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D12

EX-IR

Gas Transmitter with IR Smart Sensor

Dec 2019 ( 85-0004 Rev A)

8

IR

S

ENSOR

The IR sensor consists of the IR cell mounted within an explosion-proof, stainless steel housing. The
base of the housing is threaded into the transmitter, or (optional) remote housing, and connects the cell to
the transmitter’s electronics. The housing cover threads onto the base and is fitted with a flame arrestor,
which permits gas to reach the cell while preventing ignition of any combustible atmosphere that could
develop around the transmitter. The cover may be removed to replace the cell, if the need should arise.

Figure 2 Sensor Installed

Figure 3 Sensor Housing Cover Removed

Figure 4 Sensor Housing Components

Figure 5 4 & 5 Pin IR Sensor Cells

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Содержание D12 EX-IR Series

Страница 1: ...nology Inc ATI UK Limited 6 Iron Bridge Drive Unit 1 2 Gatehead Business Park Collegeville PA 19426 Delph New Road Delph Phone 800 959 0299 Saddleworth OL3 5DE 610 917 0991 Phone 44 0 1457 873 318 Fax 610 917 0992 Fax 44 0 1457 874 468 Email sales analyticaltechnology com Email sales atiuk com Web www Analyticaltechnology com ...

Страница 2: ...iew 30 Sensor Review 31 Main Display 32 Main Reading 32 Trouble Indication 33 Main Display Timeout 33 Main Display Alarm Inhibit Method 33 POP UP DISPLAYS 33 Sensor Removed Display 33 Sensor Installed 34 MAIN MENU 34 Main Menu 34 Alarm Active Menu 35 SENSORS 36 IR Sensor Cells 36 Sensor Menus 37 Sensor Settings Menu 38 Sensor Model Menu 38 Sensor Target Gas Menu 38 Sensor Target Gas Setup Menu 39 ...

Страница 3: ...2 FIGURE 39 SENSOR ZERO CAL SETUP 43 FIGURE 40 SENSOR ZERO_CAL MENUS 43 FIGURE 41 SENSOR SPAN CAL SETUP 44 FIGURE 42 SENSOR SPAN CAL MENUS 44 FIGURE 43 SPAN TO SURROGATE GAS 44 FIGURE 44 SENSOR CALIBRATION HISTORY MENUS 45 FIGURE 45 FLAMMABLE AND TOXIC GAS ALARMS 46 FIGURE 46 PROCESS LOW ALARMS 46 FIGURE 47 HIGH ALARM OPERATION 47 FIGURE 48 LOW ALARM OPERATION 47 FIGURE 49 ALARM INDICATOR FLAGS 48...

Страница 4: ... power before servicing The transmitter must be earthed grounded for electrical safety and to limit the effects of radio frequency interference An Earth ground points is provided inside the unit Operate only in the specified temperature range Verify transmitter after installation after service events and periodically to ensure the safety and integrity of the system No User Serviceable Parts Flamep...

Страница 5: ...C 60079 0 2011 06 Corr 1 2012 01 Corr 2 2013 12 I SH 01 2013 11 I SH 02 2014 10 IEC 60079 1 7th Edition 2014 06 HAZARDOUS LOCATION INSTALLATION REQUIREMENTS ATEX IECEX Read and understand this manual prior to installation and use Use rated Ex db IIC Gb entry devices All un used ports must be closed with blanking elements rated Ex db IIC Gb All fittings are 3 4 NPT Mount transmitter with sensor hou...

Страница 6: ...us network interface The housing is explosion proof and is UL rated for use in hazardous locations see specifications The sensor may be located up to 100 from the transmitter using the optional remote junction box Figure 1 D12Ex IR Gas Transmitter OPTIONS The transmitter is available with options to meet the needs of most applications The Alarm Relay option includes a special power supply board th...

Страница 7: ...d connects the cell to the transmitter s electronics The housing cover threads onto the base and is fitted with a flame arrestor which permits gas to reach the cell while preventing ignition of any combustible atmosphere that could develop around the transmitter The cover may be removed to replace the cell if the need should arise Figure 2 Sensor Installed Figure 3 Sensor Housing Cover Removed Fig...

Страница 8: ...ase when exposed to higher concentrations of the target gas By default the transmitter will alarm when the gas level rises to 20 and 50 percent of the LEL1 The HC sensor may also be used for monitoring high levels of methane in locations where it is normally expected This is accomplished by selecting the Methane HR setting which should only be used for monitoring methane at levels above its UEL2 1...

