Scott Instruments 087-0007G Safety, Setup, Operation & Maintenance Manual Download | Manualshive

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Model 4688-IR / 4679-IR
Operation & Maintenance Manual

Manual #087-0007G, 10/2003

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

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Summary of Contents for 087-0007G

Page 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Page 2: ... the contents of this manual 1 Install the system correctly following all local state and federal guidelines 2 Perform regular operational tests on the transmitter This helps ensure the unit is functioning properly 3 Maintain a zero adjustment log for each transmitter and adhere to the schedule Infrared combustible gas transmitters require periodic zero adjustment in order to continue to operate a...

Page 3: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 4: ...low See Appendix 3 for gas cross sensitivity tables e When the display has the correct gas touch the magnet to the E key and observe the display read SEt Then touch the magnet to the Z key 3 times until the display shows RUN The instrument is now ready to operate Consult the manual for more information on the instrument s many features Para meter SR GN Gas Notes Standard Ga s Set 1 2 3 4 5 6 10 Me...

Page 5: ...2 Model 4688 IR 4679 IR Operation MaintenanceManual Manual 087 0007G 10 2003 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 6: ... Transmitter Parameters _______________________ 22 Adjusting LCD Display Contrast ____________________________ 23 Acknowledging Latched Alarms ____________________________ 24 Inhibiting Output ________________________________________ 24 Zeroing the Transmitter ___________________________________ 24 Adjusting the Loop Output Parameters _______________________ 26 Setting Alarm and Sensor Parameters ...

Page 7: ...______________ 56 Periodic Maintenance ____________________________________ 57 Troubleshooting ____________________________________________ 62 General Difficulties ______________________________________ 62 Fault Codes____________________________________________ 63 Resetting Factory Defaults _________________________________ 66 Contacting Scott Instruments _______________________________ 66 Technic...

Page 8: ... 4688 IR Model 4679 IR Operation MaintenanceManual Manual 087 0007G 10 2003 Start Up General Information Installation Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 9: ...cent emitter passes through a volume of gas then is reflected by a mirror onto 2 fixed detectors One detector is tuned to a wavelength that is absorbed by hydrocarbons or CO2 while the other detector is tuned to a nearby wavelength that is not absorbed The ratio of the output voltages of the 2 detectors is used to compute the concentration of gas As gas concentration increases the incremental outp...

Page 10: ...roups B C and D hazardous classified locations these locations are approximately equivalent to Class 1 Division 1 and 2 Groups B C and D as defined in the pre 1996 NEC The instrument accomplishes this primarily through the use of the explosion proof method of protection Ex d The 1 exception is the heater which uses the intrinsically safe Ex ib method of protection Using a Flowcell When using the G...

Page 11: ...vides infrared radiation for detectors Easily field replaceable see Troubleshooting Maintenance Replacing The Emitter Mirror Support Assembly Provides the optical path in which gas absorbs infrared radiation from the emitter An intrinsically safe heater prevents condensation on the mirror Two versions exist the standard nickel plated aluminum and the optional 316 stainless steel Filters Allow gas ...

Page 12: ...rument in a manner that minimizes vibration 6 Accessibility When determining mounting location consider future maintenance requirements 7 Avoid water Water inside the infrared optics will adversely affect performance Although the optics are heated to prevent condensation on the mirror the use of a rain shield is still recommended for outdoor installations NOTE The rain shield is included with the ...

Page 13: ...izontally is application dependent and should only be done in indoor applications and where there is no potential for the transmitter s optics assembly to be exposed to liquid 4 For Dirty Indoor Use For use in applications were no wash downs or liquid spray is expected Use the inner filter 077 0166 dust shield cage 074 0340 outer filter 077 0209 and filter disk 077 0210 The transmitter is typicall...

