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370XA Gas Chromatograph

System Reference Manual

APRIL 2014

7P00370-H01

4 - 39

4.4.4

Warm-start mode

When power is reinstated after being lost while the GC is in auto-
analysis mode, the GC will enter

warm-start mode

and try to go back

on line. In warm-start mode, the GC monitors the oven temperature
until it is stabilized at the set point, runs calibration gas, and checks
that all of the components are detected correctly. Once the calibration
gas has been analyzed correctly, the GC will re-enter auto-analysis
mode.

If the warm-start mode fails to complete within 2 hours, a

warm start

failure

alarm will be triggered, and the GC will go into Idle mode.

4.4.5

Maintenance mode

Maintenance mode

allows you to work on the GC while alerting the

supervisory system that the current analysis may not be valid, and
should not be used. Maintenance mode triggers a system alarm that
can be read as a Modbus Register (bit 0 on Register 3046 in the
SIM_2251 Modbus map), and on the Common Alarm digital output.

To enable maintenance mode, select its check box on the

System

window from the LOI or MON2020.

When maintenance mode is active, the analysis in the Modbus
registers will still be updated so that communication to the supervisory
system can be tested; however, the analysis results during
maintenance mode will not be included in the averages calculated by
the GC.

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Содержание Rosemount 370XA

Страница 1: ...Revision A 7P00370 H01 April 2014 370XA Gas Chromatograph System Reference Manual ...

Страница 2: ...IR ACCURACY THEY ARE NOT TO BE CONSTRUED AS WARRANTIES OR GUARANTEES EXPRESSED OR IMPLIED REGARDING THE PRODUCTS OR SERVICES DESCRIBED HEREIN OR THEIR USE OR APPLICABILITY WE RESERVE THE RIGHT TO MODIFY OR IMPROVE THE DESIGNS OR SPECIFICATIONS OF SUCH PRODUCTS AT ANY TIME SELLER DOES NOT ASSUME RESPONSIBILITY FOR THE SELECTION USE OR MAINTENANCE OF ANY PRODUCT RESPONSIBILITY FOR PROPER SELECTION U...

Страница 3: ...r s expense Seller shall not be obligated to pay any costs or charges incurred by Buyer or any other party except as may be agreed upon in writing in advance by an authorized Seller representative All costs of dismantling re installation and freight and the time and expenses of Seller s personnel for site travel and diagnosis under this warranty clause shall be borne by Buyer unless accepted in wr...

Страница 4: ...e requirements 3 1 Mounting requirements 3 1 Actions Upon Recent of GC 3 1 Unpacking 3 1 Inspection and verification of received equipment 3 2 Mount the GC 3 2 Minimum installation clearances 3 3 Pole mount 3 3 Parts 3 4 Dimensions 3 5 Optional gas bottle accessories 3 6 Instructions 3 7 Wall mount 3 10 Parts 3 10 Dimensions 3 11 Instructions 3 12 Secure the 370XA to the mounting bracket 3 14 Moun...

Страница 5: ... configure the gas chromatograph 3 46 Apply carrier and actuation gas 3 46 Apply calibration gas 3 47 Apply sample gas 3 47 Turning on power for the first time 3 48 Set the time 3 50 Configure the gas chromatograph s Ethernet ports 3 50 Connect a computer directly to the 370XA 3 51 Connect a local computer to the 370XA 3 51 Configure the serial communications settings from the 370XA 3 53 Set the c...

Страница 6: ...t screen 4 18 The Analog Output screen 4 19 The Application menu 4 20 The System screen 4 20 The Component Data Table screen 4 21 The Timed Events Table screen 4 22 The Streams screen 4 22 The Status Display screen 4 23 The Communications screen 4 23 TCP IP Settings 4 25 The Logs menu 4 26 The Alarm Log screen 4 26 The Event Log screen 4 26 The Maintenance Log screen 4 27 The Add a New Maintenance...

Страница 7: ...uling the maintainable module 6 1 Replace a stream selection solenoid 6 2 Replace an analytical valve solenoid 6 5 Overhaul an analytical valve 6 7 Overhaul the sample shut off valve 6 22 Replace the carrier pressure control valve 6 28 Replace the carrier gas pressure sensor 6 30 Replace the detectors 6 31 Replace the chromatograph columns 6 37 Installation 6 37 Column assignments 6 39 Column draw...

Страница 8: ... from Rosemount Analytical is the latest analyzer to join the XA series of Emerson gas chromatographs Designed to simplify natural gas measurement analysis the 370XA provides greater ease of use and increased measurement performance for your C6 BTU CV analysis Another unique benefit of the 370XA is its Maintainable Module technology which allows you to easily replace the GC module in the field in ...

Страница 9: ...as Chromatograph 7P00370 H01 APRIL 2014 1 2 Structurally the 370XA has two major sections The upper section 1 consists of the analysis module 3 The lower section 2 of the gas chromatograph houses the electronics 4 and the LCD display ...

Страница 10: ...pproval Note Provide the GC with one 5 amp circuit breaker for protection Power consumption at 22 C 72 F 50 Watts startup 20 Watts steady state Construction Environmental temperature 20 C 4 F to 60 C 140 F Enclosure protection rating IP65 and Type 4X Dimensions without sample system or mounts 460 mm H x 305 mm W x 280 mm D 18 H x 12 W x 11 D Mounting options Pipe wall Weight without sample system ...

Страница 11: ...A 2172 using the GPA 2145 physical properties table Carrier gas Zero grade helium at 6 2 BarG 90 PSIG Zero grade hydrogen available as an option Actuation gas Helium nitrogen or clean dry air at 6 2 BarG 90 PSIG Sample input pressure range 0 7 to 1 7 BarG 10 to 25 PSIG Valves Three 6 port diaphragm chromatograph valves Oven Airless iso thermal Detector Thermal conductivity detector TCD Streams One...

Страница 12: ...Analog input One standard input filtered with transient protection 4 20 mA that is user scalable and assignable Analog outputs Two isolated outputs 4 20 mA Digital inputs One input that is user assignable optically isolated and rated to 30 VDC 0 5 A Digital output One user assignable output Form C and electro mechanically isolated 24 VDC Serial ports Two termination blocks configurable as RS 232 o...

Страница 13: ...ar of manufacture device dependent Warnings DO NOT OPEN WHEN AN EXPLOSIVE ATMOSPHERE MAY BE PRESENT DO NOT OPEN WHILE ENERGIZED USE SUPPLY CABLES OR WIRES SUITABLE FOR AT LEAST 80 C Other markings Electrical ratings DC 21 30 V 55 W MAX Number and size of the conduit entries 3 conduit entries M32 X 1 5 EN 60079 0 2009 Explosive atmospheres Part 0 Equipment General requirements EN 60079 1 2007 Explo...

Страница 14: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 1 7 CSA Class I Div 1 Groups B C D T6 Type 4X Class I Zone 1 Ex AEx d IIB H2 T6 IP65 ...

Страница 15: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 1 8 This page is intentionally left blank ...

Страница 16: ...me Unscrew the explosion proof dome to gain access to the analytical oven 2 Explosion proof body The explosion proof body houses the electronics 3 Local operator interface The local operator interface LOI contains keys and an LCD display for interacting with the gas chromatograph ...

Страница 17: ...x screw with a 2 mm hex wrench to release the lock unscrew the hex screw with a 2mm hex wrench 2 Cable entry M32 conduit entry This is the most convenient entry point for the power cable If this entry is not used for cables then a certified plug must be used Certification type Additionally supplied certified parts CSA M32 to inch adapter and a inch sealing plug ATEX IECEx M32 plug ...

