OPERATION MANUAL MODEL 701 ZERO AIR GENERATOR TELEDYNE ADVANCED POLLUTION INSTRUMENTATION DIVISION (TAPI) 9480 CARROLL PARK DRIVE SAN DIEGO, CA 92121-5201 TOLL-FREE: FAX: TEL: E-MAIL: WEB SITE: 800-324-5190 858-657-9816 858-657-9800 api-sales@teledyne.com www.teledyne-api.
ABOUT THIS MANUAL This M701 Zero Air Generator operation manual is comprised of multiple documents as listed below. Part No. Rev Name/Description 01671 H Operation Manual 02052 M List, Spare Parts (in Appendix A) with Sales for most recent version.
REVISION HISTORY M701 Manual 01671 2011 April 8, Rev H, per DCN 6051 Document Operation Manual P/N 01671 Rev DCN H 6051 Change Summary name in title: from “…Module” to “…Generator” Correct 2010 November 5 , Rev G, per DCN 5875 Document P/N Rev DCN Operation Manual 01671 G 5875 List, Spare Parts List, RSSL Level I Spares Kit Schematic, Controller Board 02052 06172 06477 06619 M C B B 5895 5895 5895 5874 Change Summary Replaced pressure switch with pressure sensor.
SAFETY MESSAGES Important safety messages are provided throughout this manual for the purpose of avoiding personal injury or instrument damage. Please read these messages carefully. Each safety message is associated with a safety alert symbol, and are placed throughout this manual and inside the instrument. The symbols with messages are defined as follows: WARNING: Electrical Shock Hazard HAZARD: Strong oxidizer GENERAL WARNING/CAUTION: Read the accompanying message for specific information.
CONSIGNES DE SÉCURITÉ Des consignes de sécurité importantes sont fournies tout au long du présent manuel dans le but d’éviter des blessures corporelles ou d’endommager les instruments. Veuillez lire attentivement ces consignes. Chaque consigne de sécurité est représentée par un pictogramme d’alerte de sécurité; ces pictogrammes se retrouvent dans ce manuel et à l’intérieur des instruments.
TABLE OF CONTENTS TABLE OF CONTENTS ..................................................................................V LIST OF FIGURES ........................................................................................VII LIST OF TABLES..........................................................................................VII 1 INTRODUCTION .......................................................................................1-1 1.1 PREFACE ..........................................................
5.11 PRESSURE REGULATOR ............................................................................................ 5-8 5.12 PRESSURE GAUGE ................................................................................................... 5-9 5.13 HYDROCARBON SCRUBBER (OPTION) ......................................................................... 5-9 5.14 CO SCRUBBER (OPTION) ........................................................................................ 5-10 5.15 NO SCRUBBER .................
LIST OF FIGURES FIGURE 3-1: FIGURE 3-2: FIGURE 3-3: FIGURE 4-1: FIGURE 5-1: FIGURE 5-2: FIGURE 5-3: FIGURE 5-4: FIGURE 6-1: FIGURE 8-1: FIGURE 8-2: DIMENSIONS ......................................................................................................................... 3-2 FRONT PANEL ...................................................................................................................... 3-3 REAR PANEL ................................................................................
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1 INTRODUCTION 1.1 Preface Teledyne API is pleased that you have purchased the Model 701 (or M701) Zero Air System. The M701 is an excellent source of clean, dry air for dilution calibrators. It also may be used as a source of purge air for permeation tube ovens or burner air for FID analyzers.
INTRODUCTION Teledyne API Model 701 Zero Air Generator 1.2 Using This Manual This manual has the following data structures: TABLE OF CONTENTS Outlines the contents of the manual in the order the information is presented. This is a good overview of the topics covered in the manual. There is also a list of tables, a list of figures and a list of appendices. In the electronic version of the manual, clicking on any of these table entries automatically views that section. 1.
2 SPECIFICATIONS AND WARRANTY 2.1 Specifications Table 2-1. Specifications PARAMETER SPECIFICATION Output STD 20 SLPM @ 30 psig Max delivery pressure 35 psig (Except in some specials that have restricted output) Dewpoint < 15 SLPM 15 SLPM < -20C < -10C SO2 <0.5 ppb NO <0.5 ppb NO2 <0.5 ppb O3 <0.5 ppb HC/CO Options < 0.02 ppm HC / < 0.
Teledyne API Model 701 Zero Air Generator SPECIFICATIONS and WARRANTY 2.2 Warranty WARRANTY POLICY (02024D) (DCN 4473) Prior to shipment, Teledyne API equipment is thoroughly inspected and tested. Should equipment failure occur, Teledyne API assures its customers that prompt service and support will be available.
