Fluke RUSKA 2456-LEM User Manual
  1. Manuals
  2. Brands
  3. Fluke Manuals
  4. Measuring Instruments
  5. RUSKA 2456-LEM
  6. User manual
Fluke RUSKA 2456-LEM User Manual

Fluke RUSKA 2456-LEM User Manual

Laboratory environment monitor
Hide thumbs
Table of Contents

Advertisement

Quick Links

RUSKA 2456-LEM
Laboratory Environment Monitor
Users Manual
PN 3952272
November 2010
© 2010 Fluke Corporation. All rights reserved. Printed in USA. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.

Advertisement

Table of Contents
loading

Related Manuals for Fluke RUSKA 2456-LEM

Summary of Contents for Fluke RUSKA 2456-LEM

  • Page 1 RUSKA 2456-LEM Laboratory Environment Monitor Users Manual PN 3952272 November 2010 © 2010 Fluke Corporation. All rights reserved. Printed in USA. Specifications are subject to change without notice. All product names are trademarks of their respective companies.
  • Page 2 Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is available only if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price.

  • Page 3: Table Of Contents

    Table of Contents Chapter Title Page Function ....................1-1 General Function....................1-1 How to Contact Fluke ..................1-1 Safety Information ..................... 1-2 Symbols Used in this Manual ................1-2 Components ....................... 1-2 PC Requirements ....................1-2 LEM Basics......................1-3 Calibration Data Storage ................1-3 Main Comm Port ...................
  • Page 4 RUSKA 2456-LEM Users Manual Intervals ......................2-7 File Names..................... 2-7 Default Location.................... 2-7 File Verification..................... 2-7 Multiple LEMs....................2-8 Cabling ......................2-8 Addressing..................... 2-8 RUSKA 2456 Operation with the LEM..........3-1 Communications ....................3-1 Winprompt Interface..................3-1 RUSKA 2456 and 2465 Upgrade for LEM Compatibility ........ 3-1 Remote Pressure Capture ..............
  • Page 5 Contents (continued) Remote Commands.................... 9-1 DruckBus Binary Standard................9-1 DruckBus Compatibility Standard..............9-1 Terminology: ....................9-1 Timing ......................9-2 Global Command Responses................. 9-2 DruckBus Binary Mode Commands.............. 9-2 @ - Set Address..................... 9-2 A – Read ADC Counts .................. 9-3 C –...
  • Page 6 RUSKA 2456-LEM Users Manual...

  • Page 7: List Of Tables

    List of Tables Table Title Page 1-1. Symbols........................1-2 4-1. RUSKA 6220 25 Pin RS-232 Connector ............... 4-3 4-2. RUSKA 6220 DB25 and LEM DB9 Connections ..........4-3 6-1. DB9 Pinout......................6-1...
  • Page 8 RUSKA 2456-LEM Users Manual...

  • Page 9: List Of Figures

    List of Figures Figure Title Page 1-1. LEM General View ....................1-3 1-2. LEM Communication Switch................. 1-4 2-1. Serial Port Setup..................... 2-2 2-2. View Coefficients....................2-2 2-3. Options ........................2-3 2-4. Units ........................2-3 2-5. Limits ........................2-4 2-6. Select Password...................... 2-5 2-7.
  • Page 10 RUSKA 2456-LEM Users Manual viii...

  • Page 11: Function

    RUSKA 7220 / 6220 Portable Pressure Gauges and other pressure standards. How to Contact Fluke To order accessories, receive operating assistance, or get the location of the nearest Fluke distributor or Service Center, call: Technical Support USA: 1-800-99-FLUKE (1-800-993-5853)

  • Page 12: Safety Information

    AC (Alternating Current) Earth Ground Important Information: refer to manual Do not dispose of this product as unsorted municipal waste. Go to Fluke’s website for recycling information. Components The LEM product comes with the following accessories: Power Plug (input: 110-240 Vac, 50/60Hz) Part #62-315...

  • Page 13: Lem Basics

    Function LEM Basics LEM Basics Local Pressure Port Temperature Sensor Serial Pressure Input Humidity Sensor Main Comm. Port Power Indicator Power Input gky01.eps Figure 1-1. LEM General View Calibration Data Storage The calibration data is stored in the LEM. Refer to Chapter 5 for information on the Calibration process and how to access the coefficients.

  • Page 14: Power

    RUSKA 2456-LEM Users Manual RS232 - C1 RS458 - C2 gky02.eps Figure 1-2. LEM Communication Switch Optional USB cables are available: Part # 8-825 - USB to RS232 (requires Windows 98 or higher). Power The Power LED will illuminate when power is applied through either the power plug or the main communication port.

