PortaCount Plus Model 8020 Technical Addendum
Contents
1. Response from PORTACOUNT Plus G cr lf Q lt cr gt Test to see if N95 Companion is attached ON cr 1f Response if N95 Companion IS NOT attached QY cr lf Response if N95 Companion IS attached TSI Incorporated St Paul Minnesota USA 13 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 COMMAND DESCRIPTION VN cr Switch Valve ON sample through Ambient Tube This command switches the internal valve to the ON position which forces the sampled air to be drawn through the Ambient Tube The valve is automatically set to OFF when the External Control Mode is first invoked Response from PORTACOUNT Plus VN cr lf VE lt cr gt Switch Valve OFF sample through Sample Tube This command switches the internal valve to the OFF position which forces the sampled air to be drawn through the Sample Tube The valve is automatically set to OFF when External Control Mode is first invoked Response from PORTACOUNT Plus VO cr lf ZD lt cr gt Disable Continuous Data Transmission This command tells the PORTACOUNT Plus to stop sending continuous particle concentration data Response from PORTACOUNT Plus ZD lt cr gt lt lf gt ZE lt cr gt Enable Continuous Data Transmission This command tells the PORTACOUNT Plus to continuously transmit particle concentration data in 1 second interva2. The changes include e Sample timing changes to accommodate the longer N95 Companion sampling requirements Ambient purge 6 seconds Ambient sample 15 sec Mask purge 15 sec Mask sample 50 sec e The maximum fit factor that can be displayed is 200 Any fit factor measured to be above 200 is displayed as 200 with the words Fit Factor flashing The 200 limit was necessary because the particle concentrations output by the N95 Companion are too low to allow accurate fit factor measurements at higher levels e The pump inside the N95 Companion runs in addition to the pump inside the PortaCount TSI Incorporated St Paul Minnesota USA 24 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 The valve inside the PortaCount is no longer used and is left un energized sample tube open The valve control is automatically re routed to the N 95 Companion valve located inside the Sampling Pendant The minimum ambient particle concentration necessary to allow a fit test drops from 1000 to 70 particles cm TSI Incorporated St Paul Minnesota USA 25 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 e The internal pass fail settings are reduced by a factor of 10 Pass Fail setting for PortaCount Pass Fail setting alone with N95 Companion Comment 0 0 Pass Fail indicator OFF to 10 1 Minimum pa
3. command forces the PORTACOUNT Plus to transmit all current settings for sample times fit factor pass level serial number Hours of operation and date last serviced Each item is described below in the order it is transmitted Ambient Purge Time STPA 000vv cr lf vv isthe ambient purge time in seconds The value will be in the range from 04 to 25 Allexercises use the same ambient purge time Ambient Sample Time STA O000vv lt cr gt lt 1f gt vv isthe ambient sample time in seconds The value will be in the range from 05 to 99 Allexercises use the same ambient sample time There are 2 spaced after the STA Mask Sample Purge Time STPM 000vv cr lf vv is the mask sample purge time in seconds The value will be in the range from 11 to 99 All exercises use the same mask sample purge time There is one space after the STPM Mask Sample Times STMxx000vv cr lf continued on next page TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 COMMAND DESCRIPTION S lt cr gt continued from previous page continued 13 lines will be transmitted one for each exercise xx is the exercise number 01 to 13 and wv is the mask sample time in seconds Mask sample times will be in the range from 10 to 99 seconds The 13 line is the mask sample time 60 seconds used when the number of exercises is set to zer