Page 14: ... DRAINAGE HOLE P N 077 0210 1 INNER FILTER CAGE POREX FILTER P N 077 0209 O RING P N 009 0024 VITON OUTER SHIELD SUBASSEMBLY OUTER SHIELD SUBASSEMBLY POREX FILTER MEMBRANE w DRAINAGE HOLE P N 077 0210 1 INNER FILTER CAGE POREX FILTER P N 077 0209 1 4 NPT PLUG O RING P N 009 0024 VITON Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 15: ...equirements EN 61010 1 1995 edition and UL 3111 1 1994 edition Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements contain the following requirement Except as specified in 6 12 1 1 equipment shall be provided with a means for disconnecting it from each operating energy supply source whether external or internal to the equipment The di...

Page 16: ...cted to the receiver s terminal Note that this may be the same supply powering the instrument or a different one see Isolated and Non Isolated Loop Power Current flows through the receiver and out of the terminal to the transmitter s mA terminal TB1 3 Controlled by the virtual resistance of the instrument current flows out of the transmitter s mA terminal TB1 4 to the supply negative common Isolat...

Page 17: ... and return the power switch to the ON position 5 Screw transmitter cover on ensuring a tight seal Installing Transmitters with Remote Display see Figure 8 The remote display option enables users to mount the GasPlus IR s controls and display up the 50 feet away from the sensor The 50 foot maximum should not be exceeded After physically mounting the transmitter and remote display enclosures 1 Unsc...

Page 18: ...splay board Connect the 9 conductor master to remote cable as shown in Figure 10 Replace the display board and screw the enclosure cover on ensuring a tight seal 5 Turn the power switch to the ON position on the master transmitter and screw the enclosure cover on ensuring a tight seal Powering The Transmitter When power is applied to the transmitter all segments and indicators on the display will ...

Page 19: ... DIA 7 9 MOUNTING HOLES 3 4 NPT X PROOF UNION 048 0040 INSERT KWIKO FIBER FILLER THEN FILL WITH SEALING CEMENT 096 2211 ALL COMPONENTS PROVIDED 50 13 ENCLOSURE MOUNTING BLOCK 074 0289 2 3 4 NPT CONDUIT FITTINGS ONE EACH SIDE CONDUIT CUSTOMER SUPPLIED ALL DIMENSIONS ARE SHOWN IN INCHES mm AND ARE NOMINAL 5 63 143 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisant...

Page 20: ... Operation MaintenanceManual Manual 087 0007G 10 2003 Figure 6 RS 485 Communications Connections Figure 7 RS 232 Communications Connections Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 21: ...sition before removing Display CPU board stack Ensure power switch is in the OFF position prior to replacing board stack Note The AL1 and AL2 relays are assumed to be field programmed as non fail safe normally de energized Field programming these relays for fail safe normally energized operation will reverse the NC NO status of the relays See page 25 for additional information Note The power and C...

Page 22: ...OW ER SW ITCH Place in the OFF position before removing Display CPU board stack Ensure power switch is in the OFF position prior to replacing board stack POW ER SW ITCH Place in the OFF position before removing Display CPU board stack Ensure power switch is in the OFF position prior to replacing board stack POW ER SW ITCH Place in the OFF position before removing Display CPU board stack Ensure pow...

Page 23: ...R Operation MaintenanceManual Manual 087 0007G 10 2003 Figure 10 Optional Remote Display Connections Separation not to exceed 50 feet Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 24: ...21 Model 4688 IR Model 4679 IR Operation MaintenanceManual Manual 087 0007G 10 2003 Transmitter Operation Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 25: ...elect a menu option or to enter a setting These keys are referred to as either the Up or Down keys Used to move up or down through a menu or to increase decrease a setting AL1 AL2 FAULT INHIBIT MAINT AL1 AL2 FAULT INHIBIT MAINT AL1 AL2 FAULT INHIBIT MAINT ESC USER FACT COMM LOCK RUN Mode The transmitter s normal operating mode is referred to as RUN mode The transmitter will always return to RUN mo...

