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ATI

Model F12/D Gas Transmitter

Part 4

– Operation

65

O&M Manual (Rev-H)

4-20mA Menu

During 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.

Figure 85. 4-20mA Menu

4-20mA Adjust Menu

These methods permit adjustment of the 4-20mA output and provide a way to force it to a fixed value to
test receiver alarms. They do not affect the computed gas concentration reading.

Figure 86. 4-20mA control page

4-20mA Adjustment

Loop adjustment consists of adjusting the 4 and 20 mA levels (order does not matter) by scrolling the
corresponding DAC value. This may be accomplished by reading a calibrated current meter connected in
series with the transmitter’s 4-20mA output, reading a calibrated volt meter across a precision load
resistor in series with the transmitter’s 4-20mA output, or reading the display of a calibrated, current loop
receiver

9

.

Adjust 4mA Menu

Figure 87. Adjust 4mA Menu

9

When using a current loop 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 …

Autotst mA

Set the fixed output level during Auto-test (4.0 to 22.0 mA).
This is normally 4.0mA to prevent alarms at the receiver.

Inhibit mA

Set the output level to indicate alarms are not enabled (4 to 22
mA). This is normally 4.0mA to prevent alarms at the receiver.

Trouble mA

Set the output level to indicate the Trouble alarm (3.5 to 3.8
mA). Note: 3.5mA not allowed on 2-wire 4-20mA connection.

Adjust

Adjust the 4mA and 20mA levels, or force the output for testing.

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 …

DAC Count

Scroll the DAC (digital-to-analog converter) count up to increase
or down to decrease the analog output to 4.00mA.
Note
The displayed value is “as left” by the previous adjustment.

►Autotst mA= 4.0
Inhibit mA= 4.0
Trouble mA= 3.6
Adjust

…I/O>4-20mA

►Adjust 4mA
Adjust 20mA
Force= 4.0mA

…4-20mA >Adjust

Adjust 4mA

Monitor the …
►DAC Count=412

…4-20mA>Adjust>Adjust 4mA

Warning:

Disable current loop receiver alarms before proceeding.

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Содержание F12/D

Страница 1: ...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 0...

Страница 2: ...Menus and Settings 30 Moving the Cursor and Selecting 30 Editing Settings 30 4 2 STARTUP 31 Transmitter Review 31 Sensor Review 32 Generator Review 33 4 3 MAIN DISPLAY 34 Main Reading 34 Trouble Indi...

Страница 3: ...ETUP MENU 37 FIGURE 43 SENSOR MENU 38 FIGURE 44 SENSOR SETTINGS MENU 38 FIGURE 45 SENSOR MODEL MENU 38 FIGURE 46 SENSOR RANGE MENU 39 FIGURE 47 DATA LOG WARNING MESSAGE 39 FIGURE 48 SENSOR CALIBRATION...

Страница 4: ...FIGURE 100 DISPLAY MENU 73 FIGURE 101 SECURITY MENU 73 FIGURE 102 ACTIVATING SECURITY 74 FIGURE 103 DEACTIVATING SECURITY 75 FIGURE 104 CHANGING THE SECURITY CODE 76 FIGURE 105 SYSTEM MENU 77 FIGURE...

Страница 5: ...he transmitter must be earthed grounded for electrical safety and to limit the effects of radio frequency interference An Earth ground point is provided inside the unit To maintain EMI ratings use shi...

Страница 6: ...rted into a live transmitter Because all calibration data is stored in the memory sensor modules may be calibrated using a spare transmitter in the shop and subsequently installed into a field transmi...

Страница 7: ...PPM NOx 00 1181 0 200 PPM 0 50 PPM 0 500 PPM Oxygen 00 1014 0 25 0 10 0 25 Phosgene 00 1015 0 1 PPM 0 1 PPM 0 5 PPM Phosgene 00 1016 0 100 PPM 0 5 PPM 0 100 PPM OXIDANT GASES Bromine 00 1000 0 1 PPM...