Страница 18: ...nal grounding system as required for ATEX certified installations 4 Tubing bulkhead The central hub for the sample carrier and other gas inlets 2 3 Exterior Right View 1 Upper cable entry Certification type Additionally supplied certified parts CSA M32 to inch adapter and a inch sealing plug ATEX IECEx M32 plug ...

Страница 19: ...ld wiring connections and the circuit boards 3 Lower cable entry Supplied with an M32 certified plug and an M32 to NPT adapter This is the most convenient entry point for connecting cables to the Ethernet port communications ports and external device terminals If this entry is not used for cables then a certified plug must be used ...

Страница 20: ... Reference Manual APRIL 2014 7P00370 H01 2 5 2 4 Exterior Rear View 1 Mounting bolts These M8 bolts are used to mount the GC to its final destination depending upon the mounting configuration chosen Each bolt is 1 8 centimeters long ...

Страница 21: ...k lighting and brightness can be adjusted for different ambient conditions 2 Arrow keys 3 Select Edit key The function of this key depends on context For example if you press this key while a table cell is selected that cell will become active if after entering text into that table cell you press this key a second time that data will be saved to the cell 4 Enter key Saves changes and closes the cu...

Страница 22: ...phanumeric keys To enter a letter into an alphanumeric field press the appropriate key to cycle through its alphanumeric options until the desired letter appears For example to enter an H you must press the 4GHI key three times 6 Exit key Closes a screen without saving any changes ...

Страница 23: ...RIL 2014 2 8 2 6 Interior Back plane TB1 Digital input TB3 Digital output TB5 Wired Ethernet TB9 COM2 port RJ 45 Plug in Ethernet port CPU CPU board TB2 Analog input TB4 COM1 port TB8 Power TB10 Analog outputs 2 J8 LOI connector ANA Analyzer board SW1 DHCP switch ...

Страница 24: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 2 9 2 7 Interior Maintainable Module ...

Страница 25: ...olumns than components with higher boiling points The 370XA uses four chromatograph columns and a single restrictor column 3 Analytical valves Manipulates the flow of carrier and sample gases through the columns and the detector The analytical valves use diaphragm actuated pistons to block or release the flow of the gases between adjacent ports on the valve The majority of service on the maintaina...

Страница 26: ...ntains a multi layered printed flow path board PAFB that replaces the interconnecting tubing that traditionally exists between the valves columns solenoids and detectors 7 Intelligent module board To facilitate easy replacement of the maintainable module its operating and calibration settings are stored on the intelligent module board IMB When a new maintainable module is installed it downloads th...

Страница 27: ...lve actuation solenoids Each analytical valve is actuated by its own four way solenoid The actuation solenoid directs the actuation gas to the appropriate pistons in its associated actuation valve 11 Carrier gas pressure control valve Electronically controls the carrier gas pressure ...

Страница 28: ...he LOI Allow at least 10 inches 254 mm on the right hand side of the GC to permit access to the side portal hole where the field terminations are made Allow a minimum of 10 inches 254mm above the top of the dome to facilitate access to the analytical module 3 1 2 Mounting requirements The 370XA can be mounted on a 4 inch pole or onto a wall using one of the mounting kit options The pole or wall mu...

Страница 29: ...ontact your local Rosemount Analytical sales representative 3 3 Mount the GC The 370XA can be installed in one of the following mounting options Wall mount Pole mount Check the packing slip or the GC s sales order to learn which mounting hardware was selected for it NOTICE All options require the same mounting bracket but use different hardware to mount the it When putting a unit into its final po...

Страница 30: ...tallation clearances 3 3 2 Pole mount The pole mount arrangement uses a pair of U shaped pipe clamps and a mounting bracket to attach the gas chromatograph to a pole that is four inches in diameter An optional floor mount is available that is a pole welded to a square base with mounting holes ...

Страница 31: ... 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 3 4 3 3 2 1 Parts 1 Mounting bracket 2 4 inch pipe clamps each with two nuts 3 Optional 4 inch diameter pole with metal base containing mounting holes suitable for inch anchors ...

Страница 32: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 3 5 3 3 2 2 Dimensions ...

Страница 33: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 3 6 3 3 2 3 Optional gas bottle accessories 1 Carrier gas bottle cradle assemblies 2 2 Calibration gas bottle cradle assembly ...

Страница 34: ...ence Manual APRIL 2014 7P00370 H01 3 7 3 3 2 4 Instructions 1 Slide the u bolt plastic inserts 1 onto the pole and place the lower clamp approximately 1 m 40 inches from the ground and the upper clamp 27 cm 10 inches above the lower clamp ...

Страница 35: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 3 8 2 Slide the two u bolts 1 into the plastic inserts ...

Страница 36: ...01 3 9 3 Attach the mounting frame to the pole by matching the frame s mounting holes to the prongs of the pipe clamps 4 Tighten the nuts onto the prongs The mounting bracket should be firmly attached to the pole See Secure the 370XA to the mounting bracket on page 3 14 ...

Страница 37: ...raph 7P00370 H01 APRIL 2014 3 10 3 3 3 Wall mount 3 3 3 1 Parts 1 Mounting bracket 2 Four 7 16 10mm mounting bolts with washers NOTICE You will also need four 10mm in threaded wall anchors that are capable of supporting at least 50 pounds 22 kg ...

Страница 38: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 3 11 3 3 3 2 Dimensions ...

Страница 39: ... 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 3 12 3 3 3 3 Instructions The wall must be able to hold approximately 50 pounds 22 kg 1 Install four threaded wall anchors according to the dimensions given in the graphic below ...

Страница 40: ...XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 3 13 2 Mount the wall mounting frame to the wall and tighten the mounting nuts See Secure the 370XA to the mounting bracket on page 3 14 ...

Страница 41: ...nual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 3 14 3 3 4 Secure the 370XA to the mounting bracket 1 Screw two bolts into the top mounting holes of the GC without the washers leaving inch 15 mm of the thread exposed ...

Страница 42: ...d the GC loosely on the bracket 3 Screw in the two bottom bolts through the mounting bracket with the washers on The flat washer should be against the bracket and the spring washer between the flat washer and the bolt head Hand tighten these two bolts so that they secure the GC in place 4 One at a time remove the top bolts put on the washers and screw the bolts into the back of the GC and hand tig...

Страница 43: ... the side of the 370XA For multiple stream applications several plate mounted options are available that can be mounted to a pole a wall or a floor stand It is also possible to use a third party SCS A third party SCS must contain the following functional components Moisture drier for the carrier gas 2 micron or better particulate filter Liquid filter shut off Flow control to limit the sample flow ...

Страница 44: ...370 H01 3 17 3 4 1 Attach the single stream side mounted sample conditioning system to the GC 1 Use the two one inch bolts and a 5 32 hex wrench to screw the large mounting bar tightly to the left side of the plate with the angled foot facing the edge of the plate ...

Страница 45: ... 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 3 18 2 Use the two half inch bolts and a 5 32 hex wrench to screw the small mounting bar loosely to the right side of the plate with the angled foot facing the edge of the plate ...

Страница 46: ...nual APRIL 2014 7P00370 H01 3 19 3 Angle the plate onto the left side of the GC so that the large mounting block fits behind the left edge of the cut out Swing the right side of the plate around until it attaches to the right side of the cut out ...

Страница 47: ...Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 3 20 4 Slide the small mounting bar 1 to the right so that it fits behind the right edge of the cut out Tighten the small mounting block s screws ...

