2 16 bits ASCII 40067 Gas 3 –...
  • Page 10 REGISTERS EXPLAINED The registers are divided into four groups. The first group (40001 – 40012) represents the dynamic data. This group changes the most. The second group (40013 – 40031) contains the settings from the instrument and Model 180 + Compod™ specific settings.
  • Page 11 40013: Factory full scale Factory full scale value of the instrument. 40015: User full scale The user full scale value allows you to re-range the instrument. Any value between 50% and 100% of the factory full scale is allowed. The new value will also redefine the analog outputs of the instrument (when used). The 20mA/5 Vdc will represent the new full scale value.
  • Page 12 40027: Valve position index Mode at which the valve of the controller will operate. The table shows the available values: Value Mode Automatic Closed Purge 40028: Flow unit index The value indicates the selected flow unit on the instrument. The table shows the available values: Value Unit Scc/s...
  • Page 13 40030: Input set point index Value indicates the source for the set point. The table shows the available values: Value Source RS232 0 – 5 volts 0 – 10 volts 1 – 5 volts 4 – 20 mA 0 – 20 mA (Smart Trak 2 or higher) SELECT RS232 AS SOURCE WHEN THE SET POINT NEEDS TO BE CONTROLLED THROUGH THE NETWORK.
  • Page 14 40039 - 40043: Tag Tag (or label) string which is set in the Model 180 + Compod™: The tag can only be set in boot loader mode and can be used f.i. to identify the instrument or its location. 40044 – 40051: Gas name 1 40052 –...
  • Page 15 SPECIAL MODBUS SET UP REGISTERS The Modbus settings for the Compod™ can be altered while it is connected to the network. Through special registers it is possible to change the settings. The settings can be changed but will not become active until a special write is performed. 44100: ID The ID code as stored in memory is shown.

  • Page 16: Alarm System

    ALARM SYSTEM The Compod™ has an alarm system which can monitor a register and generate an alarm when the value inside the register goes beyond a predefined level. The alarm status is set on the alarm output. The alarm system can also monitor the power consumed by the valve in controllers. When the valve reaches maximum power it will generate heat.

  • Page 17: Trigger Source

    Select if the alarm will be triggered when the actual value is higher or lower than the trigger value (trigger source) Alarm lock mode (0 = disabled / 1 = enabled) When cleared the alarm status bit will be toggled according to the alarm condition. When set the alarm status bit (and possible output) will be locked once an alarm has occurred.

  • Page 18: Getting Started

    ALARM STATUS REGISTER The alarm status register will indicate the actual status of the alarm. Status Alarm ( 0 = no alarm, 1 = alarm) Valve power ( 0 = no alarm, 1 = alarm) Sensor failure – ST2 only ( 0 = no alarm, 1 = alarm) In lock mode the status bit for the alarm can be cleared by setting the bit to zero.

  • Page 19: Load Firmware

    Start HyperTerminal from windows and select the com port to which the RS485 interface is connected. Use the following settings: Baud rate : 9600 Number of bits Parity Stop bits The boot loader will only be active during the first 2 seconds after a power-up or reset. During power-up (or reset) none of both LED’s will be lit.
  • Page 20 The screen will start to fill up with the “§” character indicating that the XMODEM transfer can be started. Press the “ESC” key to abort. From the “Transfer” menu select “Send file” A new screen will be presented asking for the file to be transferred: Compod™...
  • Page 21 Use the “Browse” button to select the file to download. Only files with the “.hex” extension can be downloaded to the unit. Also make sure that the “Xmodem” protocol is selected. When the file is selected, press the “Send” button. The transfer screen pops up and the file download status can be monitored.
  • Page 22 The version of the firmware will be shown followed by the first option which can be set. It will show the current selected value as well which values can be entered. In this above example, the ID code of the unit can be set between 1-247 and the current setting is 1. Pressing the “C”...

  • Page 23: Troubleshooting

    TROUBLE SHOOTING Problem Solution During the firmware transfer the download has Reset the unit and try again. Make sure that only halted and nothing is happening anymore (or an .hex files intended for the unit are selected error message appears) When trying the enter data the length is limited.

This manual is also suitable for:

Maxtrak 180 modbus

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