4. is essentially an electrostatic particle classifier a k a Differential Mobility Analyzer or DMA that strips off all particle sizes above and below the target particle size of approximately 0 04 micrometers The target particle size is fixed and cannot be adjusted Refer to the N95 Companion Operation and Service Manual TSI part no 1980308 for operation and maintenance instruction Visit www tsi com to obtain a copy To operate with the N95 Companion the PortaCount Plus must have the revision A modifications The tag on the bottom of the PortaCount Plus will show MODEL 8020A if it is N95 Companion ready Revision A modifications can be added to older PortaCounts via factory service Sampling Pendant N95 Companion Theory of Operation The fundamental assumption made when fit testing with the PortaCount is that any particles sampled from inside the respirator must have entered through a leak since they cannot pass through the filter This assumption is always true for high efficiency filters but fails for low efficiency filters There are enough particle passing through low efficiency media to bias the fit test and cause very low fit factors even when the face seal is perfect The PortaCount does not know the difference between a particle that entered via a face seal leak and one that passed through the filter media Ambient Sample N95 COMPANION PORTACOUNT Mask Sample Exhaust TSI Incorporated St Paul M
5. 7 00 cc Output During the 60 Second Warm up During the initial 60 second warm up period the PortaCount Plus automatically transmits status information that shows the internal memory settings The settings reflect how the PortaCount Plus memory is set at the moment and can be changed For example when all settings are at the factory settings the data will transmit as follows NOTE If the optional Model 8095 N95 Companion is attached and active the printout will show the timing used with the N95 Companion These settings are different than those used by the PortaCount alone PORTACOUNT PLUS PROM Vx x COPYRIGHT c 1991 TS NC ALL RIGHTS RESERVED Serial Number XXXXX FF pass level 100 No of exercises 6 Ambient purge 4 sec Ambient sample 5 sec Mask purge 11 sec Mask sample 1 40 sec Mask sample 2 40 sec Mask sample 3 40 sec Mask sample 4 40 sec Mask sample 5 40 sec Mask sample 6 40 sec Mask sample 7 40 sec Mask sample 8 40 sec DIP switch 10111111 e Each line is terminated with both carriage return OD hex and line feed OA hex characters e The mask sample times are transmitted only for the number of exercises set TSI Incorporated St Paul Minnesota USA 8 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 e DIP Switches are considered ON if set to 1 and OFF if set to 0 DIP
6. ON which means that memory lock feature is OFF and the internal settings can be changed using the Keypad or software The FitPlus software is not affected by DIP switch 4 Memory Switch4 Unlocked DIP Switch 5 Factory Checkout Switch 5 is used by TSI when performing factory checkout of the PorraCount Plus and should always be in the ON position for normal use DIP Switch 6 Reset Factory Settings on Power Up Switch 6 should always be left ON unless you want to reset all the internal settings back to the way they were when the PonrACouwr Plus was new When switch 6 is OFF the PoRrACouwr Plus will reset back to the factory settings when the power is turned on Once the power is turned back on you will be able to change the internal settings unless switch 4 is OFF but they will be reset to the factory values the next time the power is turned off and then on again If you want to reset the internal settings back to the factory values move switch 6 to the OFF position and then start the PortaCount Plus Now turn the PoRrACour Plus off and change switch 6 back to the ON position The instrument will be reset and you will be able to permanently change the internal settings The factory settings are Fit Factor Pass Level 100 Number of exercises 8 Ambient Purge Time 4 sec Ambient Sample Time 5 sec Mask Purge Time 11 sec Mask Sample Time All exercises 40 sec DIP Switch 7 Reserved Switch 7 must always be left ON DIP
7. PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 TSI www tsi com PORTACOUNT Plus Model 8020 Technical Addendum includes the N95 Companion Model 8095 TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 INTRODUCTION This document is a addendum to the PortaCount Plus Model 8020 Operation and Service Manual TSI p n 1980092 It contains detailed technical information that is not normally needed by persons using the PortaCount Plus for respirator fit testing Persons who will find this document of interest include respirator manufacturers respiratory protection researchers and persons conducting general ultrafine particle studies not related to respirator fit testing The most recent version of this document as well as the PortaCount Plus Model 8020 Operation and Service Manual can be obtained from the TSI Web site www tsi com CONTENTS Bees eberiup e t 3 Serial Interface Output cu isch aod Eo EHI E ES DRE RR 7 Data and Accessory Port Pin Assignments 10 Computer Interface Cables sessesssss 10 Remote Control via Compulter sesseeesssss 12 SCO IOI essetek ntt een bet hb efc 23 TSI Incorporated St Paul Minnesota USA 2 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 DIP S
8. Switch 8 Use CTS When switch 8 is on the factory setting the PorraCount Plus will not require a Clear To Send CTS signal in order to send data through the RS 232C Data Port to a TSI Incorporated St Paul Minnesota USA 5 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 peripheral device When switch 8 is OFF the CTS signal will be required The CTS signal is always required when the PonrACouer Plus is in External Control Mode regardless of the position of switch 8 CTS Signal Swith8 TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 SERIAL INTERFACE OUTPUT Output in Fit Test Mode An example of the printout from a eight exercise fit test is shown below All characters are ASCII Each line is terminated with both carriage return OD hex and line feed OA hex characters The comments to the right side do not print COMMENTS NEW TEST PASS 100Start of new test Ambient 4750 cc Ambient concentration Mask 11 30 cc Mask concentration Ambient 4800 cc Ambient concentration FF 422 PASS Fit factor exercise 1 Mask 5 20 cc Ambient 4700 cc FF 2 894 PASS Fit factor exercise 2 Mask 9 80 cc Ambient 5000 cc FF 3 505 PASS Fit factor exercise 3 Mask 4 10 cc Ambient 5100 cc FF 4 1231 PASS Fit factor exercise 4 Mask 7 90 c
9. Switches are numbered 1 8 from left to right on the printout and 1 8 from top to bottom on the circuit board Output When a Battery Runs Low The PortaCount Plus will turn itself off when a battery runs out of power Just before it turns off the following message is transmitted Low Battery TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 DATA and ACCESSORY PORT PIN ASSIGNMENTS The PortaCount Plus features bi directional RS 232C communications through the Data Port The Accessory f Port is used to interface with the N95 f Companion accessory A RE DN The PortaCount Plus Data Port uses a modular RJ 45 connector with 8 contacts The contacts are numbered 1 S I through 8 from left to right when viewed bi 9 as shown dii Nd The PortaCount Plus Accessory Port ACCY is a 6 pin MMJ modified modular connector Contact 1 is on the left when viewed as shown Data Port Pin Assignments Contact Number 1 JjNotued J 4 O 2 Rey DTR From PortsCount Plus Receive data Rx To PortaCount Plus ea a Ae PO 6 NotUsed X Signal Ground G 8 Clear to send CTS To PorraCount Plus PortaCount Accessory Port Pin Assignments use TSI cable 1303522 Contact Number Function Comment 1 Ground 2 5 VDC Supply voltage for all circuits except s
10. WITCH SETTINGS LASER CAUTION This instrument is a Class I laser device Adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure There is a bank of 8 DIP switches located inside the PoRrACouwr Plus To gain access to the switches you must separate the top and bottom halves of the enclosure Follow the instructions below l Turn the PortaCounr Plus off 2 Turn the PortaCount Plus over so that it is face down and locate the four screws on the bottom that hold the two halves of the enclosure together Remove all four screws 3 Turn the PortaCount Plus right side up while holding the two halves of the enclosure together so they do not separate 4 Gently lift the top half of the case and set it down just to the left of the unit Notice that there is a ribbon cable connecting the top and bottom half together Try not to pull on the ribbon cable You do not need to disconnect the ribbon cable from the circuit board TSI Incorporated St Paul Minnesota USA 3 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 3 The DIP switches are located towards the bottom of the circuit board just to the left of center Make sure the PortaCount Plus is always off when changing DIP switch settings There are 8 DIP switches The top switch is number 1 and the bottom switch is number 8 A switch is considered to be ON when th
