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AEROCET 531S Manual 

Page 20 

AEROCET 531S-9800 Rev A.docx 

7. 

Serial Communications 

AEROCET 531S provides serial communications via the USB and DB9 connectors 
located on the right hand side of the unit.  The following sections discuss the various 
serial communications available with AEROCET 531S. 

ATTENTION: 

The included USB driver CD must be installed before connecting the AEROCET 531S 
USB port to your computer. If the supplied drivers are not installed first, Windows may 
install generic drivers that are not compatible with this product.. 
 
To install USB drivers: 
Insert the Comet CD. The install program should run automatically and display the 
screen below.  If an AutoPlay pop-up window appears, select “Run AutoRun.exe”. 
Finally, select “USB Drivers” to start the install process. 

 

 

 

WARNING: 

The RS-232 serial cable supplied with the AEROCET 531S is specially wired to 
function with the unit and the use of any other cable can cause damage.  Only 
use the cable supplied with the AEROCET 531S (MOI #3228)! 
 

 

Содержание AEROCET 531

Страница 1: ...ne Instruments Inc 1600 Washington Blvd Grants Pass Oregon 97526 Telephone 541 471 7111 Facsimile 541 471 7116 Regional Service 3206 Main St Suite 106 Rowlett Texas 75088 Telephone 972 412 4715 Facsimile 972 412 4716 AEROCET 531S MANUAL ...

Страница 2: ...ntative during normal business hours 7 30 a m to 4 00 p m Pacific Standard Time Monday through Friday Voice 541 471 7111 Fax 541 471 7116 E Mail service metone com Mail Technical Services Department Met One Instruments Inc 1600 Washington Boulevard Grants Pass OR 97526 NOTICE CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardo...

Страница 3: ...le History 10 4 4 4 Warning Error Messages 11 4 5 Sample Related Functions 11 4 5 1 Starting Stopping 11 4 5 2 Measurement Type 11 4 5 3 Sample Mode 11 4 5 4 Hold Time 11 4 5 5 Real Time Serial Report 11 4 5 6 Sample Timing 12 5 Menu Selections 12 5 1 Edit Menu Items 12 5 2 SAMPLE SETUP Screen 13 5 2 1 LOCATION Number 13 5 2 2 MEASURE 13 5 2 3 Sample MODE 13 5 2 4 HOLD Time 13 5 3 SETTINGS Screen ...

Страница 4: ... Charging the Battery 19 7 Serial Communications 20 7 1 Commands 21 7 2 Real Time Output 22 7 3 Comma Separated Value CSV 23 7 3 1 COUNTS Format 23 7 3 2 MASS Format 24 7 4 Printer Format 25 7 4 1 COUNTS Format 25 7 4 2 MASS Format 25 8 Maintenance 25 8 1 Service Schedule 25 8 2 Zero Count Test 26 8 3 Flow Rate Test 26 8 4 Annual Calibration 26 8 5 Flash Upgrade 26 9 Troubleshooting 27 10 Specific...

Страница 5: ...ng sections cover unpacking layout and performing a test run to verify operation 2 1 Unpacking When unpacking the AEROCET 531S and accessories inspect the carton for obvious damage If the carton is damaged notify the carrier Unpack and inspect the contents of the shipping container Standard items included are shown in Figure 1 Optional accessories are shown in Figure 2 Contact the supplier if any ...

Страница 6: ...531S Standard Equipment Custom Serial Cable P N 3228 AEROCET 531S P N AEROCET 531S Battery Charger P N 390031 Power Cord P N 400133 Carrying Case P N 8517 Calibration Certificate AEROCET 531S 9600 ISO Kinetic Probe P N G3110 Zero Count Filter P N G3111 USB Cable P N 500787 Comet Software CD P N 80248 Manual AEROCET 531S 9800 ...

Страница 7: ... turn off Charging Jack Input jack for the battery charger This connection charges the internal battery pack and provides continuous operating power for the unit USB Port For USB serial communication Serial Port For serial communication RS 232 or RS 485 AT RH Connector Mating connector for the optional external ambient temperature AT and relative humidity RH sensor Inlet Nozzle Ambient air inlet n...

Страница 8: ...ET 531S will sample for 1 minute and stop 4 Observe the PM levels on the display 5 Use the up down arrows to view other PM levels 6 The unit is ready for use 3 User Interface The AEROCET 531S user interface is composed of a 7 button keypad and a LCD display The following table describes keypad functionality Note some keys have more than one function Key Description Starts or stops a sample Starts ...

