compass plm-4
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1. Helm Instrument Company Inc 361 West Dussel Drive Maumee Ohio 43537 USA 419 893 4356 Fax 419 893 1371 www helminstrument com COMPASS PLM 4 USER MANUAL eux COMPASS PLM 4 i f a ata BETTER Revised Feb 5 2008 Force Measurement and Control Solutions OVERVIEW The Helm model Compass PLM 4 is a portable four channel strain gage signal conditioner that displays peak force and waveforms on a handheld Palm unit through infra red transceiver technology A Features 1 The front of the unit contains the following a On off switch b Battery status indicator L E D s c Power status L E D s d Infra red transmit receive window 2 The rear of the unit contains the a External charging jack b Four 7 pin amphenol connectors for sensor inputs c Chassis ground post B Connection of Strain Gages i 2 Looking at the rear of the unit from left to right the sensor inputs are Ch 1 Ch 2 Ch 3 amp Ch 4 The wiring code for each channel is Pin a gage Pin b gage Pin c signal Pin d signal Pin g Shield C oo the Unit 1 Plug in the supplied 9vdc AC adapter to the charging jack on the rear of the enclosure Approximate charging time is 4 hours from the Low State During charging the Battery OK and the Battery CHG L E D s will come on When the unit is full charged the Battery CHG L E D will go out2. ING AND STORING FORCE SIGNATURES A Viewing and Saving Current Tonnage Ch1 Tonnage Signature Signature 1 Touching any tonnage reading while in peak mode will display the force signature for that channel Signature Overlay 2 Selecting the Total window will display a composite view of all four waveforms overlaid on that screen 3 To store the force signature click Save button Note If you save new captured tonnage data from the Main screen without viewing the force signature first only the peak data will get stored To insure the storage of captured tonnage signature data always click save button from any Signature Screen B Viewing Stored Tonnage and Signature Data f View 1 Select Compass PLM4 on top of the main _ Stored Tonnage Data CH2 CH4 TOTA TOTAL screen then click View and Stored Tonnage Data CH3 Read In Peak aa 2 Each line of stored data shows the date time and channel number you will be viewing Uh ee Return 3 Select a line then touch Details View Stored Load Data 2007 Date Time Chi Ch2 Ch3 Ch4 10 2609 25 58 60 58 63 10 2609 25 58 60 58 63 Detail View 4 Click Details to go to Detial View 10 26 2007 09 25 41 screen of selected record that was CH 2 CH4 previously stored You can add or edit any Note section to each record here TOTAL Make sure to hit Save button after you made any change to the N
3. If the Low Bat L E D comes on during operation stop use immediately and charge the unit D Location of Palm Unit 1 2 Palm unit must face the front panel of Compass PLM4 within 3 feet of distance in same surface The best operating location for your palm unit is a foot away from the front panel of Compass PLM4 in same surface where Compass PLM4 is positioned and pointing each other ll UNIT SET UP PROCEDURE WITH LOAD CELLS Note Palm unit must have Helm software loaded Starting Compass PLM4 software 1 Start Palm Unit 2 Click PLM4 icon from Palm windows 3 If you do not see PLM4 Icon set application filter to ALL v Ali lt lt A Entering Scale value PLM Setup View Edit ce Scale mV V i 100 2 245 PLM Setup Software Setup 100 2 415 Debug Panel 100 2 112 Factory Setup a Compass 100 2 318 U PKLW 500 ms CH3 CH Select DEC BE Zero In Track Mode Cal cH 1 1 From the main screen scroll down to and select the PLM 4 icon 2 Select Compass PLM4 Options then PLM 4 Setup 3 Select Edit to allow set up 4 Select Ch 1 then Scale Value field Now touch the 123 area on the front of the Palm Unit to allow access to the data entry screen 5 Enter the capacity of the load cell connected to that channel EXAMPLE For a ten ton load cell to read 10 0 instead of just 10 enter 100 for scale then select 0 1 fo