Page 26: ...in display ESC Touching the magnet to the Enter key while the parameter is displayed selecting the parameter causes its value to be displayed for editing Editing is done by placing the magnet over the Up and Down arrow keys to increment or decrement its value and then placing the magnet on the Enter key to store the new value The display changes to SEt if successful or ERR if a memory error is det...

Page 27: ... applied to the tr be applied to the tr be applied to the tr be applied to the tr be applied to the transmitter for at least 20 minutes ansmitter for at least 20 minutes ansmitter for at least 20 minutes ansmitter for at least 20 minutes ansmitter for at least 20 minutes Frequency Frequency Frequency Frequency Frequency Slight changes in the GasPlus IR s sensor optics over time will affect its zer...

Page 28: ...lator to the air cylinder and connect the tubing from the gas barb on the regulator to the gas barb on the gas test adapter Flow rates up to 2 LPM are permitted 2 Open the regulator and permit the air to flow for 2 to 3 minutes 3 Touch the magnet to the Z Zero key for 6 seconds until the display shows SEt then remove the magnet If zeroing the instrument causes a memory error the display will show ...

Page 29: ...alse alarms at the r ent false alarms at the receiv eceiv eceiv eceiv eceiver er er er er set the r set the r set the r set the r set the receiv eceiv eceiv eceiv eceiver channel er channel er channel er channel er channel to alarm inhibit prior to making these adjustments to alarm inhibit prior to making these adjustments to alarm inhibit prior to making these adjustments to alarm inhibit prior t...

Page 30: ...e test output will automatically shut off when exiting the menu If no keys are pressed the unit will return to Run Mode in 2 minutes Setting Alarm and Sensor Parameters The USER menu accesses the transmitter s alarm and sensor configuration parameters ESC Apply the EIT magnet to the Down key once to display the USER menu selection Enter the USER menu by selecting the E ENTER key Access the selecte...

Page 31: ...larm 2 Default 10 v v 12 v v O sec O sec NO YES Fault Default O sec O sec YES NO Alarm Relay Settings Model 4679 IR CO Alarm Relay Settings Model 4679 IR CO Alarm Relay Settings Model 4679 IR CO Alarm Relay Settings Model 4679 IR CO Alarm Relay Settings Model 4679 IR CO2 2 2 2 2 Gas Gas Gas Gas Gas T T T T Transmitter ransmitter ransmitter ransmitter ransmitter Set Point Reset Point Set Delay Rese...

Page 32: ...lower the Reset P lower the Reset Point Likewise the Reset P oint Likewise the Reset P oint Likewise the Reset P oint Likewise the Reset P oint Likewise the Reset Point cannot be oint cannot be oint cannot be oint cannot be oint cannot be progr progr progr progr programmed higher than the Set P ammed higher than the Set P ammed higher than the Set P ammed higher than the Set P ammed higher than th...

Page 33: ...he corresponding v v of the gas being measured the date the transmitter was last zeroed and ambient temperature Report Generation This Report function would typically be accessed in the field through the RS 232 connection with the output going to a portable printer datalogger or PC Report generation is accomplished through the COMM Menu Through the user interface you may program the 4688 IR to gen...

Page 34: ... prohibiting unauthorized access to calibrations and critical parameter settings When the lock is enabled lock icon appears on display parameters may be viewed but not changed until the lock is disabled no icon visible The lock is toggled on and off by simply entering the password at the LK ON parameter default 000 This 3 digit password may be changed via the LK PW field Once unlocked the transmit...

Page 35: ...ayed as 000 Attempting to enter a new password will result in a display of Err instead of SEt Auto Lock Timer LK tM As an option parameter security is automatically re enabled after being toggled off by specifying a nonzero value in the LK tM parameter The value appearing in the LK tM parameter is the number of minutes 1 to 90 which the transmitter remains unlocked before automatically re locking ...

Page 36: ...ed remove the magnet 5 To save the new value place the magnet over the Enter key and observe SEt in the display The new value is saved in user parameter memory and the user parameter checksums are updated If a parameter memory error is detected while saving the new value ERR will be displayed and the appropriate fault code will be displayed upon returning to RUN mode Place the magnet over the Esca...