3 GETTING STARTED 3.1 Unpacking CAUTION To avoid personal injury, always use two persons to lift and carry the Model 701 1. Verify that there is no shipping damage. If there are signs of damage, immediately advise the shipper, then Teledyne API. 2. Remove the M701 from its shipping carton. 3. Remove the cover and check for damage inside. 4. Remove the four red shipping screws holding the compressor base to the bottom of the chassis. These screws are inside the chassis at the bottom, underneath the pump.
GETTING STARTED Teledyne API Model 701 Zero Air Generator Figure 3-1: Dimensions 3-2 01671H (DCN6051)
Teledyne API Model M701 Zero Air Generator GETTING STARTED 3.3 Front and Rear Panels Figure 3-2 and Figure 3-3 illustrate the Model 701 front and rear panels.
Teledyne API Model 701 Zero Air Generator GETTING STARTED 3.4 Electrical And Pneumatic Connections All connections, electric and pneumatic, are made at the rear panel (Figure 3-3). NOTE To maintain compliance with EMC standards, it is required that the cable length be no greater than 3 meters for all I/O connections, which include Analog In, Analog Out, Status Out, Control In, Ethernet/LAN, USB, RS-232, and RS-485. Make the following pneumatic connections: 1.
Teledyne API Model M701 Zero Air Generator GETTING STARTED 3.5 Power-Up 1. 2. 3. 4. Turn on the front panel POWER SWITCH. SeeFigure 3-2. The front panel power indicator should light. The cooling fan should start immediately. The compressor should start after a few seconds delay. The delay is to allow the control board to measure the local line frequency. 5. After 30 to 60 seconds, the front panel pressure gauge should read 30 psig. The Model 701 is now producing clean, dry air.
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4 OPTIONAL HARDWARE AND SOFTWARE This section includes descriptions of the hardware and software options available for the M701 instrument. For assistance with ordering these options please contact the sales department of Teledyne API at: TOLL-FREE: TEL: FAX: E-MAIL: WEB SITE: 800-324-5190 +1 858-657-9800 +1 858-657-9816 apisales@teledyne.com http://www.teledyne-api.com/ 4.1 CO Scrubber (OPT 1B) The CO scrubber catalytically oxidizes CO to CO2.
Teledyne API Model 701 Zero Air Generator OPTIONAL HARDWARE and SOFTWARE CAUTION THE AIR EXITING THE SCRUBBER IS AT 300C (575F). THIS HOT AIR ENTERS THE COPPER TUBING WHERE IT IS COOLED BEFORE IT ENTERS THE NO SCRUBBER. THIS COPPER TUBING AND THE CASING CAN BE VERY HOT. The catalyst is proprietary. It theoretically should never need changing. However, it may become contaminated or poisoned over time so we recommend that the scrubber be replaced once per year or sooner. 4.
Teledyne API Model M701 Zero Air Generator OPTIONAL HARDWARE and SOFTWARE 4.4 Rack Mount Kits (OPT 20A, OPT 20B & OPT 21) There are several options for mounting the analyzer in standard 19” racks. The slides are three-part extensions, one mounts to the rack, one mounts to the analyzer chassis and the middle part remains on the rack slide when the analyzer is taken out. The analyzer locks into place when fully extended and cannot be pulled out without pushing two buttons, one on each side.
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5 OPERATION 5.1 Overview Refer to Figure 5-1, Figure 5-2, and Figure 5-3 for the following: The M701 dries and scrubs ambient air to produce zero air. The compressor draws air in from the rear panel bulkhead union and inlet filter. At the compressor outlet, the air is under pressure and hot from the compression. The relative humidity is high as a result of the high pressure. The air is conducted through the cooling coil where heat is removed by transfer to the cooling fan air.
OPERATION Teledyne API Model 701 Zero Air Generator When air usage is high (say 5-20 LPM), the compressor may run continuously. When air usage is low, the pressure switch turns the compressor off until the storage tank pressure drops to 35 psig, and then turns the compressor on again. THERE IS NO NEED TO TURN OFF THE M701 WHEN AIR USAGE IS LOW.
Teledyne API Model M701 Zero Air Generator OPERATION Figure 5-1: M701 Pneumatic Diagram with HC/CO and Dew Point Sensor Options 01671H (DCN6051) 5-3
OPERATION Teledyne API Model 701 Zero Air Generator Figure 5-2: M701 Pneumatic Diagram with CO and Dew Point Sensor Options 5-4 01671H (DCN6051)
Teledyne API Model M701 Zero Air Generator OPERATION Figure 5-3: Internal Chassis Layout, Plan View 01671H (DCN6051) 5-5
Teledyne API Model 701 Zero Air Generator OPERATION 5.2 Compressor The compressor is a single-cylinder oscillating piston type driven by a split capacitor AC motor. The compressor is dry; that is, there are no lubricants which can contaminate the compressed air. The pistons are sealed by flexible TFE piston rings, and after a short run-in period to seat the rings, should last for years. There are no diaphragms. The compressor is mounted on a sub-plate which is supported on four tuned vibration isolators.