Страница 9: ...50 20 100 50 20 10 1 2 54 1 690 Ethylene 2 70 36 00 20 100 50 20 10 0 98 43 2 837 Ethylene oxide 3 00 100 00 20 100 50 20 10 1 5 161 0 845 Hexane 1 20 7 50 20 100 50 20 10 1 3 68 0 872 MEK 1 40 11 40 20 100 50 20 10 1 1 34 1 870 Methanol 6 00 36 00 20 100 50 20 10 1 01 123 2 220 n Butane 1 60 8 40 20 100 50 20 10 2 11 75 0 970 Pentane 1 50 7 80 20 100 50 20 10 1 8 72 0 950 Propanol 2 00 12 70 20 1...

Страница 10: ... Reset Delay Reset clear method Low 10 LEL 0s 0s Automatic High Low or None 15 to 60 LEL 0 10s 0 7200s when Reset Auto Automatic or Manual Methane HR The Methane HR setting should be selected only for monitoring methane at levels above the UEL Upper Explosive Limit which is defined as the highest VOL concentration of a gas or a vapor in air capable of producing a flash of fire in presence of an ig...

Страница 11: ...explosive level A leak from any of the others will produce a false alarm but safety should be the primary goal HHC High Range HydrocarbonSensor The HHC cell is similar to the HC sensor s Methane HR setting It is designed to monitor high concentrations of other hydrocarbon gases in locations where they are likely to exist normally Extreme care must be taken in these locations since any leak of air ...

Страница 12: ...1 VOL 1 53 CO2 05 1000 5000 2000 PPM 5000 2000 200 PPM 1 53 Table 9 CO2 L Sensor Alarm Settings Alarm Name Setting Default Value Setting Limits Alarm Type Set Level Reset Level Set Delay Reset Delay Reset clear method High see Table 8 0s Not applicable Manual High Low None 15 to 120 Range 0 10s 0 7200s when Reset Auto Automatic or Manual Warning Type Set Level Reset Level Set Delay Reset Delay Res...

Страница 13: ...Selections Parenthesis indicate default value CO2 Range Range Alarms A W C CO2 50 10 50 VOL Disabled CO2 100 50 100 VOL Disabled Table 11 CO2 L Sensor Alarm Settings Alarm Name Setting Default Value8 Setting Limits All Type Set Level Reset Level Set Delay Reset Delay Reset clear method None 50 VOL 0s 0s Automatic High Low None 15 to 120 Range 0 10s 0 7200s when Reset Auto Automatic or Manual SYMBO...

Страница 14: ...ng Serial Interface Options HART FSK 1200 baud modem interface registered DLL file or Modbus with selectable RS232 485 9600 19 2k and higher Power Class 2 power supply as follows Regulated 12 30 VDC 250 mA max 3 wire connections Alarm Relay Option Three SPDT relays Contacts 5A 230 VAC resistive 5A 30 VDC resistive Coils programmable as normally energized failsafe or normally de energized Display B...

Страница 15: ...Seal conduit entries Follow national state and local electrical codes Gas Density Considerations Most combustible gases have a relative density to air greater than 1 When targeting these gases in a confined space locate the sensor close the floor using the remote sensor option If the gas vapor has a density near that of air locate the sensor approximately 5 feet above the floor For methane locate ...

Страница 16: ...ely the transmitter may be supported by rigid conduit For safety the housing should be bonded to earth ground using the grounding screw shown in Figures 2 and 3 which also details the enclosure dimensions mounting holes and conduit entries The mounting method must be capable of supporting 20 pounds For mounting to drywall inch molly bolts or equivalent are required Figure 6 Overall dimensions ...

Страница 17: ...D12EX IR Gas Transmitter with IR Smart Sensor Dec 2019 85 0004 Rev A 14 Remote Junction Box Figure 6b Remote Sensor dimensions ...

Страница 18: ...er housing by hollow hex standoffs into which the other two boards upper stack plug into To remove the upper stack remove the housing cover and grab the outer edges of the metal faceplate just above the display board Gently rock the stack from side to side while pulling up When accessible disconnect the ribbon cable and sensor terminal block and separate the stack Figure 7 Electronic board stack P...

Страница 19: ...TY INFORMATION Battery Replacement Any replacement CR2032 battery must be identical in size type and manufacturer as the OEM original Contact the factory for an exact replacement When replacing the battery make certain the side faces up and is visible through the cover after installation ...

Страница 20: ...mitter requires a maximum of 250 mA with all relays active Power supplies operating multiple units should be sized for twice the calculated current requirement to allow for inrush current during startup The transmitter housing has limited space for wire Use the smallest gauge wire available that is compatible with electrical code and current requirements When powering a group of transmitters from ...