Page 37: ...34 Model 4688 IR 4679 IR Operation MaintenanceManual Manual 087 0007G 10 2003 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 38: ...35 Model 4688 IR Model 4679 IR Operation MaintenanceManual Manual 087 0007G 10 2003 Serial Communications Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 39: ...r Three data transmission methods are available on the GasPlus IR RS 232C RS 485 and 4 20 mA These methods have quite different characteristics 4 20mA RS 232C RS 485 Data Format Analog Digital Digital Transmission type Max transmitting devices Max receiving devices Max line length Max transmission rate Current loop Referred to ground Differential 1 1 32 1 1 32 n a 15m 1 000m n a 38 4 kB s 90 500 k...

Page 40: ...vices to 247 The 4688 IR limits the transmission rate to 9600 baud MODBUS Protocol or Network MODBUS Protocol or Network MODBUS Protocol or Network MODBUS Protocol or Network MODBUS Protocol or Network In the Modbus protocol up to 247 transmitting and receiving devices can be used on a single bus not including the DCS or PLC Modbus uses master slave centralized bus access The master a PLC PC based...

Page 41: ...cation layer application must be dir layer application must be dir layer application must be dir layer application must be dir layer application must be directed towar ected towar ected towar ected towar ected toward the manufactur d the manufactur d the manufactur d the manufactur d the manufacturer er er er er Modbus Protocol Message Framing Protocol Message Framing Protocol Message Framing Prot...

Page 42: ...rs Coils and Addresses The Modbus protocol allows the master device to read from or write data to the transmitter using two data types coils 1 bit and registers 16 bits However consecutive groups of coils and registers can be combined to form other logical and real data types Organizing parameter data within transmitter memory improves communications efficiency The GasPlus IR s first 25 registers ...

Page 43: ...appropriate address registers Each parameter s data type address and parameter number are specified within the tables provided in the Instrument Navigation Parameter Reference Appendix 1 provides Modbus Register Address locations and Appendix 2 Command Function descriptions The basics of writing a value to a parameter is summed up in 4 steps 1 Write the input data to the appropriate data registers...

Page 44: ... provide continuously updated READ ONLY data for transmitter gas concentration temperature and status see Appendix 1 All parameters defined in the USER LOCK COMM and FACT menus are also available to users on a READ ONLY basis Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 45: ...42 Model 4688 IR 4679 IR Operation MaintenanceManual Manual 087 0007G 10 2003 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 46: ... 4688 IR Model 4679 IR Operation Maintenance Manual Manual 087 0007G 10 2003 Instrument Navigation Parameter Reference Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 47: ... not used except after sensor bulb maintenance and replacement F PWD F tMR F AGC F NOP F CAL F HtZ F RES GW W0 GS W1 SR FA SR D1 SR D2 SR G1 Communications Functions Adjusts transmitter 4 20 mA out serial comm and report generator parameters Current Loop MA 04 MA 20 MA F MA I MA t Report Generator RP ON RP D1 thru RP d5 RP E1 thru RP E5 RP F1 thru RP F6 Real Time Clock RT MO RT Dt RT YR RT HR RT M...

Page 48: ...he concentration has fallen to or below the alarm s set point value 0 3 0 PMEM 40272 Low byte Unsigned Byte 8 15 0 LEL 60 LEL or equiv V V 50 LEL CO2 0 0 v v 5 0 v v 1 0 v v 0 LEL 60 LEL or equiv V V 45 LEL CO2 0 0 v v 5 0 v v 1 0 v v A2 Sd Alarm 2 Set Delay in seconds See A1 Sd for details 0 s 0 s 0 s PMEM 40266 Unsigned Integer 16 18 A2 Rd Alarm 2 Reset Delay in seconds See A1 Rd for details 0 s...