11. acter ASCII numeral 0 9 lt cr gt ASCII carriage return character OD hex or 13 decimal lf ASCII line feed character OA hex or 10 decimal Notes on External Control Mode e All characters sent to the PortaCount Plus and all characters returned by the PortaCount Plus are ASCII e Commands are case sensitive Be sure to use only uppercase as specified e All commands sent to the PortaCount Plus must be terminated with an ASCII carriage return cr character e All responses returned by the PortaCount Plus will be terminated with both an ASCII carriage return cr and a line feed lt 1 f gt character e When the PortaCount Plus receives a command that is not understood or has values that are outside the allowable range an ASCII E for Error is returned followed by and echo of the misunderstood command For example if a command is sent to the PortaCount Plus that attempts to change the ambient purge time to an out of range value such as 3 seconds with the command PTPAO003 cr The PortaCount Plus will respond as follows without changing the ambient purge time EPTPA003 lt cr gt lt lf gt e When the PortaCount Plus receives a command that attempts to alter a setting that is locked because DIP switch 4 is OFF it will return an ASCII W for Write protected followed by an echo of the illegal command See the Appendix on DIP switch settings for details on locking memory with DIP switch 4 For example if DIP s
12. c Ambient 4900 cc FF 5 610 PASS Fit factor exercise 5 Mask 13 50 cc Ambient 4800 cc FF 6 359 PASS Fit factor exercise 6 Mask 9 80 cc Ambient 5000 cc FF 7 505 PASS Fit factor exercise 7 Mask 11 30 cc Ambient 4800 cc FF 8 422 PASS Fit factor exercise 8 Overall FF 612 PASS Overall fit factor Output in Count Mode The PortaCount Plus sends ASCII characters through the Data Port in the following format while in 1 Second Count Mode Each line is terminated with both carriage return 0D hex and line feed 0A hex characters A line of data is transmitted every 2 seconds instead of every second to accommodate slow printers When in 1 Second Count Mode the Display show 1 second averages updated every second The Data Port transmits 2 second averages updated every 2 seconds Conc XXXXXX d cc TSI Incorporated St Paul Minnesota USA 7 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 In 15 Second Count Mode the ASCII output is in the following format Each line is terminated with both carriage return 0D hex and line feed 0A hex characters A line of data is transmitted every 15 seconds Ave Conc XXXXXX CC The xxxxxx is the numeric particle concentration in particles per cubic centimeter Concentrations from 100 up to 999999 are formatted as integers values below 100 have two decimal places For example a concentration of 87 would be transmitted as Conc 8
13. e right side is pushed down and OFF when the left side is down As shipped from the factory the DIP switches are set as follows The function of each of the DIP Switches is as follows Factory settings are shown in BOLD type DIP Switches 1 2 and 3 Baud Rate Switches 1 2 and 3 control the Baud rate used by the RS 232C Data Port The factory setting is for 1200 Baud If you change the Baud rate of the PortaCount Plus you must also change the Baud rate of devices that communicate with the instrument such as a printer or computer You should leave the Baud rate set at 1200 unless you have a good reason to change it The switch settings for various Baud rates are Baud Rate Switch 1 Switch 2 Switch 3 6000 1200 2400 9600 All Baud rates use 8 data bits no parity 1 stop bit Switch combinations not shown are undefined TSI Incorporated St Paul Minnesota USA 4 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 DIP Switch 4 Memory Lock Switch 4 allows you to lock the PorraCount Plus memory so that the internal settings for the sampling times fit factor pass level and number of exercises cannot be changed from the PortaCount Plus Keypad or by using the MODIFY program software supplied with the instrument The reason you might want to lock memory is to prevent unauthorized persons from altering the fit test protocol The factory setting for switch 4 is