Страница 21: ...on Modbus RS232 RS232 Use to connect a single transmitter to a Modbus master s RS232 port Modbus RS485 RS485 Unterminated Use on multiple transmitters on a multi drop bus unless termination is required at the end of the bus Transmitters are connected without adding bias or termination Modbus RS485 RS485 Use on the transmitter at the end of a long RS485 multi drop bus that requires termination The ...

Страница 22: ... to 100 using a 4 conductor cable The sensor housing is installed into the D12Ex IR junction box from which the cable is routed back to the transmitter and fed through the conduit entry at the base Figure 10 details these connections Figure 10 Remote Sensor Connections Notes 1 Interconnecting cable 31 0185 must be run in XP Flameproof conduit to maintain Hazardous Area Approvals ...

Страница 23: ... connection Size the power supply and wiring for the number of transmitters and the power required by each see S on page 11 Voltage at the transmitter terminals must not drop below 12v under full load Figure 11 Example of power only no 4 20mA connection SUPPLY 24 D12 TB1 8 V 12 30 VDC 7 Gnd 6 mA 5 mA 12 30 VDC 4 Remote Reset 3 Signal Com 2 RS232 Rx RS485 B 1 RS232 Tx RS485 A D12 TB1 8 7 12v Min D1...

Страница 24: ...D12 Current Sinking Figure 12 Example 4 20mA 3 wire connection Multichannel gas receiver or PLC with integral 24v supply and load resistors connected to high side of supply not typical Channels are typically not isolated from supply G nd SUPPLY SIG SIG not all channels shown 250 Ohm Load Resistors typical Typical multichannel gas receiver or PLC with integral 24v supply and load resistors connecte...

Страница 25: ...plies the transmitter s relay drivers LCD backlight and communication interface It does not source 4 20mA current loop Therefore this connection does not strictly conform to the ANSI ISA definition for a Type IV 4 wire 4 20mA connection Powering the transmitter from a single supply requires a 3 wire connection see Figure 12 on page 21 Figure 13 Example 4 20mA 4 Wire Dual Supply Connection Typical ...

Страница 26: ...nnection to an ATI A17 B14 receiver system This type of connection enables operation of the alarm relays LCD backlighting and RS232 RS485 communication interface on transmitters with the Alarm Relay option Figure 14 Example 3 wire to ATI A17 B14 receiver D12 TB1 8 V 12 30 VDC 7 Gnd 6 mA 5 mA 12 30 VDC 4 Remote Reset 3 Signal Com 2 RS232 Rx RS485 B 1 RS23 Tx RS485 A ...

Страница 27: ...power supply and wiring for a maximum loop current of 25mA Voltage at the transmitter s terminals must not drop below 12v Note that the transmitter s polling address must be set to 0 to permit the current loop to report the gas concentration Digital Communication Only Digital Communication with Analog Signaling Figure 15 Example HART 3 wire Point to Point HART SCADA DCS Optional HART Communicator ...

Страница 28: ...esistance to a lower value see Specifications The position of communication jumper has Figure 9 on page 18 has no effect on HART communication Size the power supply and wiring according to the power required for each transmitter Voltage at the transmitter s terminals must not drop below 12v Figure 16 Example HART Multidrop 3 Wire 3 Wire Transmitter 4mA HART SCADA DCS 250 Ohms HART FSK Modem Option...

Страница 29: ...isconnected below but may be operated concurrently if connected to a 4 20mA receiver using a 3 wire or 4 wire connection see Figure 12 and Figure 13 on pages 21 and 22 Figure 17 Example RS485 Multi drop connections Supply 24 VDC DCS SCADA or Computer System Modbus master Sig Com B A Not at End of Bus Unterminated Install the transmitter s communication jumper block in the RS485 Unterminated positi...

Страница 30: ...nd placement of the jumper Note 4 20mA signaling is shown disconnected below but may be connected to a 4 20mA receiver using a 3 wire or 4 wire connection see Figure 12 and Figure 13 on pages 21 and 22 Figure 18 Example RS232 COM Port Connection DCS SCADA or Computer System Modbus master or terminal program DB9 Female to PC COM Port 5 3 2 D12 TB1 8 7 3 Sig Com 2 Rx 1 Tx Supply 24 VDC Install the t...

Страница 31: ...h Keys The transmitter is supplied with a small screwdriver that features a powerful magnet embedded in the handle The magnet is capable of activating the keys up to above the glass window Placing the magnet squarely over a key and then quickly removing it is referred to as touching the key Note that it is not necessary to contact the glass window Figure 19 Operator interface panel Enter Key Magne...

Страница 32: ... Settings A setting is selected for editing by moving the cursor to the left of the label and touching the Enter key which causes the up down edit cursor to appear in front of the value Touching the up key causes the value to increase or present the next list item while touching the down key causes the value to decrease or present the previous list item Once the setting has been adjusted to the de...