Page 49: ... no affect if the alarm is currently active and cannot be used to turn off an alarm The state is reset to 0 at startup and is defined below 0 None 4 Fault 1 AL1 5 AL1 Fault 2 AL2 6 AL2 Fault 3 AL1 AL2 7 AL1 AL2 Fault NOTE To prevent false alarms at the receiver set the receiver channel to alarm inhibit prior to making these adjustments 0 7 0 VMEM 0 1 0 LEL CO2 1 1 1 v v USER MENU Alarm Relay Param...

Page 50: ...s the negative drift limit the display units and decimal precision parameters See the parameter description for default values 1 Methane 15 Methanol 2 Ethane 16 Butadiene 3 Propane 17 Pure Methane 4 Butane 18 20 V V Hexane 5 Pentane 19 Ethanol 6 Hexane 20 Benzene 9 Ethylene 21 Xylene 10 Propylene 22 Isobutanol Isobuty 11 Acetone Alcohol 12 IPA 23 Rotosolv 1 13 MEK 24 Cyclohexane 14 Toluene 64 Carb...

Page 51: ...2 updated during mfg PMEM 40313 Signed Byte 8 32 SR ZD Sensor Zero Date Read Only When the unit is zero calibrated it stores the date under this parameter Since the unit is zero calibrated during manufacture the date will be set at that time The value is reset to 1 when default parameters are restored 1 31 31 updated during mfg PMEM 40314 Signed Byte 8 33 SR ZY Sensor Zero Year Read Only When the ...

Page 52: ...rameter 0 999 000 NOT LOCKED PMEM 40312 low byte Unsigned Byte 8 40 LK PW Lock Password The lock password is visible for changing only when the lock icon is not present on the LCD The master password is 251 and will open the lock at any time 0 999 0 PMEM 40311 Integer 16 41 LK TM Auto Lock Time Out Specifies the number of minutes after which the transmitter will automatically re lock The period be...

Page 53: ...hibit Level Specifies the output in milliamps when the transmitter is placed into an alarm inhibit condition 1 5 mA 20 0 mA 1 5 mA PMEM 40343 REAL 32 46 MA t 4 20 mA Test Level Specifies the output in milliamps which is forced onto the current loop for test purposes checking alarms at the receiver etc 1 0 mA 20 0 mA 4 0 mA PMEM 40341 REAL 32 47 RP ON Report On Off When set to 1 a report line is tr...

Page 54: ...llowed by RP E2 RP E3 etc The null terminated string may be up to 5 characters in length The last character must be 0 Examples carriage return RP E1 0d RP E2 thru RP E5 0 carriage return line feed RP E1 0d RP E2 0A RP E3 thru RP E5 0 0 FF hex RP E1 0d RP E2 0A RP E3 00 PMEM 40306 Byte 40 55 thru 59 RP F1 thru RP F8 Report Fields Data may be printed in up to 8 fields in the form of a 1 line report ...

Page 55: ...termal real time clock minutes 0 59 0 CMEM SC Ad Modbus Address Specifies the address to which the instrument will respond to Modbus queries when SC Md 2 This field also shows up in the first column printed by the report generator 1 247 1 PMEM 40287 Unsigned Byte 8 73 SC bR Serial Communication Baud Rate Specifies the data communication baud rate 0 110 6 4800 1 150 7 9600 2 300 8 19 2 k 3 600 9 31...

Page 56: ...8 80 SC RS Serial Communication RS 232 485 Selection Specifies either RS 232 or RS 485 communication When choosing RS 232 verify the jumpers at JP1 on the power supply board are cut and jumpered as shown in the electrical connections Since RS 485 is the default no modifications to JP1 are required 0 RS 232 1 RS 485 0 1 1 RS 485 PMEM 40287 hi byte Unsigned Byte 8 81 SC Rt Serial Communication Retri...