14. he mask sample purge time in seconds and must be in the range from 11 to 25 For example to set the mask sample purge time to 15 seconds send the command PTPMO15 cr The PORTACOUNT Plus will respond with an echo of the same command PTPMO15 cr 1lf TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 COMMAND DESCRIPTION PTPAOvv cr Set Ambient Sample Purge Time This command sets the ambient sample purge time for exercises 1 through 12 vv is the ambient sample purge time in seconds and must be in the range from 04 to 25 For example to set the ambient sample purge time to 8 seconds send the command PTPAO08 cr The PORTACOUNT Plus will respond with an echo of the same command PTPAO08 cr lf PPxxvvvvv c r Set Fit Factor Pass Level The PORTACOUNT Plus stores a set of 12 fit factor pass levels in memory The operator is allowed to scroll through and select one of these values as the current fit factor pass level using the PORTACOUNT Plus Keypad This command allows any of the 12 fit factor pass levels stored in the PORTACOUNT Plus to be permanently changed xx is the memory location from 01 to 12 vvvvv is the new fit factor pass level between 00000 and 64000 All fit factor pass levels must have 5 characters Use leading zeros when necessary such as 000350 for 350 and 02000 fo
15. innesota USA 23 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 The N95 Companion is used as a particle conditioner in between the respirator and the PortaCount The 0 04 micrometer particles that are allowed to pass through to the PortaCount are in the size range that is effectively stopped by low efficiency filter media as well as high efficiency media By only allowing the PortaCount to see particles that can only enter the respirator via a face seal leak the N95 Companion makes low efficiency media look like high efficiency media to the PortaCount Since both the ambient and respirator sample pass through the N95 Companion the ratio of outside concentration vs inside concentration fit factor is valid For more information visit the www tsi com and review the following documents Mechanisms of Filtration for High Efficiency Fibrous Filters Application Note ITI 041 PortaCount Theory of Operation Application Note ITI 048 N95 Companion Model 8095 Theory of Operation Application Note ITI 053 Penetration of Ambient Aerosols Through Respirator Faceseal Leaks Application Note ITI 055 Fit Testing Using Size Selected Aerosol Application Note ITI 062 PortaCount Internal Program Configuration When the PortaCount Plus senses the presence of the N95 Companion it automatically resets itself and runs with special configuration parameters designed to function with the N95 Companion
16. ls Response from PORTACOUNT Plus is to echo ZE cr lf and then begin sending concentration data in units of particles per cubic centimeter The data values are in the format XXXXXX XXXCrI 5 lf All values are right justified with leading zeros as needed to send 9 characters including the decimal point Example Concentration Transmitted Particles cm Characters 0 60 000000 60 cr lf 100 000100 00 cr 1f 4756 5 004756 50 cr 1lf 23941 023941 00 cr 1lf 496720 496720 00 cr 1lf TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 COMMAND DESCRIPTION R lt cr gt Request Runtime Status of Battery and Signal Pulse This command forces the PORTACOUNT Plus to report the battery condition and the sensor pulse condition Three characters are returned by the PORTACOUNT Plus The first character is always an R The second character is the battery condition and the third is the sensor pulse condition When the AC Adapter is in use the first character indicates the condition of the power supply voltage rather than a battery Possible responses from PORTACOUNT Plus RGG cr lf Battery Good Pulse Good RGB cr lf Battery Good Pulse Bad RBG cr 1lf Battery Bad Pulse Good RBB lt cr gt lt 1lf gt Battery Bad Pulse Bad SXCr Request Settings This
17. nesota USA 27 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved revised 7 27 2001 28