Страница 33: ...play and blinks while active Skips to the next display Skips to the Main Display ATi Gas Xmtr D12ExIR rev s n Site 1 Hold Next Skip Version HW 1 00 SW 1 20 Lang English Clock Monday 01 21 19 08 00 Model info Site name Version and language settings Transmitter status Transmitter date and time Communications Modbus RS485 9600 N 8 1 Status Xmtr Normal Figure 22 Sensor Review Display Start Startup Rev...

Страница 34: ...0 Methane Range 20 LEL To 100 LEL 1 0 Methane Range 20 LEL To 100 LEL Verify Sensor Sensor Trouble Sensor Removed Cannot Install Programmed range units and gas name Caution alarm level Warning alarm level Alarm level Gas number name units and range limits Data logger status and usage Data Log Status Logging is ON 1 days of 11 Clear Datalog The data log is specific to the sensor gas type and range ...

Страница 35: ...gative drift 9 The 4 20mA may not match the reading when the status indicator is visible on the Main Display or when the output is in a physical limit 10 Throughout this manual ghosted status icons are used to indicate status that may be present or not present Main Display LEL Methane A MENU W C 0 Over range Under range Gas concentration at or above 100 range Gas concentration at or below 20 range...

Страница 36: ...r 15 minutes default value If alarm inhibit was on it is turned off and in addition the sensor warm up period is expired immediately see status indicators above POP UP DISPLAYS Sensor Removed Display Removing the gas sensor causes the Sensor Removed Display to appear below which displays a count down timer During this time alarms are inhibited and the current loop output is fixed at 4 0mA 17 4mA f...

Страница 37: ...d Auto test are not permitted MAIN MENU Main Menu The main menu provides direct access to the sensor calibration methods data logger graph and transmitter settings Figure 26 Main Menu 11 The transmitter sets the new sensor s range blanking damping and alarms to match the previously installed sensor which might cause confusion when transferring sensors from field transmitters to shop transmitters f...

Страница 38: ... output serial communications and relay operation see I O on page 64 Panel Configure the display contrast and backlighting and panel security see Panel on page 75 System Set the real time clock site name and view version information see System on page 79 Figure 28 Setup Menu Item Select to Alarm Status View the Alarm Status Menu and clear manual reset alarms This item appears only if a gas alarm i...

Страница 39: ...such as Methane Its output will decrease in amplitude when the gas is in the path of the lamp s radiation The reference element has an optical filter whose pass band is outside of the active element s filter and is unaffected by the presence of the target gas It is used primarily to compensate for slight variations of lamp intensity humidity and other environmental factors Figure 29 Signal outputs...

Страница 40: ...37 Figure 30 Absorption spectrum and sensor response Sensor Menus Figure 31 Sensor Menu Item Select to Settings Configure the sensor range damping and blanking see Sensor Settings below Calibration Maintain the accuracy of the gas sensor see Sensor Calibration on page 41 ...

Страница 41: ...Figure 33 Sensor Model Menu Sensor Target Gas Menu Item Select to Line 1 Change the target gas Note this will clear any logged data Units Units of measurement of the target gas read only Setup View the target gas setup menu Figure 34 Sensor target gas menu Item Select to Model View the specific sensor model name and change any associated settings Gas Change and configure the target gas Range Menu ...

Страница 42: ...Sets the gas concentration value corresponding to the 20mA output value Changing this value also changes the blanking value below which is maintained as a fraction of the range Setting limits vary among sensors Changing this setting invalidates data stored in the data logger see below Blank Blanking Force the main reading to zero whenever the gas concentration is below this setting The limits vary...

Страница 43: ...action of the sensor range If data logging is turned on as indicated on the Main Display changing the Range setting causes a warning message to appear prior to saving the value Select Save to save the new Range setting or Abort to leave it unchanged Figure 37 Data log Warning Message WARNING Changing this pa Save Abort Data log Warning Page Changing this parameter will clear the datalog ...

Страница 44: ...any hydrocarbon and CO2 gases When target gas readings are scaled from propane using a k factor propane may be selected as a surrogate gas Calibration Kits Calibration kits containing zero and span bottle gas sources are available from ATI for many toxic gases Contact ATI or your local ATI representative if you have questions about calibration gas kits or gas sources Indications During Calibration...

Страница 45: ...also appears in the Main Menu see Figure 26 Main Menu Span Calibrate the gas sensor sensitivity below Note this item also appears in the Main Menu see Figure 26 Main Menu Temp Adjust the gas sensor s temperature reading offset Note this reading may be slightly higher than ambient temperature due to self heating Contact the factory before adjusting History View the transmitter calibration records T...