  • Page 15: Getting Started

    Chapter 2 Getting Started Introduction The following explains how to setup PC operation with RUSKA LEMCal software and a single LEM. Interconnect The standard interface cable for the LEM is a DB9 F/F cable. The green indicator light should come on when the power plug is connected. Software Installation 1.

  • Page 16: Communications Protocol

    RUSKA 2456-LEM Users Manual gky04.bmp Figure 2-1. Serial Port Setup The default settings are shown. Change the Comm Port to match the host computer. The Baudrate, Databits, Parity and Stopbit defaults should be set as shown in Figure 2-1. Communications Protocol See Appendix, Remote Commands, for a description of the Communication Protocol.

  • Page 17: Lemcal Software

    Getting Started Software Setup LEMCAL Software The factory default address is 33. The LEM and LEMCAL Software default to this Address. The LEMCAL Software needs the address set in the SETUP/OPTIONS screen of the LEM with which it will communicate. If this address is set to 0 then all LEMs on the communication bus will respond.

  • Page 18: Setup

    RUSKA 2456-LEM Users Manual gky08.bmp Figure 2-5. Limits Select values for the upper and lower limits for Pressure, Temperature, and Relative Humidity. Setup The Serial Number for the desired LEM is selected in the box in the top, left corner.

  • Page 19: Program Exit Password

    Getting Started Software Setup gky09.bmp Figure 2-6. Select Password The password protection will prevent the changing of the calibration data and address. The default password is “0” (zero). When the password is “0” the password protection is turned off. When setting the password for the first time, “0” must be entered as the Old Password. The password can be reset to “0”...

  • Page 20: Viewing Real Time Data

    RUSKA 2456-LEM Users Manual Viewing Real Time Data gky11.bmp Figure 2-8. Main Screen The Memo line allows a user to enter a descriptive to identify each LEM. This description is associated with the Serial Number and is stored in the *.ini file on the host computer.

  • Page 21: Intervals

    Getting Started Logging Data gky12.bmp Figure 2-9. Data Logging The Module number, in the left hand column, is referenced to each LEM as defined in Figures 2-3 and 2-62-6. To begin logging data for a particular LEM, select the Enable button.

  • Page 22: Multiple Lems

    RUSKA 2456-LEM Users Manual Select the *.LOG file that needs to be verified. Upon completion of the verification a notice of verification will be displayed or a file *.ERR will be created and saved in the LOG directory. This file will identify which lines of the *.LOG file have been corrupted or altered.

  • Page 23: Ruska 2456 Operation With The Lem

    Chapter 3 RUSKA 2456 Operation with the LEM Communications Set the communications interface to RS485 for use with the 2456 and 2465. Refer to Chapter 1, Main Comm Port, for LEM communication setup. Power for the LEM is supplied from the 2456 or 2465, over the communications cable. Use a standard DB9M / DB9F cable.
  • Page 24 RUSKA 2456-LEM Users Manual...

  • Page 25: Remote Pressure Capture

    Chapter 4 Remote Pressure Capture Remote Pressure Capture From the Menu select Setup | Options (refer to Figure 4-1). Set the Pressure Source as Remote. Click the extension arrows to the right of the selected LEM. The Remote String Dialog box will appear.

  • Page 26: Use With A Ruska Portable Pressure Gauge 7220 Or 6220

    RUSKA 2456-LEM Users Manual Use with a RUSKA Portable Pressure Gauge 7220 or 6220 gky14.bmp Figure 4-2. Remote String Dialog Initialization String Transmitted from LEM to remote pressure sensor to initialize the remote sensor. Pressure String Transmitted from LEM, on a continuous basis, to retrieve pressure readings.

  • Page 27: Cabling

    Remote Pressure Capture Cabling Cabling Connecting the RUSKA 6220 to the LEM Pressure Serial Port Table 4-1. RUSKA 6220 25 Pin RS-232 Connector DESCRIPTION Transmitted data (to PPG) Receive Data (from PPG) RTS (must be set for PPG to transmit) CTS (always set by PPG) *Connect Pins 4 &...

  • Page 28: Scaling

    RUSKA 2456-LEM Users Manual Scaling Once the raw value is retrieved from the string then units or a scaling factor must be given. Refer to Chapter 4, Remote Pressure Units. Communication Port Configuration This configuration applies only to the Remote pressure Input and is set as follows:...

  • Page 29: Calibration

    Chapter 5 Calibration Span Pressure - On Board Sensor Calibration Point 1: 10.5 +/-0.25 psia Calibration Point 2: 15.0 +/-0.25 psia Temperature Calibration Point 1: 17 +/- 2 degC Calibration Point 2: 29 +/- 2 degC Zeroing Temperature measuring devices are impacted by self heating. The rise in temperature, measured by the sensor, is a function of the amount of heat generated by the probe and the ability of the probe to dissipate this heat.

