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Fluke RUSKA 2456-LEM, User Manual

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RUSKA 2456-LEM 

Users Manual 

4-4 

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: 
 BAUD 

RATE 

- 2400 

 DATABITS 

- 8 

 PARITY - None 
 STOPBITS 

- 1 

 
 
 

Summary of Contents for RUSKA 2456-LEM

Page 1: ...0 Fluke Corporation All rights reserved Printed in USA Specifications are subject to change without notice All product names are trademarks of their respective companies RUSKA 2456 LEM Laboratory Envi...

Page 2: ...vice center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no...

Page 3: ...3 Power 1 4 2 Getting Started 2 1 Introduction 2 1 Interconnect 2 1 Software Installation 2 1 Software Setup 2 1 Help Menus 2 1 Serial Port Setup 2 1 Communications Protocol 2 2 LEM Addressing 2 2 LEM...

Page 4: ...de 4 2 Pressure String 4 2 RUSKA 6220 and 7220 in Emulation Mode 4 2 RUSKA 7220 in SCPI Mode 4 2 Cabling 4 3 Connecting the RUSKA 6220 to the LEM Pressure Serial Port 4 3 RUSKA 7220 to the LEM Pressur...

Page 5: ...Binary Mode Commands 9 2 Set Address 9 2 A Read ADC Counts 9 3 C Configure Instrument 9 3 D Read Air Density 9 4 E Read EEPROM 9 4 K Calibrate 9 4 P Set Initialization and Remote Pressure Strings 9 4...

Page 6: ...RUSKA 2456 LEM Users Manual iv...

Page 7: ...v 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 vi...

Page 9: ...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 Change Exit Password 2 5 2 8 Main Screen 2 6 2 9 Data Logging 2 7 4 1 Remote String S...

Page 10: ...RUSKA 2456 LEM Users Manual viii...

Page 11: ...RUSKA 2456 and 2465 models If higher accuracy pressure data is needed then a secondary RS232 communications port allows for use with RUSKA 7220 6220 Portable Pressure Gauges and other pressure standa...

Page 12: ...s manual a Warning identifies conditions and actions that pose a hazard to the user A Caution identifies conditions and actions that may damage the Laboratory Environment Monitors Symbols used on the...

Page 13: ...a is stored in the LEM Refer to Chapter 5 for information on the Calibration process and how to access the coefficients Main Comm Port The main communication port is user selectable for RS232 or RS485...

Page 14: ...witch 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 commun...

Page 15: ...function should begin the installation 2 If the AutoRun function does not begin then Select Start and Select Run Type D Setup where D is your CDROM directory 3 Double Click on the new LemCal icon in t...

Page 16: ...s can be changed to any address between 0 and 99 The 0 address is the global address When a command is issued with the 0 address all instruments on the communication bus will respond To view the addre...

Page 17: ...From the Menu select Setup Options Select the Local or Remote pressure sources for each enabled LEM by clicking on the appropriate column The Local sensor location is shown in Chapter 1 Figure 1 1 an...

Page 18: ...ble clicking the Serial Number will reset the visual alarm but does not disable it The Audio and Visual alarms can be set by double clicking the message panel at the lower left corner of the main scre...

Page 19: ...umeric characters long and is case sensitive Program Exit Password From the Menu select Setup Password Program Exit gky10 bmp Figure 2 7 Change Exit Password This password protection will prevent clos...

Page 20: ...d of each line identifies if the LEM data is being logged See Chapter 2 Data Logging If the Data Line turns yellow then the data being displayed is out of the following ranges 17 o C temperature 29 o...

Page 21: ...ve file is saved and a new file is created at midnight of each Saturday Monthly Readings are taken at 15 minute intervals The active file is saved and a new file is created at midnight of the last day...

Page 22: ...time when using RS485 Refer to Chapter 1 Main Comm Port for selecting RS485 mode Cabling For Multi Drop Systems refer to Appendix A for available components For custom cabling refer to Chapter 6 DB9...

Page 23: ...manual for detailed instructions WinPrompt Version 2 12 or later is required WinPrompt software calculates mass to pressure and pressure to mass values and automatically displays real time piston gau...

Page 24: ...RUSKA 2456 LEM Users Manual 3 2...

Page 25: ...ssure 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 app...

Page 26: ...e User units requires the entry of a conversion factor The User units when multiplied by the conversion factor result in kPa Refer to Chapter 9 for conversion factors Initialization String RUSKA 6220...

Page 27: ...RUSKA Model 7220 to the LEM pressure serial port requires a Null modem adapter or Null modem cable DB9 M DB 9 F Only Pins 2 and 3 must be swapped in the Null Modem cable Use with Other RS232 Output Tr...

Page 28: ...ed 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 a...

Page 29: ...is maximized This error can be minimized by zeroing the sensor in the operating environment with respect to an appropriate standard The LEM software allows the technician to perform a zero offset The...

Page 30: ...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 w...

Page 31: ...GND 5 GND SIG GND SIG GND 6 NC NC NC 7 NC NC NC 8 B RX NC 9 GND PWR GND PWR GND Supply pin PIN 1 DB9 female is fused with re settable fuses Maximum operating current is 50 mA Pin 3 of the primary conn...

Page 32: ...RUSKA 2456 LEM Users Manual 6 2...

Page 33: ...nPrompt LEM PC etc uses the definition available per National Bureau of Standards NBS Special Publication 700 1 Industrial Measurement Series November 1984 Air Density Available Directly from LEM Air...

Page 34: ...RUISKA 2456 LEM Users Manual 7 2...

Page 35: ...as the combined effects of linearity repeatability and hysteresis 2 Expression of accuracy uncertainty conforms with the recommendation of the ISO Guide to the Expression of Uncertainty in Measuremen...

Page 36: ...Module C x100 RH x100 kPa x100 g m3 from dll C RH kPa g m3 from PC Software C F RH mmHg cmHg inHg kPa hPa mbar psi kg cm2 g cm3 kg m3 lb in3 Warm Up Typically 30 minutes Placement The proper orientati...

Page 37: ...e Cmd Parm1 Parm2 Chk Example hexadecimal bytes 26 01 01 56 70 25 01 05 76 02 03 04 CB 99 DruckBus Compatibility Standard Command Addr Size Cmd Parm1 Parm2 Chk CR Reply Addr Size Cmd Parm1 Parm2 Chk C...

Page 38: ...a 2 byte integer containing the model number least significant byte first Value is a 4 byte integer specifying a pressure in kPa 100 or a serial number least significant byte first Normally this comm...

Page 39: ...l 3 Sign Indicator SIG3 Status2 Bit 0 1 Calibration in Progress Bit 1 1 Zero in Progress Bit 2 1 Remote Port Selected v1 4 Bit 3 7 Reserved Status3 Bit 0 1 Command Error Bit 1 1 EEPROM Write Error Bit...

Page 40: ...values See Command A counts is an unsigned 16 bit value P Set Initialization and Remote Pressure Strings Command start addr Size P seq strlen strseq chk Reply start addr Size p status chk Command Size...

Page 41: ...d 8 bit unsigned value HWVer is an unsigned 8 bit unsigned value SubModel is an unsigned 8 bit unsigned value model is a 2 byte flag used to differentiate between software with different command sets...

Page 42: ...RUSKA 2456 LEM Users Manual 9 6 RS485 Multi Drop Configuration RS485 HARDWARE CONFIGURATION gky03 eps Figure 9 1 RS485 Multi Drop Configuration...

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