4. M Setup Screen Cees J When you connect new load cells to the Compass Last Updated PLM Setup lt PLM4 you need to set up the Compass PLM4 CH2 Software Setup With proper parameters To do this from top Debug Panel menu go to Options gt PLM Setup Factory Setup 2 About Compass CH1 TY CH3 In Track PLM Setup screen allows you to enter scale values mV V values Look Window time and zero balance for the each load cell connected Before you make any changes to the settings make sure to enable the Edit mode by clicking on Edit button Enter Max Capacity PLM Setup Click Off button to of the load cell for clear the scale value the connected Scale mV 0 to 0 This can be channel use to turn off the 100 2 245 channel s that load 100 415 cell is not connected 100 2 112 100 2 318 PKLW 500 ms Select a channel Select decimal point CH Select number you wish to to be shown on the DEC EE 0 1 0 01 zero the balance load reading Zero Mode Cal 1 Click this button to enable Edit mode to make any Turn on Zero to tier the zero balance for changes on settings each channel selected from CH Select Make sure to turn off before select different channel Once Zero balance for all channel When edit is done is done Click Edit and Save to store the Click this zero reference to PLM4 EPROM button Save to save the new settings to PLM4 memory IV TROUBLE SHOOTING A Palm uni
5. ote area CH1 CH3 5 Select any channel or total display to view stored signature the record Note 100Ton S N 24584 2mm OD Gave e COMPASS PLM 4 SOFTWARE SCREEN REFERENCE Main Screen Click here to bring down menu to access more options Last date amp time when the tonnage data has been recorded from PLM4 PalmCell ast Updated 10 26 2007 09 25 41 CH2 CH Current Operating Save current tonnage Mode Indication reading to memory If this button is used before viewing signature only tonnage value will get stored without signature data Tonnage Display shows Reverse Load for duration of 5 sec Operating Mode select Clears tonnage reading Then returns back to buttons to Zero in PEAK mode Peak Load 2 Signature Display From Main screen click on one of the load display to access signature screen Chi Tonnage Signature This screen shows the current captured load signature of the selected channel Click Save button to save current signature data to palm memory which you can retrieve and view later from View Stored Load Data screen 3 Signature Overlay Display From Main screen click on the total load display to access Signature Overlay screen Signature Overlay Legend Channel 1 Red Channel 2 Green Channel 3 Yellow Channel 4 Blue This screen shows all 4 channels of load signatures on one screen Please refer to the color legend for channel designation 4 PL
6. r DEC 6 Click Save to store what you have changed so far and click Edit again to continue making other changes or just continue to next parameters and click save when all changes have been made at the end B Entering a mV V value 6 Touch the mV V field in the same line Now touch the 123 portion on the front of the Palm unit again to gain access to the data entry screen Enter the mV V value stamped on the tag of the load cell connected to that channel EXAMPLE 2 036 mV V as you enter this value you will need to enter the decimal point as it is shown on the tag Then touch Done Now select Save then Edit C Zero Balancing the Channel 7 Select Zero On to balance Ch 1 to zero Wait for the value in the window to go to zero When at zero touch Off Then select Save again 8 The above procedure Steps 3 thru 7 must be repeated for each channel that has a load cell connected to it Start with Ch 2 now by selecting Edit again 9 Finish the set up for all channels by selecting Return Touch Reset Unit is now in peak mode and ready to register a dynamic reading D Peak Look Window Initial Setting 10 Select CompassPLM4 Options then PLM 4 Set up Touch Edit then Select PKLW field then touch the 123 area on the front of the Palm Unit Type 100 then touch Done and Save 11 Now select Return and Reset ll VIEW
7. t will not respond Click Recvr Recovery button from main CompassPLM4 screen lf there is still no communication from the Compass PLM 4 unit make sure that power is on at the Compass PLM 4 unit and the I R window has a clear path to the Palm unit B A given channel will not balance to zero sensor is disconnected connect sensor or sensor is preloaded remove preload C Waveform is not visible Go to PLM Setup screen and enter a larger Peak Look Window PKLW value EXAMPLE Current value is 100 ms try 1000 ms 1 second or larger if needed
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