  • Page 30: Calibration Data

    RUSKA 2456-LEM Users Manual Calibration Data In order to view the calibration coefficients, select Calibrate | View Coefficients. gky15.bmp Figure 5-1. View Coefficients The menu bar selections allow the coefficients to be read and written to disk and read and...

  • Page 31: Connector Definition

    Chapter 6 Connector Definition Power Plug The power plug is a barrel type receptacle: ID = 2.5 mm, OD = 5.5 mm, Depth = 10.0 mm, Inside - Positive DB9 Connectors Table 6-1. DB9 Pinout DB9 male DB9 male DB9 female Pin #s DB9 RS 485 RS 232...
  • Page 32 RUSKA 2456-LEM Users Manual...

  • Page 33: Air Density Calculation

    Chapter 7 Air Density Calculation LEM Internal Calculation vs. RUSKA PC Software Calculation The Air Density calculation available directly from the LEM is a best fit curve approximation as described below in Chapter 7, Air Density Available Directly from LEM. The Air Density output available from RUSKA PC Software (WinPrompt, LEM PC, etc.) uses the definition available per National Bureau of Standards, NBS Special Publication 700-1, Industrial Measurement Series (November 1984).
  • Page 34 RUISKA 2456-LEM Users Manual...

  • Page 35: Specifications

    Chapter 8 Specifications Sensors Operating Range: Temperature: 18-28 Pressure: 690-1070 mbar (20.4 - 31.6 inHg) Humidity: 5-95% RH Performance: Precision Temperature: +/-0.1 Pressure: +/-1.4 mbar (+/-0.04 inHg) Humidity: +/-3% RH Total Uncertainty: Temperature: +/-0.5 C/year Pressure: +/-2.7 mbar (+/-0.08 inHg)/year Humidity: +/-10% RH/year Notes:...
  • Page 36 RUSKA 2456-LEM Users Manual Data Update Rate: New Data available at 1 second intervals. Includes Temperature, Humidity, Pressure, Air Density. Available Units: from Module : ºC x100, %RH x100, kPa x100, g/m from *.dll: ºC, %RH, kPa, g/m from PC Software : ºC, ºF;...

  • Page 37: Remote Commands

    Chapter 9 Remote Commands Remote Commands There are two general standards supported. The Binary protocol requires fewer bytes, therefore requiring less time to transmit each message. The Compatibility protocol requires more bytes per message, but allows the module to co-exist on the same RS485 bus with other DruckBus compatible components. DruckBus Binary Standard Command: &<Addr><Size><Cmd>[<Parm1>[<Parm2>...]]<Chk>...

  • Page 38: Timing

    RUSKA 2456-LEM Users Manual <Cmd> Ascii 2 Ascii characters specifying command. Binary 1 Ascii byte specifying command (Uppercase on command, lowercase on reply). <Parm x> Ascii Variable-length Ascii formatted parameters. Binary Fixed-length binary parameter. <Chk> Binary 1 binary byte LRC (exclusive-or of all bytes including start)

  • Page 39: A - Read Adc Counts

    Remote Commands Remote Commands A – Read ADC Counts Command: <start><addr><Size>A<chk> Reply: <start><addr><Size>a<status><temp><rh><pressure><chk> Command <Size>: 1 Reply <Size>: 10 <status> is three unsigned 8-bit values. Status1: Bit 0: ADC channel 0 Extended Input Range Indicator (EXR0) 0: 0 < V <= V 1: V >...

  • Page 40: D - Read Air Density

    RUSKA 2456-LEM Users Manual D – Read Air Density Command: <start><addr><Size>D<chk> Reply: <start><addr><Size>d<status><density><chk> Command <Size>: 1 Reply <Size>: 6 <status> is three unsigned 8-bit values. (See Command A) Returned data is a 16-bit unsigned value, least significant byte first. E – Read EEPROM Command: <start><addr><Size>E<addr1><chk>...

  • Page 41: R - Read Adc Reference Values

    Remote Commands Remote Commands R - Read ADC Reference Values Command: <start><addr><Size>R<chk> Reply: <start><addr><Size>r<temp><rh><press><chk> Command <Size>: 1 Reply <Size>: 7 All values are 16-bit signed integers using scaled (*100) units. <temp> is degrees C <rh> is % <press> is kPa. S - Read Remote Pressure with Displayed Precision Command: <start><addr><Size>S<chk>...

  • Page 42: Rs485 Multi-Drop Configuration

    RUSKA 2456-LEM Users Manual RS485 Multi-Drop Configuration gky03.eps Figure 9-1. RS485 Multi-Drop Configuration...

Table of Contents