Страница 48: ...nnect sample conditioning system tubing to the GC 1 Use the tubing supplied with the sample system to connect the stream calibration actuation and calibration gases from the sample plate to the GC s manifold block 1 Calibration tubing 2 Sample tubing 3 Actuation tubing 4 Carrier tubing ...

Страница 49: ...ea to ensure there is no back pressure created on the vents 1 Sample 2 Measure 3 Atmospheric vent 4 Bypass vent The flows of the vents are Sample Vent 10 to 50 cc min of sample gas for approximately 3 12 minutes of the 4 minute cycle Measure vent Continuous flow of less than 10 cc min of carrier gas and 10cc of sample gas per analysis cycle Sample Bypass Continuous flow of 150 to 200 cc min of sam...

Страница 50: ...alyzer install two high pressure carrier gas cylinders and connect them to the GC through a manifold arrangement that permits the replacement of empty cylinders without disrupting the operation of the analyzer The manifold arrangement can be a manual valve arrangement or a commercially available auto switch over dual regulator assembly Carrier gas specifications Carrier gas Hydrogen or helium Puri...

Страница 51: ...ontamination of the analytical oven Use inch stainless steel tubing that is clean and free of grease to connect from the carrier gas bottle manifold to the inlet of the carrier gas drier 1 on the 370XA sample conditioning system as shown show single stream and multi stream panels and indicate inlet of drier Before making the final connection to the sample system blow through the lines with helium ...

Страница 52: ...is sufficient and use filters and dryers to ensure the actuation gas will meet the above specifications in order to avoid excessive maintenance 3 6 1 Helium actuation gas When the carrier gas is also used as the actuation gas the actuation gas supply connection should be teed from the helium supply after the moisture filter 3 6 2 Alternative actuation gas If a gas other than the carrier gas is to ...

Страница 53: ...ration gas remain in the gas phase and that the composition remains consistent install a calibration bottle heater blanket and use insulated or heat traced stainless steel tubing between the calibration gas and the gas chromatograph The following table recommends the ideal component concentrations for a calibration gas that can be used with most common natural gas applications Also provided in the...

Страница 54: ... ensure the outlet pressure will not change with changes in the bottle pressure Use stainless steel diaphragms to avoid contamination Use inch stainless steel tubing that is clean and free of grease to connect from the calibration gas bottle regulator to the calibration gas inlet connection on the 370XA sample conditioning system 1 Before making the final connection to the SCS blow through the lin...

Страница 55: ...tural gas application any liquid or solid contamination in the gas will tend to accumulate on the inside pipe walls even if it is clean and dry gas To take a representative sample of the flowing gas insert a sample probe into the center third of the pipeline A major flow disturbance in the pipe such as an elbow fitting or an orifice fitting will cause the contaminants to be temporarily mixed with ...

Страница 56: ...obe or be combined with the probe a regulator probe because any extended lengths of sample line before the pressure regulator adds significant lag time which is the time taken for the sample entering the probe to reach the analyzer oven Note that when the pressure of a gas is reduced the temperature of the gas will decrease This is called the Joules Thompson effect If the temperature is reduced be...

Страница 57: ... GC s warranty may be void if it is determined the failure is due to contamination NOTICE All sample conditioning systems sold with the 370XA include a 2 micron filter for each stream and a liquid filter shut off can also be purchased separately for each stream Observe the following guidelines for installing sample lines Line Length If possible avoid long sample lines In case of a long sample line...

Страница 58: ... line pressure 3 9 Electrical connections WARNING It is the responsibility of the end user to ensure that all wiring conforms to the local electrical codes or regulations The 370XA has three cable entries for wiring If you intend to run the power and communications cables through a single entry the lower left entry is the most convenient If you intend to run the power and communication cables sepa...

Страница 59: ...rtified then M32 certified plugs will be shipped with your GC The maximum wire size for all of the 370XA s terminals is 12 AWG or 3 5 mm2 The terminals can be unplugged from the back plane to make the connection and then plugged back into place WARNING All electrical connections should be made with no power applied ...

Страница 60: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 3 33 3 9 1 Terminal wiring diagram ...

Страница 61: ... MON2020 The cables for the serial communications should be individually shielded pairs with the shield connected to a clean electrical earth at one end only 1 Port 1 Modes RS 232 and RS 485 back plane location TB4 Supported Modbus formats ASCII and RTU 2 Port 2 Modes RS 232 and RS 485 back plane location TB9 Supported Modbus formats ASCII and RTU To configure the serial ports after power has been...

Страница 62: ...wire connection including a ground and does not support multi drop The communication pair should be individually shielded with the shield connected at one end only There is no need to connect the RTS CTS or DTR terminals in most applications The maximum recommended distance for reliable communications with RS 232 is 50 feet 15 meters ...

Страница 63: ...rs for long distance or multi dropped applications The RS 485 protocol is suitable for longer distance communications and also allows multi dropped communication to multiple devices For long distance RS 485 communications wire 100 ohm to 120 ohm terminating resistors in parallel to the two endpoint terminals If the GC is connected with multiple devices on an RS 485 link terminating resistors shoul...

Страница 64: ... Ethernet ports 1 Ethernet1 Back plane location J9 Terminal type RJ 45 DHCP enabled 2 Ethernet2 Back plane location TB5 Terminal type Wired 3 DHCP switch Back plane location SW1 The 370XA has two Ethernet ports that can be configured with unique IP addresses subnet masks and gateway addresses ...

Страница 65: ...rily for local connection to a computer such as a technician s laptop for occasional maintenance and diagnostic purposes The connector is the same RJ 45 Ethernet connector commonly found on most Internet capable devices The RJ 45 port has a DHCP server that will automatically assign an Internet Protocol IP address to a computer when it is connected to the port There is a switch at SW1 on the back ...

Страница 66: ...as a flow computer SCADA system or DCS This port can also be used to permanently connect to a maintenance network with MON2020 Since this port is intended for connection to hard wired Ethernet networks the IP address the subnet and the gateway address is intended to be configured appropriately for the network it is being connected to Consult with your network administrator for the required setting...

Страница 67: ...discrete digital input can be configured to trigger alarms change the stream sequence or other functions The input is optically isolated and can accept either a contact closure such as a pressure switch or a DC voltage signal between 5 and 30 VDC 1Amp 1 Digital input TB1 3 Analog input TB2 2 Digital output TB3 4 Two analog outputs TB10 ...

Страница 68: ...2 2 Digital output The digital output is a Form C dry contact relay output with normally open and normally closed contacts The output is typically configured as an alarm output but can be configured for other purposes When using the digital output as an alarm output it is important to configure the circuit for fail safe operation which means that the normally open contact should be used and config...

Страница 69: ...sition component input from another analyzer such as a moisture or H2S analyzer The analog input is optically isolated and requires external loop power Figure 3 4 Analog Input wiring with an external power supply and a loop powered transmitter 3 12 4 Analog outputs The 370XA has two analog outputs Each analog output can be used to transmit a GC variable such as an energy value or a component conce...

Страница 70: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 3 43 Figure 3 5 An analog output connected to an ROC800 analog input card ...

Страница 71: ...44 3 13 Connect to power 3 13 1 Power source wiring All wiring as well as circuit breaker or power disconnect switch locations must conform to all national standards as well as all local state or other jurisdictions Provide the GC with a 5 amp circuit breaker for protection ...