18. o 8010 Mode The 13 mask sample time cannot be changed Fit Factor Pass Levels SP xxvvvvv cr lf 12 lines will be transmitted one for each of the fit factor pass levels stored in memory The PORTACOUNT Plus stores 12 fit factor pass levels in memory and allows an operator to scroll through the list using the Keypad Xx is the memory location between 01 and 12 Vvvvv is the fit factor pass level contained in that memory location The maximum value allowed for the fit factor pass level is 64000 There is one space after the SP Serial Number The PORTACOUNT Plus serial number is transmitted in the format SS vvvvv cr lf vvvvv is the serial number There are three spaces after the SS Run Time Since Last Serviced at the Factory The run time since the last time factory service was provided is transmitted in the format SR vvvvv lt cr gt lt lf gt vvvvv is the run time in 10 minute increments There are three spaces after the SR For example SR 05370 cr 1lf indicates that the unit has run for 53700 minutes or 895 hours since last serviced The timer is reset at the factory when service is performed Date Last Serviced The date when the PORTACOUNT Plus was last serviced at the factory is transmitted in the format SD OMMYY cr lf Where MM is the month number 01 to 12 and YY is the last 2 digits of the year 91 1991 9321993 00 2000 etc The character before the month number MM is always a ze
19. o add zeros on the left as needed For example to display a fit factor pass level of 1000 send the command L001000 cr The PORTACOUNT Plus responds by echoing L001000 cr 5 1lf FXXXXXX X lt CYr gt Display Fit Factor on PORTACOUNT Plus This command clears the entire Display and then displays a fit factor value The FIT FACTOR message is turned ON xxxxxx x is the fit factor to display and can be any number from 000000 0 to 999999 9 The fit factor value must be 8 characters long including the decimal point so add zeros as needed on the left The character to the right of the decimal point is not displayed if the value to the left of the decimal point is above 10 however it must be included in this command even if it is zero For example to display a fit factor of 6240 send the command F006240 0 cr The PORTACOUNT Plus responds by echoing F006240 0 cr 1f TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 COMMAND DESCRIPTION AxxxXxXXx X Cr Display Overall Fit Factor on PORTACOUNT Plus This command clears the entire Display and then displays an overall fit factor value The OVERALL FIT FACTOR message is turned ON xxxxxx x is the overall fit factor to display and can be any number from 000000 0 to 999999 9 The overall fit factor value must be 8 characters long including the decimal poin
20. olenoid valve 3 N95 Attach Sense Pull to ground to signal that N95 Companion is attached 4 5 VDC Solenoid valve High current supply for voltage feed solenoid valve only 5 Solenoid valve control 0 0 VDC sample from sample tube 5 0 VDC sample from ambient tube 6 Not used TSI Incorporated St Paul Minnesota USA 10 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 COMPUTER INTERFACE CABLES The diagrams below show how to connect an IBM PC compatible RS 232C serial interface to the PortaCount Plus Data Port The computer end of these cables are always female Serial interface connectors on the back of the computer are always male Pin 1 on the PortaCount plus Data Port is on the left as you look at the Data Port connector The PortaCount Plus Data Port uses a standard RJ 45 Modular Connector For 25 pin RS 232 connectors PortaCount Plus Data Port Pin Computer 25 Pin Connector PortaCount Plus Data Port Pin Computer 9 Pin Connector 1 TSI Incorporated St Paul Minnesota USA 11 Copyright 2001 all rights reserved REMOTE CONTROL via COMPUTER This section describes in detail how to operate the PortaCount Plus in External Control Mode through the Data Port This information will be useful to those who want to write their own control program The following nomenclature is used in this section x Single character ASCII numeral 0 9 v Single char
21. r 2000 For example to change the 3rd of 12 fit factor pass levels to 350 send the command PP0300350 lt cr gt The PORTACOUNT Plus will respond with an echo of the same command PP0300350 cr lf TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 COMMAND DESCRIPTION DXXXXXX XXXCIY 2 Display Concentration on PORTACOUNT Plus This command clears the entire Display and then displays a concentration value The PARTICLE cm message is turned ON xxxxxx xx is the concentration to display and can be any number from 000000 00 to 999999 99 The concentration value must be 9 characters long including the decimal point so add Zeros as needed on the left Characters