Page 57: ...eters are rarely used under field conditions Typically these parameters are only used for troubleshooting and service issues Refer to the Troubleshooting Maintenance section for assistance in malfunction diagnosis Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 58: ...55 Model4688 IR Operation Maintenance Manual Maintenance Troubleshooting Product Support Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 59: ...pull downward Grasp the base of the heater wire and gently pull downward to unplug it from the heater wire connection pin Do not allow the heater wire connection pin to make contact with Do not allow the heater wire connection pin to make contact with Do not allow the heater wire connection pin to make contact with Do not allow the heater wire connection pin to make contact with Do not allow the h...

Page 60: ... Scott Instruments Service department for further troubleshooting assistance see Contacting Scott Instruments Cleaning the Mirror Assembly Cleaning the mirror assembly will help remove most accumulations of dirt etc within the transmitter s mirror assembly The necessity and frequency of this procedure is dependant on the environment in which the transmitter is operating Alternately the assembly ca...

Page 61: ...0 and 4 on the LCD display On transmitters with optional relays the fault relay will also be triggered STEP 1 Before replacing the emitter cycle the transmitter power off and on If this clears the fault indication there is no need to replace the emitter STEP 2 Remove power from the transmitter and remove the dust shield by gently turning it to the left until the twist lock fitting unlocks and then...

Page 62: ...eter and touch the magnet to the Enter key This function will take about 2 minutes to run If successful the LCD will read SEt Use the Z key to return to the main screen NOTE If ERR appears on the display do the following 3 Reset the gain pots back to the factory defaults A Use the Z key to return to the main screen B Touch the magnet to the down key 2 times USER FACT C Touch the magnet to the ente...

Page 63: ...rce or if zeroing a carbon dioxide transmitter use nitrogen STEP 2 Obtain a calibration gas cylinder containing the target gas in a concentration of 50 LEL or greater the transmitter can be spanned using a gas concentration as low as 10 LEL but for accuracy purposes this is not recommended Verify that the span gas being used has not exceeded its expiration date Old or improperly stored calibration...

Page 64: ...r Methane SR GN 1 or Butane SR GN 4 is performed the cross calibration factors from Methane and Butane must be copied to the other standard gases by using the UP DOWN arrow keys To select F WCF touch the magnet to the ENTER key 1 or 4 will be displayed Touch the magnet to the ENTER key again and SET will be displayed when successful Touch the magnet to the ESC key 3 times until the display shows R...

Page 65: ...ing set point MAINT Indicator displayed The MAINT indicator appears when the reference detector IR1 signal drops below 1 5 volts peak to peak This will occur when enough dirt dust contamination has collected in the sensor body to reduce the amount of reflection below 30 of its original value If this occurs the mirror assembly will likely require cleaning See Periodic Maintenance Cleaning the Mirro...

Page 66: ...fault codes use the form F XXX where X is any alphanumeric value while sensor fault codes use the form dF XX Following is list of GasPlus IR fault codes and corrective actions Before performing any corrective action cycle the transmitter power off and on If this clears the fault indication there is no need to perform further corrective action DO NOT REMOVE OR INSER DO NOT REMOVE OR INSER DO NOT RE...

Page 67: ...x HTR F 9 x x HTR EE F A x x HTR LOOP F B x x HTR LOOP EE F C x x HTR TEST F D x x HTR TEST EE F E x x HTR TEST LOOP F F x x HTR TEST LOOP EE F x 1 x EMEM F x 2 x PW R F x 3 x EMEM PWR F x 4 x LCD F x 5 x LCD EMEM F x 6 x LCD PWR F x 7 x LCD PWR EMEM F x 8 x CLK F x 9 x CLK EMEM F x A x CLK PWR F x B x CLK PWR EMEM F x C x CLK LCD F x D x CLK LCD EMEM F x E x CLK LCD PWR F x F x CLK LCD PWR EMEM F...

Page 68: ...ensor E E PRO M I2C bus fault Rem ove power to unit O pen housing and check sensor connections to power supply board Replace entire sensor if neces sary LOO P 4 20m A c urrent loop output open Repair connection TE S T Used for testing fault relay operation A L TO alarm test override see A larm Relay param eters Clear by returning A L TA to 0 HTR Heater current to sensor below 50m A Rem ove rainshi...