Страница 9: ...ents µg m3 Fundamentally the 531S calculates a volume for each detected particle then assigns a standard density for the conversion The standard density value is adequate for most sampling environments However some environments are heavily influenced by high or low density materials which can reduce measurement accuracy For these environments the 531S provides a K Factor setting for each measureme...

Страница 10: ...r threshold of your sample An example would be that the 1 0u size contains all particulate that are 1 0u and larger 22 JAN 13 17 56 PM1 1 1 ug PM2 5 3 3 ug PM4 4 6 ug PM7 5 5 ug PM10 6 7 ug TSP 10 6 ug AT 21 C RH 45 LOCATION 001 Figure 5 Mass Operate Screen with AT and RH 22 JAN 13 17 56 0 5u 24 600 TC 1 0u 2 516 TC 5 0u 44 TC 10 u 21 TC AT 21 C RH 45 LOCATION 001 Figure 6 Count Operate Screen wit...

Страница 11: ...DING AEROCET 531S is in auto mode and is waiting for the hold time to finish STOPPING AEROCET 531S is stopping the sample and is waiting for the count system to stop 10 AEROCET 531S is sampling The progress bar moves from left to right as the sample progresses The time remaining is displayed to the far right 4 4 3 Sample History Sample history previous data can be viewed on the Operate screen when...

Страница 12: ...he measurement type determines if the instrument measure mass ug m3 or particle concentration particles volume Measurement type is discussed in section 5 2 4 5 3 Sample Mode The sample mode controls single sample or continuous sampling The MANUAL setting configures the unit for a single sample The AUTO setting configures the unit for continuous sampling Sample modes are discussed in section 5 2 4 ...

Страница 13: ...C ºF Settings screen SERIAL View change report type baud rate and serial output mode Serial screen RECALL DATA Recall sample history based on time Recall Data screen PRINT DATA Print stored data based on a time range Print Data screen MEMORY View memory usage and clear memory Memory screen SET FLOW Adjust the sample flow rate Flow screen SET CLOCK Set the date and time Set Clock screen SET CONTRAS...

Страница 14: ...her MASS or COUNTS concentration Selection Description MASS When MASS is selected the unit will measure PM levels PM1 PM2 5 PM4 PM7 PM10 and TSP in ug m3 COUNTS When COUNTS is selected the unit will measure fixed particles sizes 0 5u 1 0u 5 0u and 10 0u 5 2 3 Sample MODE The sample MODE controls single sample or continuous sampling as illustrated below Selection Description MANUAL The MANUAL setti...

Страница 15: ...counts TC particles per liter L particles per cubic foot CF and particles per cubic meter M3 Particle count information updates while the unit is sampling Concentration values L CF M3 are time dependent so these values may fluctuate early in the sample however after several seconds the measurement will stabilize 5 3 2 TEMPERATURE The AEROCET 531S displays ambient temperature AT in Celsius C or Fah...

Страница 16: ...style report CSV A CVS style report is sent to the serial port at the end of the sample event or when initiated from the user interface or a serial command PRINTER A printer style report is sent to the serial port at the end of the sample event or when initiated from the user interface or a serial command 5 4 2 BAUD Use the BAUD rate selection to set the serial communications baud rate AEROCET 531...

Страница 17: ...is recalled is the Operate screen The unit will display on the upper right corner of the display to indicate history data 5 6 PRINT DATA Screen Stored sample events can be printed through the printer port within a user selected range To print selected data select PRINT DATA from the menu Figure 15 shows the PRINT DATA screen MEASURE COUNTS LOCATION 001 01 JAN 00 00 00 18 AUG 06 13 23 Figure 15 PRI...

Страница 18: ... the oldest saved samples with new samples AEROCET 531S provides the user the ability to view the memory usage as well as clear the memory 5 7 1 View Available Memory MEMORY screen is used to view available memory or to clear the memory The MEMORY screen is accessed by selecting MEMORY from the menu Figure 17 shows the MEMORY screen FREE 100 SAMPLES 6257 PRESS ENTER TO CLEAR MEMORY Figure 17 MEMOR...

Страница 19: ...LOW screen Figure 18 by pressing MENU then select SET FLOW The pump will start automatically when you enter the SET FLOW screen and stop when you leave the screen 3 Press or to obtain a reading of 0 1 CFM 2 83 LPM 5 on the reference flow meter 4 Press ENTER to save the setting or ESC to cancel the change 5 9 SET CLOCK Screen To set the date and time select SET CLOCK from the menu Figure 19 shows t...