Страница 46: ...s regulator 2 Do not open the gas valve until instructed below Select the Zero method from the Sensor Calibration menu as shown in Figure 4014 This will clear and inhibit alarms at the transmitter and hold the current loop output at 4mA 17 4mA for Oxygen sensors for up to 30 minutes of no key activity Figure 39 Sensor Zero Cal Setup Figure 40 Sensor Zero_Cal Menus Open the regulator to flow gas to...

Страница 47: ...form the Zero calibration prior to the Span calibration Figure 41 Sensor Span Cal Setup Select the Span method from the Sensor Calibration menu as shown in Figure 42 15 This will clear and inhibit alarms at the transmitter and hold the current loop output at 4mAfor up to 30 minutes of no key activity Figure 42 Sensor Span Cal Menus If a target gas like ethane uses a propane k factor you will have ...

Страница 48: ...sor memory each time a zero or span calibration is performed Enough memory is reserved for 63 zero calibrations and 63 span calibrations Zero and span calibration records are accessed on the Sensor Calibration History page Figure 44 Sensor Calibration History Menus Zero calibration records are composed of an index field ie record no total records date concentration reading and gas name The reading...

Страница 49: ... High alarm Caution Negative drift alarm o Normally set to activate on negative drift of 10 FSR full scale range Trouble alarm occurs if reading drifts to 20 FSR cannot be disabled Figure 45 Flammable and Toxic Gas Alarms Process Low Alarms Low alarms can be used to monitor gas levels that might decrease as the result of a leak or process malfunction An example of this might be when monitoring nor...

Страница 50: ...lustrates the operation of a low falling gas level alarm that might be used for monitoring gases above their UEL Figure 48 Low Alarm Operation Rdg at set level Alarm becomes active Set Level Res Level Set Delay Res_Delay Rdg at reset level Alarm becomes inactive S e c o n d s C O N C E N T R A T I O N Rdg at set level Alarm becomes active Set Level Res Level Set Delay Res Delay Rdg at reset level ...

Страница 51: ... word Active if the alarm is currently active Selecting an active alarm displays the specific Alarm Reset Menu below Figure 51 Alarm Status Menu Alarm A Warning W Caution C Trouble Item Select to Alarm Status View the Alarm Status Menu and clear manual reset alarms This item appears only if a gas alarm is active see Figure 51 Alarm Status Menu on page 48 View Trouble View the Trouble Status Displa...

Страница 52: ...arm Manually reset the alarm selected on the Alarm Status Menu above Reset is performed only if the alarm conditions have subsided and the alarm is programmed for manual reset see Figure 54 Alarm Setting on page 50 Reset All Manually reset all manual reset alarms once alarm conditions have subsided Inhibit Alarms Temporarily resets and inhibits gas level and Trouble alarms default is 15 minutes se...

Страница 53: ...ts for the Set Level are maintained in the gas sensor memory Res Level Set the gas concentration level at which the alarm becomes inactive The alarm then becomes inactive after expiration of the Res Delay period and only if the Reset setting is programmed as Auto see below The limits for the Res Level depend on the alarm Type setting Type High Upper limit Set Level Lower limit lowest Set Level Typ...

Страница 54: ... alarm in its current state If the alarm is active it will remain active If the alarm is inactive it will be inhibited from becoming active until after Trouble is cleared Set activates the alarm immediately the Set Delay period is ignored This feature permits the alarm to signal both concentration and trouble conditions Reset deactivates the alarm immediately the Res Delay period is ignored Set De...

Страница 55: ...rm up usually 5 minutes Manual activation from Main Display using Esc key Duration value in Alarm Inhibit Menu Manual activation by Start in Alarm Inhibit menu Duration value in Alarm Inhibit Menu The Main Display indicates when alarms are inhibited see Status Indicators in Figure 23 on page 32 and the 4 20mA output is fixed at the Inhibit mA see below The most convenient method for manually start...

Страница 56: ... Figure 56 Alarm Test Menu Display Instructions 1 Select Alarm 2 Scroll up or down to specify which alarms to test C W A T and save the selection by touching the Enter key 3 C Caution W Warning A Alarm T Trouble 4 Select Start to begin the test 5 Touch any key to end the test The test stops automatically after 5 minutes Test Warning this wi Alarm Start Alarms Test Test Warning this wi Alarm A Star...

Страница 57: ...n of each problem in succession on line 3 Some problems listed in Table 16 on page 55 are cleared after touching Esc to return to the previous display Figure 58 Trouble Status Display Corrective Actions Prior to opening the transmitter housing Declassify the hazardous area if the transmitter is located in a hazardous location Check connections and wiring outside of the transmitter for shorts or op...