Страница 72: ...s estimate the voltage drop and the maximum length of cable with a 24 VDC supply at the maximum power draw while the analytical oven heats up during start up of 55 W American Wire Gauge AWG 12 14 16 Resistance per 1000 feet 1 62 2 58 4 08 Ohms Voltage drop per 1000 feet at 2 5A 4 05 6 44 10 21 VDC Maximum length 3V DC power Drop 740 465 293 Feet Metric Wire Size 2 5 1 5 mm2 Resistance per 100m 1 3...

Страница 73: ...on is made apply a non acidic grease to the surface of the external ground lug to prevent corrosion The equipment grounding conductors used between the GC and the copper clad steel ground rod must be sized according to your local regulations 3 14 Start up and configure the gas chromatograph 3 14 1 Apply carrier and actuation gas If the carrier gas and actuation gas are the same supply start them t...

Страница 74: ... GC 3 14 2 Apply calibration gas 1 Close the calibration gas isolation valve on the sample handling system 2 Back off the bottle regulator so that when the bottle valve is opened there will be no pressure applied 3 Open the bottle valve 4 Slowly increase the regulated pressure to 15 PSI 100 kPa 5 Leak check the lines from the bottle to the GC NOTICE Do not open the isolation valve to the calibrati...

Страница 75: ...done during the start up of the GC Repeat for each sample line 3 14 4 Turning on power for the first time At this point actuation gas and carrier gas should be flowing through the GC The GC can take up to two hours to heat up to temperature during which time the software settings can be configured and the system purged 1 Turn on the power supply to the GC The local operator interface s bootup scre...

Страница 76: ...he Heater 1 Out Of Range alarm Other possibly triggered alarms are the GC Idle alarm Carrier Pressure Low alarm and the Power Failure alarm NOTICE If the Current Alarms screen displays the Carrier Pressure Low alarm confirm that the carrier gas supply is on and that the pressure regulator is set to 90 PSI 620 kPa If the alarm persists see the Troubleshooting section Because this is the first time ...

Страница 77: ...savings time clear the Enable Day Light Savings check box which is checked by default NOTICE You must use MON2020 to configure daylight savings time 3 14 6 Configure the gas chromatograph s Ethernet ports 1 Go to the Main Menu and select TCP IP on the Application menu The TCP IP screen displays 2 Make a note of the Ethernet settings for both ports Ethernet 1 is the RJ 45 terminal that is commonly ...

Страница 78: ...and includes a Dynamic Host Configuration Protocol DHCP server that automatically configures the settings of a computer when it connects to Ethernet 1 Switch on the DHCP server for a local single computer connection or switch it off if you intend to connect Ethernet 1 to multiple devices on a local area network LAN 3 14 8 Connect a local computer to the 370XA 1 Locate the switch at SW1 1 on the ba...

Страница 79: ...o update its TCP IP settings NOTICE If your computer is not configured for dynamic IP addressing static IP you will need to configure the 370XA with a static IP address that is in the same subnet as your computer Contact your network administrator for these IP settings and enter the required settings into the TCP IP Settings screen on the 370XA 4 Start MON2020 NOTICE You must have at least MON2020...

Страница 80: ...e GC is one of several on the serial network the ModBus ID needs to be unique Refer to your host device configuration to determine the ModBus ID to be configured on the GC b Baud Rate The baud rate can be set at the standard rates from 1200 baud up to 57600 For ModBus commu nications the typical setting is 9600 c Data Bits The number of bits used for communica tions The typical setting for ASCII m...

Страница 81: ... You can use MON2020 to enter these values Select Component Data from the Application menu 1 Go to the Main Menu 2 Move to the Application menu and select Calibration Gas Info The Calibration Concentration screen displays 3 Enter the concentration values that are written on the calibration gas certificate into the appropriate fields on the Calibration Concentration screen NOTICE If the Auto Calcul...

Страница 82: ...t data on the calibration certificate is typically calculated using the energy value of the actual components in the mixture there may be a difference between the GC s energy values and the calibration certificate s energy values If the values don t match enter the calculated values from the GC to ensure the energy value check during the calibration runs will not cause nuisance alarms 9 Press For ...

Страница 83: ...edit but again 6 Make sure the Purge Stream for 60 seconds and the Continuous Operation check boxes are selected 7 Press to start the analysis 8 Press to return to the Home screen NOTICE The first few analysis runs will show a chromatogram on the Home screen that may not look normal This is common for the first runs after the unit has been started up after an extended amount of down time 9 Let the...

Страница 84: ... s and set the pressure to between 15 and 30 PSI 100 to 200 kPa 16 Go to the GC Control menu and select Auto Sequence The Start Auto Sequence screen displays 17 Make sure the Purge Stream for 60 seconds check box is selected 18 Press to start the analysis 19 Go to the View menu and select Reports The Report Display screen displays 20 View the Analysis Report for each stream and confirm that the un...

Страница 85: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 3 58 This page is intentionally left blank ...

Страница 86: ...tatus After the firmware has booted up the LOI will display the Home screen To edit data you must be logged in at the appropriate security level if you attempt to edit data without being logged in the Login screen will appear You will be logged off automatically after a period of 15 minutes of inactivity The LOI will turn off the back light and return to the Home screen 4 1 1 Menu operation To vie...

Страница 87: ...Puts the field currently in focus into edit mode unless the focus is on a table in which case pressing this key allows you to navigate amongst the table s cells If there is no field in edit mode you can exit that screen in one of two ways Enter If you made any changes to the screen s data the LOI validates and saves them while also generating the appropriate event log entries The LOI then exits th...

Страница 88: ...el the new data and keep the original data Press the left arrow key to delete the digit immediately to the left of the currently highlighted number Press the right arrow key to move the cursor to the right one space 4 1 4 Enter alphanumeric data To enter a letter into an alphanumeric field press the appropriate key to cycle through its alphanumeric options until the desired letter appears For exam...

Страница 89: ...e Current Alarms screen use the up and down arrow keys to move to the alarm that you want to acknowledge 3 Press the Enter key The alarm will be acknowledged 4 2 2 Acknowledge all alarms 1 Go to the Current Alarms screen This can be done in one of two ways From the Home screen press 2 on the keypad From the Main Menu navigate to the View menu and select Current Alarms 2 From the Current Alarms scr...

Страница 90: ...arrow keys to move to the alarm that you want to acknowledge 3 Press 2 on the keypad The alarms will be acknowledged and cleared from the GC and the screen 4 2 4 View the maintenance log 1 Go to the Main Menu screen This can be done in one of two ways From the Home screen press the Enter key From any other screen press the Exit or the Enter key 2 From the Main Menu screen use the left or right arr...

Страница 91: ...d 4 Press the Enter key The Event Log screen displays See the Event Log screen for information about the data displayed on this screen 4 2 6 View a live chromatogram Live chromatograms display on the Home screen by default but there are two other ways of viewing a live chromatogram on its own screen Method 1 From the Home screen press 4 on the keypad The Live CGM screen displays Method 2 1 Go to t...

Страница 92: ...nu screen This can be done in one of two ways From the Home screen press the Enter key From any other screen press the Exit or the Enter key The Main Menu displays with the View menu selected 2 From the View Menu use the down arrow to highlight the Chromatogram command 3 Press the Enter key The CGM Settings screen displays 4 Press the down arrow key to move from the live chromatogram and to select...

Страница 93: ...for 60 seconds feature allows sample gas to flow through the sample loop for 60 seconds prior to beginning the first analysis The feature is checked by default The Continuous operation feature allows for the repeated analysis of the selected stream The feature is checked by default 6 To check or clear the Purge stream for 60 seconds check box or the Continuous operation check box do the following ...