Page 69: ...ers to be reset to factory default values Contact the factory for the proper procedure 251 Welsh Pool Rd Exton PA 19341 SCOTT INSTRUMENTS may be contacted Monday through Friday 8 30 am to 5 00 PM EST Phone 1 610 363 5450 FAX 1 610 363 0167 e mail service scottinstruments com Extremely Important Do not enter a value of 2 in F RES This will corrupt the sensor memory Contacting SCOTT INSTRUMENTS Arti...

Page 70: ... 6 months Non intrusiveviamagnet 4 digit LCD with user adjustable contrast Numeric display of gas concentration and faults icons for alarms lock and inhibit 6 5 lbs 3 0 kg 2 years Isolated 4 20 mA max loop load 900 ohms at 24 VDC source or sink 2 4 to 4 0 mA 1 5 to 20 0 mA 1 0 to 20 0 mA RS 485 or RS 232 using Modbus RTU or Modbus ASCII protocol 3 SPST relays 2 concentration 1 fault 5 Aat 30 VDC U...

Page 71: ...neral fault status read only GFS 40025 Sensor faults status read only SFS Coiladdress Description SuggestedTag 00353 STS relay 1 1 energized RL1 00354 STS relay 2 1 energized RL2 00355 STS fault relay 1 energized RLF 00356 STS alarm indicator 1 1 active AL1 00357 STS alarm indicator 2 1 active AL2 00358 STS fault alarm indicator 1 active ALF 00359 STS maint indicator 1 active MNT 00360 STS inhibit...

Page 72: ...re set when the corresponding display indicator is active while RL1 RL2 and RLF are set when the corresponding relay is energized MNT IHB and LCK are set when the MAINT INHIB and LOCK flags are active VOL and DGC is set when gas concentration units and temperature are in V V and ºC respectively RFF is set when a data access function has failed Type UnsignedInteger Range 0 to 4095 12 bits Data high...

Page 73: ...n Table 2 see Maintenance Troubleshooting Product Support Type Range See Table 2 Access Read only T_T T_T T_T T_T T_Type T ype T ype T ype T ype Transmitter T ransmitter T ransmitter T ransmitter T ransmitter Type ype ype ype ype 16 bit value 4688 dec 1250 hex Lp_Pwm Pwm Drive to 4 20 Loop Control Lp_Pwm Pwm Drive to 4 20 Loop Control Lp_Pwm Pwm Drive to 4 20 Loop Control Lp_Pwm Pwm Drive to 4 20 ...

Page 74: ...ence IDR1 new value PSR parameter FSR 2 Command 4 W Command 4 W Command 4 W Command 4 W Command 4 Write 32 Bit real parameter rite 32 Bit real parameter rite 32 Bit real parameter rite 32 Bit real parameter rite 32 Bit real parameter Validates and writes 32 bit real parameters into nonvolatile parameter memory Updates the RFF bit in the STS register Sequence RDR1 new value PSR parameter FSR 4 Comm...

Page 75: ...m control This command may also be used in normal operation to manually reset latched alarm 1 or alarm 2 but only after alarm conditions have subsided This function does not affect the RFF bit in the STS register Register sequence 1 CDR1 0 4 see table below 2 PSR not used 3 FSR 11 Coil sequence for resetting one alarm only 1 CDR1B0 or CDR1B1 1 see table below 2 PSR not used 3 FSR 11 CDR1 AL1 AL2 0...

Page 76: ...0 Update real time clock date Synchronizes instrument date to host date Does not use PSR register Updates the RFF bit in the STS register Sequence CDR1 0 99 2 digit year CDR2 1 12 month CDR3 1 31 day FSR 30 Command 31 Update real time clock time Command 31 Update real time clock time Command 31 Update real time clock time Command 31 Update real time clock time Command 31 Update real time clock tim...