Страница 20: ...rger is designed to work safely with this device Do not attempt to connect any other charger or adapter to this device Doing so may result in equipment damage To charge the battery connect the battery charger to an AC power outlet and the DC barrel connector to the socket on the right side of the AEROCET 531S The battery charger is universal and will work with power line voltages of 100 to 240 vol...

Страница 21: ... to your computer If the supplied drivers are not installed first Windows may install generic drivers that are not compatible with this product To install USB drivers Insert the Comet CD The install program should run automatically and display the screen below If an AutoPlay pop up window appears select Run AutoRun exe Finally select USB Drivers to start the install process WARNING The RS 232 seri...

Страница 22: ...s the units settings information 2 Reports all available records from the data file 3 Reports all records since last 2 or 3 command 4 Reports the last records base on a number of last records or a time stamp C Clear the data file D Set Date with format yyyy MM dd T Set Time with format HH mm ss E End a sample S Start a sample CU Set the Count Units 0 CF 1 L 2 TC 3 M3 ID Set the Location ID from 1 ...

Страница 23: ...S 9800 Rev A docx 7 2 Real Time Output The real time output occurs when the unit finishes a sample The output format is either off NONE a comma separated value CSV or a printer PRINTER depending on the REPORT style settings see section 5 4 3 ...

Страница 24: ...e 0 5 TC L CF M3 03560226 Note 2 3 Channel 2 Size 1 0 TC L CF M3 00399152 Note 2 4 Channel 3 Size 5 0 TC L CF M3 00013069 Note 2 5 Channel 4 Size 10 TC L CF M3 00006358 Note 2 6 AT C F 020 Note 2 3 7 RH 027 Note 3 8 Location 001 9 Seconds 060 Note 4 10 Status 000 Note 5 Status Bits Bit Value Condition 0 OK no alarms or errors 0 1 Not used 1 2 Not used 2 4 Not used 3 8 Not used 4 16 Low battery 5 3...

Страница 25: ...ug m3 005 9 5 PM10 ug m3 006 2 6 TSP ug m3 008 2 7 AT C F 21 Note 2 3 8 RH 40 Note 3 9 Location 001 10 Seconds 60 Note 4 11 Status 000 Note 5 Status Bits Bit Value Condition 0 OK no alarms or errors 0 1 Not used 1 2 Not used 2 4 Not used 3 8 Not used 4 16 Low battery 5 32 Sensor error Notes for table above 1 CSV header included for multiple record transfers like All Data 2 or New Data 3 2 Units de...

Страница 26: ...6 7 ug m3 TSP 10 6 ug m3 AT 20 C RH 26 8 Maintenance Due to the nature of the instrument there are no customer serviceable components in the AEROCET 531S The case of the AEROCET 531S should never be removed or opened for any reason Opening or removing the case of the AEROCET 531S voids the warranty and may result in exposure to laser radiation which can cause eye injury 8 1 Service Schedule Althou...

Страница 27: ...struments sells a suitable flow meter MOI 9801 The flow rate test follows 1 Connect a 3 reference flow meter to the sample inlet nozzle 2 Start a 5 minute sample 3 The flow meter reading after 3 minutes should be 0 1 CFM 2 831 LPM 5 4 Adjust the flow rate if the error is 5 see section 5 8 8 4 Annual Calibration The AEROCET 531S should be sent back to Met One Instruments yearly for calibration and ...

Страница 28: ...efective Battery Charge battery Send to service center Pump does not turn on when a sample is started Low Battery Defective pump Charge battery Send to service center Keypad does not work Loose connector Internal hardware failure Send to service center Sample result is lower than normal Flow rate is low Optics may be contaminated Perform flow rate test Send to service center Sample result is highe...

Страница 29: ...uous operation Battery Charge Time Fully changed in 2 5 hours AC Adapter Charger Li ion battery charger 100 240 VAC 50 60Hz 0 2A Communications USB RS 232 or RS 485 Interface Display 16 character x 4 line LCD Keyboard 7 key membrane type Physical Height 6 25 15 9 cm Width 4 00 10 2 cm Depth 2 12 5 4 cm Weight 2 00 lbs 0 91 kg Environmental Operating Temperature 0º C to 50º C Storage Temperature 20...

Страница 30: ...ranties of fitness of merchantability Service Any product being returned to Met One Instruments Inc for service repair or calibration including items sent for warranty repair must be assigned a return authorization RA number Please call 541 471 7111 or send an email to service metone com requesting an RA number and shipping instructions All returns must be shipped to the factory freight pre paid M...

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