Страница 8: ...PPM 0 10 PPM 0 200 PPM HYDRIDE GASES Arsine 00 1024 0 1000 PPB 0 500 PPB 0 2000 PPB Arsine 00 1025 0 10 PPM 0 10 PPM 0 200 PPM Diborane 00 1026 0 1000 PPB 0 500 PPB 0 2000 PPB Diborane 00 1027 0 10 PP...

Страница 9: ...naling over the 4 20mA current loop Optional MODBUS over RS232 485 Power RequirementsDC Model 12 30 VDC 100 mA max AC Model 120 VAC 15 50 60 Hz 0 25 A max 124 VAC 15 50 60 Hz 0 25 A max Enclosure IP 6...

Страница 10: ...front cover protrudes This option is available for Remote AC powered units ONLY Choose a location so the transmitter display is readily visible and the panel buttons and sensor are accessible for cali...

Страница 11: ...screws is supplied with the transmitter The transmitter is attached to the bracket using four flat head screws and the bracket is attached to a wall or pipe by way of the four slots in each corner Th...

Страница 12: ...ATI Model F12 D Gas Transmitter Part 2 Mechanical Installation 11 O M Manual Rev H Figure 5 Wall mounting diagram Figure 6 Pipe mounting diagram...

Страница 13: ...sensor holder that slides into the hollow duct mount adapter See Figure 9 The adapter has 1 1 2 MNPT threads on the insertion end for securing it to the duct or pipe and a barb fitting for supplying...

Страница 14: ...ATI Model F12 D Gas Transmitter Part 2 Mechanical Installation 13 O M Manual Rev H Figure 8 Duct Mount Sensor Exploded View Figure 9 Duct mount assembly...

Страница 15: ...groove on the side of the generator aligns the connector for a perfect fit Once installed apply a little pressure to the top of the generator and tighten the set screw using the ATI screwdriver on th...

Страница 16: ...smallest gauge wire available that is compatible with electrical code and current requirements AC or DC 12 30V Powered Transmitter w o Autotest Generator AC Mains or 12 30V Autotest Generator AC Mains...

Страница 17: ...Housing wires and optional Autotest Generator wires The table below lists connections for the Sensor Housing and Autotest Generator wires Conductor colors TB 3 Position Sensor Wires Generator Wires 1...

Страница 18: ...wered models with the heated sensor housing and or MODBUS communications option require an additional 24 VDC supply to power them This auxiliary power is connected to terminals 1 and 2 Note Connection...

Страница 19: ...heated Sensor Housing connect to terminals 5 and 6 of the AC or DC Power Supply PCB Figure 15 Heated Sensor Wiring Diagram Conductor Colors T B Pos Sensor Wires Generator Wires 1 WHITE 2 YELLOW 3 BLUE...

Страница 20: ...00 from the transmitter Remote interconnect cable sold separately The interconnections are shown below Notes The shield must be connected only at one end Preferably at the Transmitter end Use shielded...

Страница 21: ...TB3 14 1 1 2 3 4 5 6 7 8 J4a TB6 G N L RL3 RL2 RL1 2 3 4 5 6 7 1 8 Junction Box WHT AUX BLK AUX WHT HTR BLK HTR TB4 TB4 BLK G GRN Rx BLK Tx RED V Shld 2 3 4 5 6 7 1 8 2 3 4 5 6 7 1 8 2 3 4 5 6 7 1 8 A...

Страница 22: ...the remote junction box The interconnections are shown below Notes Rx of the Transmitter must be connected to Tx of the Junction box Tx of the Transmitter must be connected to Rx of the Junction box T...

Страница 23: ...0 Wiring connections 6 ft sensor cable SENSOR CABLE ASSY 03 0414 Conductor Colors TB3 Pos Sensor Wires 1 WHITE FROM SHLD 2 BROWN 3 RED 2 DRAINS 4 BLACK 5 YELLOW 6 GREEN 7 BLUE 8 VIOLET 9 GRAY 10 WHITE...