Page 77: ...strument may be exposed to either METHANE AIR or ETHANE AIR separately or in a mixture We are free to set the instrument to monitor any one of the gases so long as we adjust the alarm set points safely In this case we want to trigger ALARM 1 when the least sensitive gas reaches 30 LEL and ALARM 2 when the least sensitive gas reaches 50 LEL When the instrument is set to detect METHANE METHANE METHA...

Page 78: ...Solution Solution Solution Solution Set alarm 1 A1 SP to the lowest value 14 LEL Set alarm 2 A2 SP to the lowest value 19 LEL For Cross Sensitivity information information please contact Scott Instruments Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 79: ...t SC Sb SC VF SR LO Parameter Label Transmitter A1 SP A1 RP A1 Sd A1 Rd A1 OP A2 SP A2 RP A2 Sd A2 Rd A2 OP AF NL AF OP AL IP SR CU SR dC SR dP SR FS SR GN SR tU SR ZM SR Zd SR ZY LK ON LK PW LK tM MA 04 MA 20 MA F MA I MA t RP ON RP d1 RP d5 RP E1 RP E5 RP F1 RP F8 Rt MO Rt dT Rt YR Rt HR Rt MN Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 80: ...rrying case 096 2159 SS emitter bench assembly screw in 096 2193 IR emitter bulb assembly plug in 077 0161 Emitter bulb replacement tool 096 2163 Standard Mirror housing assembly 096 2243 SS Mirror housing assembly SPARE BOARDS NOTE The CPU Power Supply boards listed below cannot be replaced without recalibration of the complete unit Contact Scott Instruments Service to arrange for this calibratio...

Page 81: ...y does not cover consumable items batteries or wear items subject to periodic replacement This warranty is in lieu of all other warranties including without limiting the generality of the foregoing warranties of merchantability and fitness for a particular purpose guarantees obligations or liabilities expressed or implied by the seller or its representatives and by the statute or rule of law This ...

Page 82: ...UL EN requirements 11 Coil Addresses MODBUS 40 68 coils MODBUS 39 COMM Menu 50 Communication connections 16 mode 53 options 53 Conduit seals 9 Contacting Scott Instruments 66 Contrast adjustment See LCD Cross sensitivity 74 Current Loop Connections 17 18 Current Sinking Mode defined 12 Current Sourcing Mode defined 12 D Damping constant See sensor parameters Data Access Register MODBUS 40 Data Len...

Page 83: ...leshooting 62 LK ON 32 LK PW 32 LK tM 32 Lock See Security Indicator Lock Menu 49 Lock On Off security 32 Lock Password 32 Lower Explosive Limit 7 M MA 04 50 MA 20 50 MA F 50 MA I 50 MA t 50 MAINT indicator 57 Master Device configuring 38 Maximum loop voltage drop 11 Maximum Wire Length 11 Minimum operating voltage 11 Minimum output voltage 11 Mirror Assembly cleaning 57 replacing 56 Mirror Suppor...

Page 84: ... S SC Ad 52 SC bR 52 SC dL 52 SC Id 52 SC LO 53 SC Md 53 SC OP 53 SC P 53 SC RS 53 SC Rt 53 SC Sb 53 SC VF 53 Security indicator 8 Selecting gas type 1 Sensor Concentration Units 46 Damping Constant 47 Decimal Precision 47 Full Scale 47 Gas Number 47 Serial Number 78 temperature 47 Temperature Units 48 Type 6 Zero Date 48 Zero Month 48 Zero Year 48 Serial Communication Address 52 Baud Rate 52 Data...

Page 85: ...lds 9 Gas Density 9 Gas Sources 9 Orientation 9 Vibration 9 water 9 Transmitter output troubleshooting 62 Transmitter Security 30 Transmitter Status Register 39 Type gas See sensor parameters U UL requirements compliance 12 Upper Explosive Limit 7 USER Menu 45 V Vapor Density See Gas Density Vibration 9 W Wire size 12 Wiring 12 X no entries Y Year 2000 Compliance 78 Z Zero calibration 24 Frequency...

Page 86: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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