to the right of the decimal point are not displayed if the value to the left of the decimal point is above 100 however they must be included in this command even if they are both zeros For example to display a concentration of 5375 send the command D005375 00 cr The PORTACOUNT Plus responds by echoing D005375 00 cr lf LXXXXXXXCrY Display Fit Factor Pass Level on PORTACOUNT Plus This command clears the Display and then displays a fit factor pass level The FIT FACTOR PASS LEVEL message is turned ON xxxxxx is the fit factor pass level to display and can be in the range from 000000 to 999999 The value to display must have 6 characters s
22. ro There are three spaces after the SD TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 COMMAND DESCRIPTION Y lt cr gt Turn Power OFF This command turns the PORTACOUNT Plus OFF It must be turned ON using the Keypad There is no way to turn the PORTACOUNT Plus ON using an external computer When first turned ON the PORTACOUNT Plus is always operable using the Keypad Response from PORTACOUNT Plus just before it turns off Y cr lf PTMxxvv lt cr gt Set Mask Sample Time Each exercise has its own independent mask sample time xx is the exercise number between 01 and 12 vv is the mask sample time in seconds between 10 and 99 For example to set the mask sample time for exercise 4 to 40 seconds send the command PTM0440 cr The PORTACOUNT Plus will respond with an echo of the same command PTM0440 cr 1lf PTAQOvv lt cr gt Set Ambient Sample Time This command sets the ambient sample time for exercises 1 through 12 vv is the ambient sample time in seconds and must be in the range from 05 to 99 For example to set the ambient sample time to 10 seconds send the command PTA0010 cr The PORTACOUNT Plus will respond with an echo of the same command PTAOO10 cr 1f PTPMOvv lt cr gt Set Mask Sample Purge Time This command sets the mask sample purge time for exercises through 12 vv is t
23. sage OFF continued on next page TSI Incorporated St Paul Minnesota USA 20 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 COMMAND DESCRIPTION IXXXXXXXXXCrI continued from previous page continued Bit 3 FIT FACTOR Message 1 Turn FIT FACTOR message ON 0 Turn FIT FACTOR message OFF Bit 4 SERVICE Message 1 Turn SERVICE message ON 0 2 Turn SERVICE message OFF Bit 5 LOW PARTICLE Message 1 Turn LOW PARTICLE message ON 0 Turn LOW PARTICLE message OFF Bit 6 LOW BATTERY Message 1 Turn LOW BATTERY message ON 0 Turn LOW BATTERY message OFF The LOW BATTERY message will flash when it is ON Bit 7 FAIL Message Turn FAIL message ON 0 Turn FAIL message OFF Bit 8 PASS Message 1 Turn PASS message ON 0 Turn PASS message OFF For example to turn all messages OFF all bits would be zero so send the command 100000000 lt cr gt The PORTACOUNT Plus will respond 100000000 lt cr gt lt lf gt continued on next page TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved 21 PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 COMMAND DESCRIPTION IXXXXXXXXXCI2 continued continued from previous page To turn the FAIL message on only bit 7 must be a 1 send the command 100000010 lt cr gt The PORTACOUNT Plus will respond continued on ne
24. ss fail 1 50 5 100 10 200 20 500 50 1000 100 2000 or higher 200 Maximum pass fail 200 Not a factory setting N95 Companion Front Panel Sample inlet s approx 700 cm min Sample outlet to PortaCount Pendant valve control connector TSI Incorporated St Paul Minnesota USA 26 Copyright 2001 all rights reserved PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 N95 Companion Sampling Pendant 5 VDC to hold valve open on ambient sample tube TSI 4 Pant Ground Pendant valve control connector Sample outlet from N95 Companion to N95 Companion N95 Companion Back Panel Factory use only Particle Classifier Check Button turns DMA off Control Connector 6 pin MMJ to PortaCount Use TSI cable 1303522 N95 Companion Control Connector Contact Number Function Comment 1 Ground 2 5 VDC from PortaCount Supply voltage for all circuits except solenoid valve in pendant 3 N95 Attach Signal Jumpered to ground to signal to PortaCount PortaCount that N95 Companion is attached 4 5 VDC Solenoid valve High current voltage supply voltage feed from PortaCount for solenoid valve in pendant 3 Solenoid valve control 0 0 VDC sample from from PortaCount sample tube normal position 5 0 VDC sample from ambient tube maintain voltage while sampling 6 Not used TSI Incorporated St Paul Min