Страница 94: ...ress the Select Enter key and then press the down arrow key to highlight the stream that you want to analyze 6 Press the Enter key The Purge stream for 60 seconds feature allows sample gas to flow through the sample loop for 60 seconds prior to beginning the first analysis The feature is checked by default There are two types of calibration A Normal calibration is a manual calibration in which the...

Страница 95: ...eck box press the Select Edit key c If you do not want to select a calibration type press the Enter key 8 To select a calibration type do the following a Press the down arrow key to move from the Purge stream for 60 seconds check box to the set of Calibration Type check boxes b To select Normal press the Enter key c To select Forced press the down arrow key and then press the Enter key 9 Press the...

Страница 96: ...ew menu 4 3 1 1 The Current Alarms screen 1 Check box Select the alarm s check box in order to acknowledge it 2 State Indicates whether the alarm is active unacknowledged or inactive blank 3 Date Time Indicates the date and time at the GC when the alarm condition occurred 4 Alarm Message Describes the alarm condition ...

Страница 97: ...ct Stream Select the stream that was analyzed 4 3 1 3 The Reports Viewer screen This window displays after you select a report type from the Reports screen This screen s content is dependent upon the type of report selected 4 3 1 4 The Chromatogram screens NOTICE A protected chromatogram is a chromatogram that will never be deleted from the GC 1 Retention time 2 Peak detection marker 3 Baseline ...

Страница 98: ...dicates the state of the heater Auto The heater is controlled by the GC Fixed On The heater is controlled manually through user input Not used The heater is shut off The switch state can be changed with MON2020 Setpoint C Indicates the target temperature The setpoint and the unit of measurement Celsius or Fahrenheit can be changed with MON2020 Temperature C Indicates the current temperature Curren...

Страница 99: ...heater OK The heater s control card is installed and is working correctly Not installed The heater is not installed Out of Control The heater is running but the temperature is not within control limits Error The GC cannot communicate with the heater 4 3 2 2 The Valves screen 1 Label The name of the valve as set in MON2020 ...

Страница 100: ...s on or active gray means the valve is off or inactive 4 3 2 3 The EPC screen Label The name of the EPC as set in MON2020 Switch Auto The EPC is controlled by the GC Fixed On The EPC is controlled manually through user input Not used The EPC is shut off Set Point Indicates the target pressure Fixed PWM Output The desired percentage of power to provide to the EPC Current PWM Indicates the current p...

Страница 101: ...orrectly Out of Range The EPC is running but the pressure is not within control limits Error The GC cannot communicate with the EPC 4 3 2 4 The Discrete Input screen Label The name of the discrete input as set in MON2020 Switch Indicates the discrete input s operational mode There are three modes Auto The discrete input s on or off state is controlled by the GC Off On The mode can be set by the us...

Страница 102: ...iscrete input as OFF and a high voltage signal is interpreted by the discrete input as ON This option can be changed with MON2020 Current Value Indicates the current state of the discrete input Options are On and Off 4 3 2 5 The Discrete Output screen Label The name of the discrete output as set in MON2020 Usage A discrete output s usage mode determines which signals are routed to it via the Limit...

Страница 103: ... the signal it receives Setting the switch to Fixed means that the analog input will be set to the value that you enter in the Fixed Value field This field can be changed with MON2020 Current Value Displays the current value of the analog input signal Fixed Value If the analog input is set to Fixed then analog input signal will be set the value that you enter into this field This field can be chan...

Страница 104: ...able field Setting the switch to Fixed means that the analog output will be set to the value that is entered in the appropriate Fixed Value field This field can be changed with MON2020 Variable Displays the system variable to which the analog output is associated This variable can be changed with MON2020 Current Value Displays the current scaled value of the analog output signal Fixed Value If the...

Страница 105: ... The System screen Analyzer Name Displays the GC name that appears in the Status Bar on the main window when MON2020 is connected to the GC System Description Displays information that further identifies the currently connected system Firmware Version Revision level of firmware of the GC GC Serial Number Serial number of the GC Company Name The name of the company that owns the GC GC Location The ...

Страница 106: ... Sequence Displays the default sequence to be used by the GC during auto sequencing 4 3 3 2 The Component Data Table screen Component Displays the list of available components for the selected stream Ret Time A component s retention time which is the time in seconds when the apex of the component s peak is expected to appear Resp Fact A component s response factor is equal to the value of the comp...

Страница 107: ...n Event Type Displays the type of event that occurred Valve Det The ID number or name of the valve or detector that was affected by the event Value The value depends on the event that is displayed the Event Type column Slope Sensitivity and Peak Width The number of points to be used Single Baseline Off End Bgn All other events On or Off Time s Indicates at what time in seconds the event will occur...

Страница 108: ...tance if five calibration runs are performed and Avg is set to 3 then the last three runs of the five will be used to average the calibration results Date Time The time at which the first automatic calibration or validation should be performed 4 3 3 5 The Status Display screen Description The GC parameter that is being monitored This can be changed with MON2020 s LOI Status Variables screen Value ...

Страница 109: ...his is typically set to 7 bits Stop Bits The number of stop bits This can only be set to 1 in the 370XA Parity The parity check method For RTU mode this should be set to NONE For ASCII mode this can be set to EVEN or ODD MAP File The name of the Modbus MAP file being used by the port The SIM_2251 modbus map is the same registers as the legacy Model 500 2350A C6 application that is commonly pre con...

Страница 110: ...nicate in ASCII or RTU mode depending on the message format received from the host device 4 3 3 7 TCP IP Settings Ethernet 1 IP Address IP address to use to connect to the GC s RJ45 Ethernet port Ethernet 1 Mask Subnet mask for the Eth1 IP address Ethernet 1 Gateway Default gateway address for the Eth1 IP address Ethernet 1 DHCP Indicates whether or not the RJ45 Ethernet port s DHCP feature is ena...

Страница 111: ... the person who is logged in to the gas chromatograph Date Time Indicates the date and time when the alarm condition began State Indicates whether the alarm is active SET or inactive CLR Alarm Msg Describes the alarm condition 4 3 4 2 The Event Log screen User Name User name of the user who made the change Date Time Indicates the date and time when the event occurred Event Msg Displays a descripti...

Страница 112: ...ew Maintenance Log screen This screen can be accessed from the Maintenance Log screen 1 Use the up or down arrow keys to select the appropriate maintenance task from the drop down list 2 Press the Edit key to add the log message to the Maintenance Log screen The entry and its creation date will appear at the top of the log 4 3 5 The GC Control menu 4 3 5 1 The Auto Sequence screen Select the Purge...

Страница 113: ...r to beginning the first analysis Select the Continuous operation check box if you want to allow for the repeated analysis of the selected stream To start a single stream analysis select a stream and then press Enter on the keypad 4 3 5 3 The Halt screen You must be logged in at least at the Regular user level to access this screen If you are not already logged in the Login screen will display To ...

Страница 114: ... the selected stream will be updated with calibration data even if that data is outside the acceptable deviations that are listed in the component data table Select the Purge stream for 60 seconds check box if you want to allow sample gas to flow through the sample loop for 60 seconds prior to beginning the first analysis To start a calibration select a stream and then press Enter on the keypad 4 ...

Страница 115: ... timed events based on peak integration times Runs a calibration Checks the range and order of response factors Adjusts the retention time deviations to avoid peak overlapping Select the Purge stream for 60 seconds check box if you want to allow sample gas to flow through the sample loop for 60 seconds prior to beginning the first analysis To start the process select a stream and then press Enter ...