Страница 24: ...S Board 3 10 AC or 12 30 VDC Powered The AC powered version requires 115 or 230 VAC at 50 60Hz applied to TB6 DC powered units require 12 30 V between terminals 1 and 2 of TB6 NOTE The Voltage select...

Страница 25: ...or power fails The C and NC normally closed contacts of relay RL3 are jumpered to TB3 so it is closed when the coil is de energized The default configuration may be modified cutting and reconnecting j...

Страница 26: ...Examples ATI A17 B14 Receiver s Up to two transmitter receivers may be connected to a single A17 power supply Figure 24 ATI A17 B14 Receiver Modules A17 Power Supply A R B14 Receiver A R B14 Receiver...

Страница 27: ...14 Optional A17 B14 Receiver System or other To J4a On Power Supply PCB N 2 3 4 5 6 7 1 8 TX A J4a RS232 485 Supply RX B L G Comm Optional DCS or SCADA System RS232 485 RS232 485 Supply 1 TB3 1 2 3 4...

Страница 28: ...cal Connections 27 O M Manual Rev H Figure 26 Current Loop Output 2 3 4 5 6 7 1 8 RL3 RL2 RL1 G TB6 J4a 1 2 3 4 5 6 7 8 1 14 TB3 TB4 To Aux On Front Lid DC version shown But also applicable to AC vers...

Страница 29: ...between 230 and 1100 ohms however transmitter specifications restrict the maximum analog output resistance to a lower value see Specifications The term active source refers to a transmitter that is no...

Страница 30: ...ce use a jumper to select between RS 232 RS 485 and RS 485 with termination The desired physical interface is set by positioning jumper JP5 as shown below The orientation does not matter only its posi...

Страница 31: ...cally moves the cursor down or to the right while the up key moves the cursor up or to the left Pressing the Enter key when the cursor is pointing at a menu label ie is to the left of the label causes...

Страница 32: ...dit mode 6 Range 50 0 Pressing the ESC key restores the old value and exits edit mode Figure 30 Example Edit 4 2 Startup Transmitter Review Edit Active Increasing Decreasing Saving Value Communication...

Страница 33: ...To 200 PPM PPM H2S 50 PPM H2S Verify Range 50 24 2 H2S Range 10 PPM To 200 PPM Verify Sensor PPM H2S 10 0 C A PPM H2S 20 0 PPM H2S Verify A Alarm 20 0 A PPM H2S Verify C Alarm C 10 0 W PPM H2S 10 0 PP...

Страница 34: ...the 4 20mA output is 3 6mA default value and the Trouble alarm relay is active The Trouble alarm must be cleared by selecting Disable or by replacing the generator Selecting Disable sets the Auto test...

Страница 35: ...tive drift 1 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 2 Throughout this manual ghosted status icons are u...

Страница 36: ...e alarm will occur if a sensor is not installed before the timer expires This 60 second period is usually long enough to reinstall the sensor or install a replacement but if more time is needed the co...

Страница 37: ...or timeout the transmitter displays the generator review shown in Figure 38 which pauses 5 minutes for the operator to select Disable Selecting Disable forces the auto test control to OFF permanently...

Страница 38: ...rms This item appears only if a gas alarm is active see Figure 67 Alarm Status Menu on page 51 View Trouble View the Trouble Status Display This item appears only if the trouble alarm is active see Fi...

Страница 39: ...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 40 Auto test Config...

Страница 40: ...t to Range Set the gas concentration value corresponding to the 20mA output value Changing this value also changes the Blank blanking value which is maintained as a fraction of the range Setting limit...

Страница 41: ...kewise for the span calibration which appears as span spanning and spanned As with most instruments zero calibration should be performed before span Calibration Kits Calibration kits containing zero a...