25. t so add zeros as needed on the left The character to the right of the decimal point is not displayed if the value to the left of the decimal point is above 10 however it must be included in this command even if it is zero For example to display an overall fit factor of 740 send the command A000740 0 cr The PORTACOUNT Plus responds by echoing A000740 0 cr 1f Nxx lt cr gt Display Exercise Number on PORTACOUNT Plus This command displays an exercise number on the PORTACOUNT Plus Display xx is the number to display and must be in the range from 00 to 19 For example to display the exercise number 5 on the PORTACOUNT Plus send the command N05 cr The PORTACOUNT Plus will respond with an echo of the same command NO5 lt cr gt lt lf gt Ixxxxxxxx lt cr gt Display Indicator Message on PORTACOUNT Plus This command causes selected indicator messages to turn ON or OFF on the PORTACOUNT Plus Display xxxxxxxx represents an eight place binary value Each bit corresponds to a particular indicator message 1 means ON and 0 means OFF The left most bit is bit 1 and the bit furthest to the right is bit 8 Each of the 8 bits controls a certain indicator message as described below Bit 1 Not Used Bit one is not used and is ignored by the PORTACOUNT Plus For simplicity a zero 0 will always be used for bit 1 Bit 2 IN PROGRESS Message z Turn IN PROGRESS message ON it will flash 0 Turn IN PROGRESS mes
26. witch 4 is OFF and an attempt is made to change the mask sample time for exercise 3 to 30 seconds with the command PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 PTMO330 cr The PortaCount Plus will respond as follows without changing the mask sample time WPTMO330 cr lf e If a low battery condition occurs while the PortaCount Plus is in External Control Mode the following characters are transmitted just before the unit turns itself off Low Battery lt cr gt lt lf gt The following table describes each of the available external commands and responses in detail COMMAND DESCRIPTION J lt cr gt Invoke External Control This command puts the PORTACOUNT Plus into External Control Mode All characters sent are ignored until the first J lt cr gt is received Response from PORTACOUNT Plus OK cr lf When External Control Mode is invoked certain parameters are automatically set as follows e The internal valve is set to OFF This position forces air to be drawn through the Sample Tube The PORTACOUNT Plus Display is cleared The External Control indicator on the Keypad is turned ON Count Mode and Fit Test Mode indicators are turned OFF Continuous transmission of concentration data is enabled as if the ZE lt cr gt command had been received G cr Release from External Control This command puts the PORTACOUNT Plus back into Local Mode so it can be operated from the keypad
27. xt page continued from previous page 100000010 lt cr gt lt lf gt To turn the FAIL message OFF and the PASS message ON with one command bit 7 must be a zero and bit 8 must be a 1 send 100000001 lt cr gt The PORTACOUNT Plus responds 10000000 1 lt cr gt lt lf gt To turn the FIT FACTOR message and the PASS message ON at the same time bit 3 must be a 1 and bit 8 must be a 1 send 100100001 cr The PORTACOUNT Plus responds 100100001 cr 1f K cr Clear Display on PORTACOUNT Plus This command clears the entire PORTACOUNT Plus Display Send the command Response from PORTACOUNT Plus K cr lf Bxx lt cr gt Sound Beeper inside the PORTACOUNT Plus This command causes the internal beeper to sound Xx is the duration of the beep in 1 10 seconds in the range from 01 to 99 0 1 to 9 9 seconds For example to sound a 5 10 1 2 second beep send the command B05 cr The PORTACOUNT Plus beeps for the specified time interval and responds B05 cr lf TSI Incorporated St Paul Minnesota USA Copyright 2001 all rights reserved 22 PORTACOUNT Plus Model 8020 Technical Addendum revised 7 27 2001 N95 Companion Model 8095 The N95 Companion is an accessory for the PortaCount Plus that permits the PortaCount to perform quantitative fit testing on low efficiency disposable respirators such as class 95 USA and class P1 P2 other countries The N95 v Companion
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