Страница 116: ... text box 5 Repeat the first three steps Daylight savings time is the practice of temporarily advancing clocks so that afternoons have more daylight and mornings have less Typically clocks are adjusted forward one hour near the start of spring and are adjusted backward in autumn Since the use of daylight savings time is not universal you have the option of enabling or disabling it with the LOI To ...

Страница 117: ...pad to enter your password into the text box NOTICE To enter a letter into an alphanumeric field press the appropriate key to cycle through its options until the desired letter appears For example to enter an H you must press the 4GHI key three times 6 Press the Enter key 4 4 Advanced configuration and operation topics 4 4 1 Validation The 370XA can be configured to validate an analysis of the cal...

Страница 118: ...f its stream selection solenoids By default the fifth stream is configured as the validation stream 1 Start MON2020 and select Streams on the Application menu The Streams window opens 2 Enter the Total Runs and Avg Runs for the validation cycle The total runs is the number of analysis cycles that will be run in total The average runs is the number of runs that will be used to average and then vali...

Страница 119: ...b Select the Start Time for the first validation c Enter the Interval in hours between validation runs NOTICE If you are configuring an auto validation and an auto calibration schedule the validation run to occur at least 30 minutes before the calibration run to provide a validation of the measurement just before the calibration cycle re calculates the response factors 5 Click OK to save the data ...

Страница 120: ... component from the component data table based on the previously entered component click C Copy F8 4 4 1 2 Run a validation Once the validation settings have been configured the validation cycle will begin at the scheduled time if the GC is in Auto mode The validation cycle can also be started by selecting Validation on the Control menu ...

Страница 121: ...tificate must be verified by using the 370XA to analyze the new calibration gas 1 Go to the Tools menu and select Change Cal Cylinder The Calibration Cylinder Replacement Assistant screen displays NOTICE You may be required to log in first The default login values are User emerson Password blank 2 Follow the software assistant s prompts NOTICE Step 6 of 10 The calibration gas concentrations can be...

Страница 122: ...rogen content should typically start high and then decrease as the system is purged with the new gas The screen displays the nitrogen value for each run on the table to the left of the chromatogram Once the nitrogen value has stabilized the last analysis will be compared to the entered certificate values to ensure that the GC is analyzing accurately 4 4 3 Auto valve timing The analytical valves in...

Страница 123: ...ienced user can initiate an adjustment of the valve timing letting the GC s internal algorithm adjust and optimize the valve timing automatically To initiate AVT go to the Control menu from the Local Operator Interface or MON2020 and select Auto Valve Timing The AVT will use the calibration stream to make adjustments The configuration selection provides options for the starting point for the adjus...

Страница 124: ...rm start failure alarm will be triggered and the GC will go into Idle mode 4 4 5 Maintenance mode Maintenance mode allows you to work on the GC while alerting the supervisory system that the current analysis may not be valid and should not be used Maintenance mode triggers a system alarm that can be read as a Modbus Register bit 0 on Register 3046 in the SIM_2251 Modbus map and on the Common Alarm...

Страница 125: ...es that the sample lines and the sample loop are completely purged of the previous stream and the sample loop is full of the next sample to be analyzed A calibration cycle involves running multiple analysis cycles of the calibration gas Because there are multiple runs of the same gas there is no need to purge the sample lines leading up to the sample loop after the first analysis run To conserve t...

Страница 126: ... values can be changed 1 Start MON2020 and select Timed Events on the Application menu The Time Events window opens 2 Locate the first Cal Gas Save event on the Valve Events table This event switches on the Cal Gas Saver feature 3 Enter a new start time in the appropriate Time field 4 Locate the second Cal Gas Save event on the Valve Events table This event switches the Cal Gas Saver feature off 5...

Страница 127: ... assistant which will heat up the oven run carrier gas through the analytical paths and cycle the analytical valves to rapidly purge the system NOTICE The New Module software assistant can also be initiated from the LOI or MON2020 by selecting Module Validation on the Tools menu NOTICE Changing the CPU board will also start the New Module software assistant because of the mismatch between the CPU ...

Страница 128: ... values match the concentrations and the uncertainty on the calibration gas bottle certificate When the oven temperature has stabilized the software assistant will automatically run calibration gas and validate the module The validation will run three analysis cycles of calibration gas and confirm that the analysis is within the pre configured specifications If the analysis is within the specifica...

Страница 129: ...ysis is not within the specifications a Module Validation Fail alarm will be raised and the unit will go into Idle mode In this case refer to Module validation fails on page 7 14 After the calibration cycle is completed the 370XA will then go into Auto mode and begin analyzing the stream gas ...

Страница 130: ...the sample gas es at the isolation valve s in the external sample system that is closest to the GC 3 Turn off the calibration gas at the isolation valve closest to the GC 4 Turn off the carrier and actuation gases at the isolation valve closest to the GC Tools required A 2 mm hex or allen wrench A 4 mm hex or allen wrench ...

Страница 131: ...ence Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 5 2 5 Use a 2 mm hex wrench to loosen the dome locking screw 1 It is located on the left side of the GC above the gas lines 6 Unscrew the dome to remove it ...

Страница 132: ...The grooves are designed to aid you in loosening the dome Do not attempt to use them to tighten the dome 7 Remove the insulation cap WARNING The oven will be approximately 80 C 176 F and hot to the touch 8 Loosen the four 4 mm 5 32 inch hex screws holding the module to the base You may hear the release of some trapped carrier and sample gases If the release is continuous confirm that the sample ca...

Страница 133: ... Chromatograph 7P00370 H01 APRIL 2014 5 4 9 Remove the four hex screws 1 10 Remove the analytical module a Grip the module base and carefully lift it off its housing b While continuing to hold the module disconnect the three connectors ...

Страница 134: ...ew o rings should be installed when a new or overhauled module is installed 5 2 Install the maintainable module The power should remain off the various gases should continue to be isolated external to the GC and the dome should remain off Parts required An analytical module and a pack of ten o rings Tools required A 5mm hex or allen wrench ...

Страница 135: ...ings should never be re used or sourced from third party suppliers 3 Inspect the under side of the new analytical module to ensure that there are no o rings stuck to the module base 4 Connect the solenoid electrical connector to the male connector leading to the solenoids 5 Connect the male 18 pin signal connector to the connector on the IMB circuit board 6 Connect the two pin heater connectors 7 ...

Страница 136: ...valve on the calibration gas supply to the GC 14 Set the sample gas es pressure to 15 PSIG 1 BarG and open the isolation valve to the GC 15 Screw the dome over the analytical module and hand tighten CAUTION The hazardous area flame path seal is a combination of the number of threads and the o ring seal and does not rely on the dome being tightened excessively therefore do not over tightened the do...

Страница 137: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 5 8 ...

Страница 138: ...6 1 Section 6 Overhauling the maintainable module ...

Страница 139: ...rmalized total is erratic and fluctuates with changes in the sample pressure Overhaul the sample shut off valve on page 6 22 The module is contaminated by a large amount of liquids or the response of the detectors has dramatically reduced Replace the detectors on page 6 31 The analyzer has been exposed to significant contamination that resulted in a reduction in the separation of the components Re...

Страница 140: ...e module upside down so that it is resting on its heater cap The stream selection solenoids the sample stream 1 and the calibration stream 2 will be exposed 2 Identify the solenoid s to be replaced 3 Remove the electrical connector from the solenoid a Squeeze the top of the connector b Press the retention lever in c Carefully pull out 4 Unscrew the two 2 5mm hex screws Parts required A replacement...