Страница 42: ...for Oxygen sensors for up to 30 minutes of no key activity Figure 48 Sensor Zero Cal Setup Figure 49 Sensor Zero Cal Menus Open the regulator to flow gas to the sensor After approximately four minutes...

Страница 43: ...sor The displayed reading should begin to increase and stabilize after 5 to 10 minutes depending on the gas type and range of the sensor Select Span the concentration reading will become fixed and the...

Страница 44: ...ex number is set to index the most recent calibration and may be scrolled down to view earlier calibration records Span calibrations record the deviation from the reference sensitivity and display it...

Страница 45: ...with the sensor gas type or range Furthermore Auto test will not START when an alarm or transmitter fault is detected or any other conditions described in on page 46 are present When attempted the tr...

Страница 46: ...to pass Prior to starting the test this amount is added to the un blanked gas concentration reading to compute the pass value This value is limited between 5 default value and 10 of the sensor range...

Страница 47: ...59 Auto test Status Display When Auto test starts the Auto test Status Display Sequence appears This happens automatically from the Main Display pg 34 or by setting Status START on the Auto test Menu...

Страница 48: ...atus Display Auto test FAIL 1 3 60 00 Reading 0PPM Auto Test Status Display Auto test FAIL 2 3 60 00 Reading 0PPM Auto Test Status Display Auto test Pass 10 00 Reading 0PPM Auto Test Status Display Au...

Страница 49: ...imes higher than the TLV threshold limit value of the target gas The Warning alarm is a high alarm and normally set to the TLV Caution is a low alarm and set to activate on negative drift of 10 of the...

Страница 50: ...al Rev H For oxygen sensors Alarm is a low low alarm set to 16 Warning is a low alarm set to 19 5 and Caution is a high alarm set to 23 Figure 63 depicts the relationships of these alarms Figure 63 Ox...

Страница 51: ...ation of a low falling gas level alarm such as for Oxygen deficiency Figure 65 Low Alarm Operation Rdg at set level Alarm becomes active Set Level Res Level Set Delay Res_Delay Rdg at reset level Alar...

Страница 52: ...gure 68 Alarm Reset Menu Remote Reset Activating the Remote Reset input resets all manual reset alarms but only if the respective alarm conditions have subsided see Figure 23 Remote Reset Input on pag...

Страница 53: ...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 Dela...

Страница 54: ...ed to avoid triggering alarms on relatively short gas exposures The setting may be programmed between 0 its default and 10 seconds Res Delay Configure the amount of time in seconds that the gas concen...

Страница 55: ...Trouble Messages Table 2 describes the trouble messages and lists the corrective action codes which are listed below Problem Corrective Action Transmitter won t start 1 At power on transmitters powere...

Страница 56: ...rator s non volatile memory is corrupt 5 6 8 Auto test Fail With Gen Config Err Auto test is enabled Status READY and a problem has been detected with the gas generator or the gas generator is not com...

Страница 57: ...within 5 minutes Restart transmitter 2 and verify settings Hardware Fault The real time clock a memory chip or some other component has failed or been corrupted The transmitter will restart upon exit...

Страница 58: ...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 se...

Страница 59: ...larm Test Menu Display Instructions Select Alarm Scroll up or down to specify which alarms to test C W A T and save the selection by pressing the Enter key C Caution W Warning A Alarm T Trouble Select...

Страница 60: ...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 conf...

Страница 61: ...a Log View Menu Samples reported are assumed to be in units of PPM PPB or as determined by the gas concentration units appearing on the Main Display Sample values outside of printing limits are forced...

Страница 62: ...or is moved left and right by pressing 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 77 Data Log Graph View N...

Страница 63: ...irst reading The format of the gas readings appear as described in Data Log View Menu on page 60 A report example is shown below Figure 80 Data Log Print Example In the example above the first sample...