Страница 58: ...re sensor configuration settings are outside of their expected range 4 Generator NVM The generator s non volatile memory is corrupt 5 6 8 Problem Corrective Action Transmitter won t start 1 At power on transmitters powered in 3 wire or 4 wire mode demand 2 times the normal amount of supply current If the supply is not sized properly transmitters may not power on or may produce a fault in the exter...

Страница 59: ...ter NVM2 Fact CRC An error has been detected in the transmitter s secondary non volatile memory Not applicable on this transmitter Auto test Fail Without Gen Config Err Auto test failed after three attempts and the Auto test Trouble is set to YES 5 4 6 3W Pwr Required Relays or RS232 485 communication is enabled but transmitter does not have 3 wire power applied If relays are not being used disabl...

Страница 60: ... 2 3 6 7 8 Sensor CPU Trble The sensor is reporting a stack overflow or other internal error occurred in its CPU 2 3 6 7 8 Sensor H W Error The sensor is reporting a non volatile memory or other hardware component has faulted 2 3 6 7 8 Sensor NVM1 CRC The sensor is reporting an error has been detected in the user or factory settings stored in its primary non volatile memory 2 3 6 7 8 Sensor NVM2 C...

Страница 61: ...ing is recorded as an instantaneous value and is not averaged or filtered in any way When the data log memory is filled new records overwrite older ones Data Log Menu The Data Log Menu permits access to configuration review and print menus Figure 59 Data Log Menu Item Select to Setup Configure the data log settings see Data Log Setup Menu below View View the logged data as a graph or single text r...

Страница 62: ... same time on different days Figure 61 Data Log View Menu Samples reported are assumed to be in units of PPM PPB or LEL as determined by the gas concentration units appearing on the Main Display Sample values outside of printing limits are forced to the following values Samples Forced to Less than 999 999 Greater than 9999 9999 Readings in both views are displayed in the same units and decimal pre...

Страница 63: ... right by touching the up and down keys Note the gas reading on the lower line is in the same units that appear in the Main Display and Sensor menus Figure 62 Data Log Graph View New data is not plotted while viewing the page Touching the Enter key presents the Data Log Menu shown below touching the Esc key returns to the previous menu Data Log Graph View Menu The Data Log Graph View Menu is appea...

Страница 64: ... to the first gas reading on the line following the time Readings appearing in subsequent columns to the right were recorded at the programmed sampling interval after the first reading The format of the gas readings appear as described in Data Log View Menu on page 59 A report example is shown below Figure 65 Data Log Print Example Item Select to Date Scroll to a specific sample date Time Scroll t...

Страница 65: ...rom the Data Log Print Menu above and is used to control the appearance of the report and the interaction of the transmitter with the device Figure 67 Data Log Print Format Menu The transmitter adds a CR ASCII 13 or CR LF ASCII 13 and 10 at the end of each line If the lines of the report appear to be printing over each other choose the CR LF option If the lines appear to be double spaced choose th...

Страница 66: ...t miss the XOFF character resulting in a buffer overflow at the receiving device A receiving device will send the XOFF character when its buffer is nearly full Some older dot matrix printers will send an XOFF because they have a small receive buffers and cannot process characters while the head is returning to start a new line By comparison most computers have comparatively large buffers and can e...

Страница 67: ...g alarm inhibit and Auto test the 4 20mA output is fixed at 4 0mA 17 4mA for oxygen sensors to prevent false alarms at the receiver The output is forced to 3 6mA to signal a Trouble alarm to the receiver These are the default values which may be changed in the 4 20mA Menu below 19 Auto test is not available on the D12Ex IR transmitter Item Select to 4 20mA Configure and adjust the 4 20mA output CO...

Страница 68: ...receiver make certain the reading is not limited to 20mA by hardware or programming If so adjust the reading first to 19 5mA then slowly increase it to 20 0mA Item Select to Adjust 4mA Adjust the 4mA analog output level Adjust 20mA Adjust the 20mA analog output level Force Force the 4 20mA output to a fixed level between 3 5 and 22 0 mA Displays the real time value when not selected Item Select to...

Страница 69: ...gure the connection settings only selection when Protocol is None Print Print the data log appears only when the Protocol is ASCII see Data Log Print Menu on page 62 Note that the transmitter must have an RS232 or RS485 interface HART Configure the HART protocol settings appears only when Protocol is HART Note that the transmitter must have a HART FSK modem interface and be ordered with the HART F...