Страница 141: ...e the solenoid 9 Reconnect the connector to the solenoid ensuring the retention clip engages The connectors are labeled according to the following table 10 Reinstall the module on the 370XA base and analyze gas through each stream to confirm the repair has been successful See After you make the repairs you must test the module and adjust the analytical method valve timings integration events and c...

Страница 142: ...y the solenoid s to be replaced 3 Remove the electrical connector from the solenoid a Squeeze the top of the connector b Press the retention lever in c Carefully pulling out 4 Use the Phillips head screw driver to unscrew the two solenoid retaining screws 5 Remove the solenoid seal 6 Inspect the new solenoid s seal and ensure that it is firmly seated in the base of the solenoid 7 Use the mounting ...

Страница 143: ...owing table 10 Reinstall the module on the 370XA and run an analysis to confirm correct operation See After you make the repairs you must test the module and adjust the analytical method valve timings integration events and calibration settings See Auto valve timing on page 4 37 on page 6 50 Valve label Manifold label Description AV1 AV1 Sample valve AV2 AV2 Back flush valve AV3 AV3 Dual column va...

Страница 144: ...tical valve 1 Hex bolt 6 Lower piston plate 11 Primary diaphragm 2 Flat washer 7 Upper actuator diaphragms 12 Thin guide pin 3 Actuation cap 8 Short pistons 13 O rings 2 4 Lower actuator diaphragms 9 Upper piston plate 14 Thick guide pin 5 Long pistons 10 Cushion diaphragm 15 Actuation base plate ...

Страница 145: ...ponents from the valve place them onto a clean work surface to avoid contaminating the valve components This procedure assumes that you have removed the analytical module from the GC 1 Remove the heater cap from the module Parts required A valve overhaul kit for each valve to be serviced Tools required A vise with aluminum soft jaws or some other protection to avoid marking the analytical valves w...

Страница 146: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 6 9 2 Remove the three hex screws holding down the analytical valve ...

Страница 147: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 6 10 3 Remove the valve by carefully lifting it until it clears the locating pins 1 on the module base ...

Страница 148: ...aph System Reference Manual APRIL 2014 7P00370 H01 6 11 4 Remove the eight o rings 1 from the base of the module and dispose of them 5 Place the analytical valve in the vice clamping onto the flat edges of the valve s base ...

Страница 149: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 6 12 6 Use the socket wrench and socket to remove the valve s center hex bolt 1 7 Remove the flat washer 1 ...

Страница 150: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 6 13 8 Remove the actuation cap plate 1 9 Remove and dispose of the two lower actuation diaphragms 1 ...

Страница 151: ...eference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 6 14 10 Remove the lower piston plate 1 and the three long pistons 2 as one assembly 11 Remove the two upper actuation diaphragms and discard them ...

Страница 152: ...ystem Reference Manual APRIL 2014 7P00370 H01 6 15 12 Remove the upper piston plate 1 and the three short pistons 2 as one assembly 13 Remove and discard the cushioning diaphragm 1 the primary diaphragm 2 and the two o rings 3 ...

Страница 153: ... to the upper sealing surface of the base plate 16 Spray the electrical contact cleaner through each of the ports of the base plate ensuring a clean unobstructed flow through each port 17 Clean the upper sealing surface of the base plate with the electrical contact cleaner 18 Blow down the base plate with clean and dry air 19 Return the two guide pins to the valve s base ...

Страница 154: ...7 20 Place an o ring 1 over each actuation gas port hole 2 The holes are located on the actuation base plate 21 Place the primary diaphragm 1 which has four holes so that the holes in the diaphragm align with the two guide pins and the two actuation gas ports with the o rings ...

Страница 155: ...iaphragm 1 onto the primary diaphragm so that the diaphragm s holes align with the holes of the primary diaphragm 23 Place the upper actuation plate 1 over the actuation base plate with the upper actuation plate s short pistons 2 pointing down The pistons should be flat with the top of the piston plate ...

Страница 156: ...diaphragms over the upper actuation plate so that the diaphragms holes align with the holes in the upper actuation plate 25 Place the lower actuation plate 1 onto the upper actuation plate with the lower actuation plate s long pistons 2 pointing down The pistons should be flat with the top of the piston plate ...

Страница 157: ...r actuation diaphragms 1 over the lower actuation plate so that the diaphragms holes align with the holes in the lower actuation plate 27 Place the actuation cap 1 over the lower actuation plate 28 Insert the hex bolt 1 with its flat washer 2 into the assembled valve s center hole and hand tighten ...

Страница 158: ...e assembly bolt to 20 ft lb 2 76 kg m 30 Set the new o rings into the actuation valve ports on the module base plate 31 Insert the three socket screws into the holes of the analytical valve base plate 32 Align the thick and thin locating pins in the base plate with the locating holes in the analysis valve and install the analysis valve onto the base plate 33 Tighten the socket screws with the 2 5 ...

Страница 159: ... surface to avoid contaminating the valve internals This procedure assumes that you have removed the analytical module from the GC 1 Remove the heater cap from the module 2 Use the 2 5 mm hex or allen wrench to remove the two mounting screws 2 on the sample shut off SSO valve 1 Parts required A sample shut off valve overhaul kit 7A00TBA Tools required A 2 5 mm hex or allen wrench A no residue evap...

Страница 160: ...XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 6 23 3 Remove the two parts of the SSO valve 1 from the module and the locating pin 2 4 Discard the three o rings 1 from the module base ...

Страница 161: ...romatograph 7P00370 H01 APRIL 2014 6 24 5 Remove the locating pin and separate the upper and lower plates of the SSO valve 6 Remove and discard the small o ring 3 the large o ring 2 and the diaphragm 4 from the interior of the SSO valve 1 ...

Страница 162: ...electrical contact cleaner to cleanse the sealing surface of the lower plate 1 and the two sample flow holes 2 through the lower plate 8 Blow down the lower plate with clean and dry air 9 Set one of the small o rings from the kit into the actuation gas path recess 2 on the lower plate 1 ...

Страница 163: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 6 26 10 Turn the upper plate 1 upside down and set the large o ring 3 from the kit into the recess 2 of the upper plate ...

Страница 164: ...ctuating plate so that its o ring is face up and then slide the lower actuating plate over the locating pin and into place on the module base 14 Place the SSO diaphragm from the kit onto the lower plate and align the diaphragm s holes with the holes in the lower plate 15 Slide the upper plate over the locating pin and align the upper plate s mounting holes with the holes in the lower plate 16 Inse...

Страница 165: ... 2 Unclip the electrical connector leading to the carrier pressure control valve 1 3 Use a 2 5mm hex wrench to remove the two carrier pressure control valve mounting bolts 2 4 Carefully lift off the carrier pressure control valve Parts required A carrier pressure control valve kit 7C00024 001 Two sets of o ring kits 7C00030 006 Tools required A 2 5mm hex or allen wrench ...

Страница 166: ...and dispose of the two o rings in the module base 6 Install the new o rings into the module base 7 Use the 2 5mm hex wrench to screw the new carrier pressure control valve onto the module Do not over tighten 8 Re connect the electrical connector and ensure the retention clip is engaged ...