Страница 64: ...es gas readings appearing across the page is programmable from 1 to 30 This is designed to allow reports to fit on small thermal printers and on conventional sized printers A wider report takes less t...

Страница 65: ...of up to 10s may be inserted at the end of each report line This permits the receiver time to process more characters in its buffer and avoid an overflow However this may be a method of trial and err...

Страница 66: ...current loop 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 Autotst mA S...

Страница 67: ...prevent adjustment errors caused by 4 20mA receivers that limit readings to 20mA Item Select to Setup Configure the connection settings only selection when Protocol is None Print Print the data log ap...

Страница 68: ...s not affect the average analog level This allows a HART FSK device to use both analog and digital communication on a single connection Item Select to Protocol Change the slave protocol ASCII default...

Страница 69: ...revision level of the transmitter currently set at 2 may increment in the future Poll Addr Use this to change the polling address of the transmitter The default value is 0 which allows the transmitte...

Страница 70: ...ting The value is adjustable only when the Loop setting is FIXED and may be adjusted between 3 5 4mA on 2 wire power and 22 mA Resp Preamb This setting provides direct access to the associated HART ne...

Страница 71: ...d 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 72 The table below details the contact states fo...

Страница 72: ...r disable operation of the relays Setup Assign each relay to an alarm and select the normal state of its coil Relays Active No Setup Menu Setup I O Relays Res_PointA ALARM WARNING CAUTION Fault Remote...

Страница 73: ...e See Table 6 on page 70 Item Select to Display Adjust the display contrast or when the backlight comes on Note backlight operates only when powered in 3 or 4 wire mode Security Lock or unlock the tra...

Страница 74: ...g 32 To do so security must be disabled either permanently or temporarily by entering the correct 4 digit code Panel security status is indicated on the 4 3 Main Display as shown on page 34 Figure 100...

Страница 75: ...rs when attempting to activate panel security Figure 101 Activating Security Security Code Fail Enter code to Security Code Entry Security Code 0 Enter code to Security Code Entry Security Code Pass E...

Страница 76: ...s 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 co...

Страница 77: ...urity 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 Secu...

Страница 78: ...ate 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 09 1...

Страница 79: ...ver Hw Sw Gas number identifies a gas species Model number identifies a series model type Part number identifies a specific assembly Identity uniquely identifies a CPU board assembly Version number i...

Страница 80: ...eal time clock is the only other user replaceable part Real Time Clock Battery Replacement WARNING Disconnect power and move unit to a non hazardous area before servicing WARNING Replace with only Pan...

Страница 81: ...ews 4 4 Remove the Terminal PCB by pulling straight up to expose the CPU PCB 5 5 Remove the Battery 6 and replace with same kind 6 Reverse steps 4 through 1 to re assemble the unit 7 After powering up...

Страница 82: ...12 Sensor Holder Assembly heated 00 1700 F12 Sensor Holder Assembly 03 0332 Standard Sensor Cap 00 1698 Auto Test Generator Holder Assembly 01 0413 Power Supply Relay Board Assy AC Version 01 0418 Pow...

Страница 83: ...0 10 200 PPM 20 PPM Standard 00 1023 Sulfur dioxide 0 10 500 PPM 20 PPM Standard 00 1024 Arsine 0 500 2000 PPB 1000 PPB Standard 00 1025 Arsine 0 10 200 PPM 10 PPM Standard 00 1026 Diborane 0 500 2000...

Страница 84: ...n bromide 10 200 PPM 20 PPM Standard 00 1469 Hydrogen sulfide 200 1000 PPM 500 PPM Standard Table 8 E18 gas generators Part No Description 00 1538 Chlorine 00 1539 Ammonia 00 1540 Carbon Monoxide 00 1...

Страница 85: ...inspection for evidence of extended exposure to excessive gas concentrations Should inspection indicate that sensors have been expended rather than failed prematurely the warranty shall not apply The...

Страница 86: ...DUCTS 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...

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