Страница 70: ...ll control during transmit and receive functions RS232 available for ASCII or Modbus not for HART RS485 available for ASCII or Modbus not for HART FSK HART only Baud Rate Change the baud rate of the transmitter s UART May be set to 300 600 1200 2400 4800 9600 14 4k 19 2k 28 8k 38 4k 57 6k 115 2k 230 4k and 460 8k The value is fixed at 1200 for HART FSK and defaults to 9600 for Modbus and ASCII Set...

Страница 71: ...itter HART FSK devices communicate digitally by imposing a 1mA pk pk waveform on the 4 20mA output using a technique called Frequency Shift Keying FSK interprets binary 0 as one cycle at 2200 Hz and binary 1 as one cycle at 1200 Hz Since each cycle increases the output by mA and then decreases it by mA it FSK does not affect the average analog level This allows a HART FSK device to use both analog...

Страница 72: ... appears on a label attached to the transmitter Changing this setting is not recommended Item Description Loop This setting specifies the analog operating mode of the 4 20mA output When the HART polling address is 0 the value is Not Fixed and analog signaling functions normally When the address is set to 1 or higher the value is Fixed and the analog output is fixed at 4mA The ability to alter this...

Страница 73: ...nd RS232 restricts communication to a master and a single slave Note that the 4 20mA output is fully functional even when using the transmitter s Modbus interface Modbus Menu The Modbus Menu appears by selecting Modbus from the COM Menu page 66 Figure 79 Modbus Menu Item Description Poll Addr This setting controls the address to which the transmitter responds to queries from the host 1 247 default...

Страница 74: ...t to a master using an RS485 multi drop connection Figure 17 on page 26 Connect to a master using an RS232 connection Figure 18 on page 27 Select Modbus protocol and configure the communication settings COM Setup Menu on page 67 Modbus register map The transmitter s Modbus interface is robust and maintained in a separate document Download or request a copy of D12 F12 Series Modbus Interface Manual...

Страница 75: ...y be assigned to one of the four alarms and operate as normally energized Norm 1 also called fail safe or normally de energized Norm 0 Selecting normally energized 1 allows the relay to indicate an alarm or a power failure This selection is made in the Relay Setup Menu on page 74 The table below details the contact states for the two selections in the no alarm alarm and power fail conditions Table...

Страница 76: ...NG CAUTION Remote Reset TROUBLE Gas Concentration Alarm Settings Norm1 def 1 fail safe Norm2 def 0 Norm3 def 0 Test W Test T S R S R S R RDly W SDlyW Test A RDlyA SDlyA Test C RDlyC SDlyC Inhibit Type A Set Level A Res Level W W Type W Set Level W Res Level C Type C Set Level C RL1 RL2 RL3 Alarm Assignment Trouble Warning Alarm Timers inv inv inv Relay Settings default setting ...

Страница 77: ...etup from the Relays Menu above Figure 83 Relay Setup Menu Item Select to Active Permanently enable or disable operation of the relays Setup Assign each relay to an alarm and select the normal state of its coil Item Select to Coil Change the alarm assigned to the relay coil Selections are ALARM WARNING CAUTION or TROUBLE Norm Change the normal no alarm state of the coil to 0 normally de energized ...

Страница 78: ...light comes on Note backlight operates only when powered in 3 or 4 wire mode Security Lock or unlock the transmitter panel or change the password Item Select to Contrast Adjust the LCD contrast Scroll the setting up to increase contrast darker text or down to decrease it lighter text The default value is 50 and is adjustable between 0 and 100 Light Control when the LCD backlight is turned on and o...

Страница 79: ...ated on the Main Display as shown on page 32 Figure 86 Security Menu Activating Security The following display sequence appears when attempting to activate panel security Figure 87 Activating Security Item Select to Active Activate or deactivate panel security You must enter the panel code in either case See Figure 87 Activating Security and Figure 88 Deactivating Security below Change Code Change...

Страница 80: ... displayed on line 4 but is fixed to prevent relocking while viewing this display You may select Relock to return to the Auto Relock Menu to extend the period if necessary Security Code Fail Enter code to Security Code Entry Security Code 0 Enter code to Security Code Entry Security Code Pass Enter code to Security Code Entry Security Ac tive Yes Change Code Panel Security Security Ac tive No Chan...

Страница 81: ...ecurity Code Security Code Fail Enter code to Security Change Code Security Old Code 0 Security Change Code Security Old Code Pass Security Change Code Security Active No Change Code Panel Security Security New Code 0 Security Change Code Security Repeat 0 Security Change Code Security Repeat Pass Security Change Code Security Active No Change Code Panel Security Security Repeat Fail Security Chan...