Страница 167: ... carrier gas pressure sensor s 1 electrical connectors 3 from the Intelligent Module Board 2 3 Use the 2 5mm hex wrench to remove the Intelligent Module Board IMB 4 Use the 8mm wrench or small adjustable wrench to gently unscrew the pressure sensor from the module base Parts required A carrier gas pressure sensor kit 7A00053G01 Tools required A 2 5mm hex or allen wrench An 8mm wrench ...

Страница 168: ...B 9 Reconnect the carrier gas pressure sensor s electrical connectors to the IMB 6 7 Replace the detectors NOTICE The detectors should always be replaced as a pair Perform this procedure in a clean environment When removing the components from the valve place them onto a clean work surface to avoid contaminating the detector components This procedure assumes that you have removed the analytical mo...

Страница 169: ...rence Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 6 32 2 Disconnect the detector s electrical connector 2 from the Intelligent Module Board 1 which is located on the under side of the maintainable module ...

Страница 170: ... 7P00370 H01 6 33 3 Remove the large o ring 1 from around the module base to enable the cables from the detector assembly to move freely 4 Pull the cables up through the middle of the columns so that they will not interfere with removing the detector assembly ...

Страница 171: ... the cover will be used to pull off the detector assembly 6 Remove the detector assembly by gently pulling up with a small rocking motion on the heat pipe bracket NOTICE One or both of the heat pipes may stay in the base plate Do not try to remove them because you may bend the soft heat pipes which will reduce their performance 7 Discard the two o rings on the detector block ...

Страница 172: ...minal 12 Use the 1 mm hex or allen wrench to remove the Teflon seals that are in each of the detector recesses Discard the Teflon seals 13 Use electrical contact cleaner to cleanse the sealing surfaces and the two sample flow holes that run through the detector assembly 14 Blow down the detector assembly with clean and dry air nitrogen or helium 15 Insert a new Teflon seal into the bottom of each ...

Страница 173: ...bly onto the detector block with the RTD and cables on the left 24 If a heat pipe remained in the base when the detector was removed reinstall the spring over the heat pipe as the detector assembly is put into place 25 Hand tighten the detector s two mounting screws with a 2 5 mm hex or allen wrench 26 Ensure that the heat pipe cap is moving freely and is at the full extension 27 Route the cables ...

Страница 174: ...en wrench to loosen each of the tubing connector bolts by a turn only NOTICE Do not remove the bolt from the tube connector fitting because the o rings and spacers will come out of the fitting 2 Carefully pull each column end from the tubing connectors 3 Discard the old columns 4 Install the new columns a Insert each column into the appropriate connectors according to the markings on the manifold ...

Страница 175: ...ch NOTICE If the connectors are not tightened correctly there is the potential for a leak The tubing must go through both of the two o rings It is important to follow the procedure and check the fitting before applying gas to the unit d Carefully pull each tube entering the fitting to ensure that it is held by both o rings If a tube is not held by both o rings it will pull out easily and the bolt ...

Страница 176: ...h the column connectors Column 1 Tubing Connector 1 Tubing Connector 2 Tubing Connector 3 Tubing Connector 4 C2 Column 2 Sph Sample Pre Heat Coil Sph Sample Pre Heat Coil SL Sample Loop C1 Column 1 Cph Carrier Pre heat Coil R Restrictor Column SL Sample Loop C4 Column 4 C2 Column 2 R Restrictor Column C4 Column 4 C1 Column 1 C3 Column 3 C2 Column 2 Cph Carrier Pre heat Coil ...

Страница 177: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 6 40 Column 2 ...

Страница 178: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 6 41 Column3 ...

Страница 179: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 6 42 Column 4 ...

Страница 180: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 6 43 Sample Pre Heat Coil Sph ...

Страница 181: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 6 44 Carrier Pre Heat Coil Cph ...

Страница 182: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 6 45 Sample Loop SL ...

Страница 183: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 6 46 Restrictor Column R ...

Страница 184: ...nce Manual APRIL 2014 7P00370 H01 6 47 Completed installation After you make the repairs you must test the module and adjust the analytical method valve timings integration events and calibration settings See Auto valve timing on page 4 37 ...

Страница 185: ...to loosen the tubing connector bolt A by a turn 2 Pull each of the four tubes out of the connector 3 Remove the tubing connector bolt 4 Remove the tubing connector B 5 Remove and dispose of the four upper o rings 6 Remove the four o ring spacers C Parts required 1 packet of replacement o rings 7C00030 006 Tools required A 4 mm hex or allen wrench ...

Страница 186: ...g the center hole of the o ring with the center hole of the spacer 11 Place the tube connector over the o rings and spacers ensuring the holes in the cap align with the o rings and spacers 12 Screw in the mounting bolt and hand tighten 13 Insert the columns into the connector according to Column assignments on page 6 39 and Column drawings on page 6 39 Each of the columns has tags that identify th...

Страница 187: ... a tube is not held by both o rings it will pull out easily and the bolt will need to be loosened and the procedure repeated from step 14 until all four tubes are sealed by the dual o rings 17 After you make the repairs you must test the module and adjust the analytical method valve timings integration events and calibration settings See Auto valve timing on page 4 37 ...

Страница 188: ...for incorrect references Low Battery Voltage The CPU battery voltage is low As the battery is soldered onto the board the CPU board needs to be returned to the factory to replace the battery correctly Stream Skipped There was an error in stream sequencing that resulted in failure to analyze one of the streams in the stream sequence This alarm will occur if a stream usage is switched to Unused in t...

Страница 189: ...h setting on the Heaters screen for Heater 2 must be set to Fixed ON and the Fixed PWM Output set to 0 Detector 1 Scaling Factor Failure The scaling factor generated for the high and low gain preamp channel was outside the acceptable range of values This is typically caused by a fault on the analyzer board which should be replaced Carrier Pressure Low The carrier gas pressure as measured on the ca...

Страница 190: ...elect Streams on the Application menu Set the stream s Usage to Analysis or Unused Stream 2 RF Deviation Stream 3 RF Deviation Stream 4 RF Deviation The response factor for one or more components have changed during a calibration run by a percentage greater than set in the Component Data Table Check that the calibration gas concentration has been entered into the component data table correctly and...

Страница 191: ...is missing in GC A component that is in the component data table stored in a recently installed module is not configured in the GC s existing component data table The component data table of the GC must match with the exception of neo Pentane the component data table of a replacement module Energy Value Invalid If enabled the GC analyzes the calibration gas as an unknown stream and computes its en...

Страница 192: ...n cycle is not within the limits of the energy value entered from the calibration certificate Stored Data Integrity Failure Data associated with the GC s measurement results and logs are stored in the GC along with a 16 bit cyclic redundancy check CRC code When the data is retrieved its integrity is verified by recomputing the CRC code and comparing it with the CRC code stored along with the data ...

Страница 193: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 7 6 7 2 1 The GC won t power up ...

Страница 194: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 7 7 7 2 2 Un normalized total error ...

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Страница 196: ...370XA Gas Chromatograph System Reference Manual APRIL 2014 7P00370 H01 7 9 7 2 3 Carrier pressure ...

Страница 197: ...System Reference Manual 370XA Gas Chromatograph 7P00370 H01 APRIL 2014 7 10 7 2 4 Heater won t reach set point ...

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Страница 209: ...1 Pandan Crescent Singapore 128461 Republic of Singapore T 65 6 777 8211 F 65 6 777 0947 analytical ap emersonprocess com 2014 Emerson Process Management All rights reserved The Emerson logo is a trademark and service mark of Emerson Electric Co Rosemount Analytical and Danalyzer are marks of one of the Emerson Process Management family of companies All other marks are the property of their respec...

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