Страница 82: ...ay Thursday Friday Saturday and Sunday Line 2 Configure the month date and year in the format specified by the Format setting below Built in support for leap year Note you may select and adjust the year separately Line 3 Change the date format MM DD YYYY example 12 14 2018 DD MM YYYY example 14 12 2018 Line 4 Change the time of day 24 hour format 00 00 to 23 59 Item Select to Restart Restart the t...

Страница 83: ...lists the major components of the transmitter as menu entries Figure 93 Version Menu Item Select to Xmtr View the transmitter version information Sensor View the sensor version information Abbreviations p n s n rev Hw Sw Part number Serial number Revision number Hardware revision revision level of the electronics Software revision revision level of the software ...

Страница 84: ...udes a high range setting for monitoring methane above its UEL All except Methane HR Methane HR 00 1905 0 100 LEL 0 100 VOL 0 20 LEL 0 10 VOL 0 100 LEL 0 100 VOL HHC High range hydrocarbon sensor designed for 0 100 VOL concentrations of Propane Butane LPG for monitoring levels above the UEL 00 1906 0 100 VOL 0 10 VOL 0 100 VOL CO2 L Carbon dioxide sensor designed for lower ranges 00 1904 0 2 VOL 0...

Страница 85: ...g Serial Connection A data log report may be sent to a serial printer or a computer over an RS232 or RS485 connection Capturing with HyperTerminal Start HyperTerminal by clicking on Start Programs Accessories Communications and HyperTerminal and then double clicking Hypertrm exe When the Connection Description dialog box appears type in Connect To D12 If you wish choose an icon by sliding the hori...

Страница 86: ... the COM1 Properties dialog box appears configure the Port Settings as shown below and click OK Click View and then click Font and configure the font settings as shown below This will insure that the data is presented in the terminal window without wrapping from line to line You may need to experiment with these settings to obtain an acceptable presentation in the terminal window Click OK when fin...

Страница 87: ...tomatically appear You may later place this file on your desktop and simply click it to get this point automatically in the future In order to chart the report data it must be captured in a file and given a name Click Transfer on the menu bar click Capture Text and then click the Browse button Navigate to a folder and type the name of a file to store the report in or choose an existing file to app...

Страница 88: ...014 00 10 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 07 13 2014 00 20 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 07 13 2014 00 30 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 07 13 2014 00 40 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 07 13 2014 00 50 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 07 13 2014 00 60 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 0 00 07 13...

Страница 89: ...pen Navigate to the data log report file you wish to chart and click Open Excel will recognize the report as a text file and offer some configuration options When the Text Import Wizard Step 1 of 3 appears configure the settings as shown below and click Next Note that the values in your report file will be different than those shown below When the Text Import Wizard Step 2 of 3 appears configure t...

Страница 90: ...eadsheet resembling the format shown below Of course the dates times and values will be different To chart the report select one full day of data by dragging the mouse cursor over the region to be charted Notice that this region begins in the time of day column and extends across each of the sample columns ...

Страница 91: ...ec 2019 85 0004 Rev A 88 After selecting the region click Insert and then Chart or click the Chart icon directly from the toolbar When the Chart Type dialog appears click on Column and click Next When the Chart Source Data dialog appears click Next ...

Страница 92: ...og appears click off the Show legend option and click Next When the Chart Location dialog appears click the As new sheet radio button and enter the name of a new sheet to store the chart in Alternately you may click the As object in radio button to place the chart onto the sheet you have just created ...

Страница 93: ...new sheet and the old sheet by clicking the sheet tabs that appear just below the chart display If you have previously clicked the As object in radio button the chart will appear on the existing sheet Click File then Save to store the chart Once the chart has been created you may wish to rescale it title it and print it These features are detailed in Microsoft Excel Help and are beyond the scope o...

Страница 94: ...posure to excessive gas concentrations Should inspection indicate that sensors have been expended rather than failed prematurely the warranty shall not apply The Manufacturer assumes no liability for consequential damages of any kind and the buyer by acceptance of this equipment will assume all liability for the consequences of its use or misuse by the Customer his employees or others A defect wit...

Страница 95: ...ODUCTS NH3 Ammonia CO Carbon Monoxide H2 Hydrogen NO Nitric Oxide O2 Oxygen CO Cl2 Phosgene Br2 Bromine Cl2 Chlorine ClO2 Chlorine Dioxide F2 Fluorine I2 Iodine HX Acid Gases C2H4O Ethylene Oxide C2H6O Alcohol O3 Ozone CH4 Methane Combustible Gas H2O2 Hydrogen Peroxide HCl Hydrogen Chloride HCN Hydrogen Cyanide HF Hydrogen Fluoride H2S Hydrogen Sulfide NO2 Nitrogen Dioxide NOx Oxides of Nitrogen S...

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