Teledyne API Model M701 Zero Air Generator OPERATION 5.6 Pressure Relief Valve The pressure relief valve is a safety device designed to limit the maximum pressure to which the M701 can be subjected. It is set to open at 90 psig. This can be quite loud when the valve opens and sounds like steam escaping. This is normal operation and does not mean there is a problem with the unit. CAUTION Do not adjust the relief valve. 5.
Teledyne API Model 701 Zero Air Generator OPERATION 5.9 Storage Tank The storage tank serves two functions. As its name implies, it stores air so that when the demand is low, the compressor can be turned off to conserve energy, allowing the storage tank to supply the air requirements. The tank also serves as “filter capacitor”, preventing pulses generated by the drier cycles or water drain valve from reaching the output port on the rear panel.
Teledyne API Model M701 Zero Air Generator OPERATION 5.12 Pressure Gauge The front panel-mounted pressure gauge shows approximately the regulated air pressure available to a calibrator. The gauge will usually indicate 30 psig. If the flow is very low, as in a standby condition, the gauge may read a little higher, say 33 psig. It will move to the correct reading when the air flow is increased. If the pressure drops below 30 psig, it may be because too much air is being commanded.
Teledyne API Model 701 Zero Air Generator OPERATION 5.14 CO Scrubber (option) The CO scrubber catalytically oxidizes CO to CO2. The catalyst is proprietary and operates at room temperature; however, it is heated to approximately 70C to prevent water condensation. It theoretically should never need changing. However, it may become contaminated or poisoned over time so we recommend that it be replaced once per year or sooner if the level of CO in the air is high. 5.
Teledyne API Model M701 Zero Air Generator OPERATION The M701 Control PCB is microcontroller based, and all timing is derived from the AC line. It automatically senses the line frequency (50/60 Hz) and provides the following functions: 1. Cycles the four-way valve of the Regenerative Dryer at 2 minute intervals. 2. Cycles the water drain solenoid valve at 5 minute intervals. 3. Starts and stops the compressor in response to the on board pressure sensor.
OPERATION Teledyne API Model 701 Zero Air Generator Figure 5-4: Control Board Layout 5-12 01671H (DCN6051)
6 MAINTENANCE 6.1 Schedule NOTE The operations outlined in this section are to be performed by qualified maintenance personnel only. Before performing any maintenance, cycle the power on/off and drain any water that may be present (refer to instructions for “Shut Down, Storage and Transportation” in Section 3.6). Table 6-1 presents the maintenance schedule. Table 6-1.
Teledyne API Model 701 Zero Air Generator MAINTENANCE 3. Remove any dirt or dust with a vacuum cleaner. Do not use an air jet. This will only redistribute the dirt and will not remove it. WARNING There are high voltages present while the M701 is plugged in 6.3 Checking The Tubing 1. Under the vibration of the compressor, it is possible for some parts of the TFE tubing to abrade against nearby objects. This is most likely to occur with the tubing directly attached to the compressor. 2.
Teledyne API Model 701 Zero Air Generator MAINTENANCE 6.4 Replacing The Charcoal Scrubber 1. Turn off the M701 and wait for the pressure to go to zero. 2. Open the front panel, or remove the top cover. 3. Remove the 1/4” tubing connected to the top of the scrubber canister. 4. Undo the Velcro strap freeing the cannister. 5. Remove the 1/4” tubing connected to the bottom of the canister. 6. Unscrew the cap of the canister. 7. Pull out the pad from the top of the canister. 8.
Teledyne API Model 701 Zero Air Generator MAINTENANCE 6.6 Replacing The CO - CO2 Scrubber 1. Turn off power and unplug the M701. 2. Disconnect the CO-CO2 scrubber at the Controller. 3. Lift out the scrubber by removing the two screws under the chassis and the two pneumatic fittings. CAUTION The scrubber will be hot. 4. Allow the scrubber to cool. 5. Lift the cartridge from the white insulator by removing the two screws underneath. 6.
Teledyne API Model 701 Zero Air Generator MAINTENANCE 6.7 Replacing The HC Scrubber 1. Turn off power and unplug the M701 power cord. 2. Disconnect the HC scrubber power at the Control PCA. 3. Remove the heat shield from the HC scrubber. 4. Disconnect the pneumatic connections at the CHARCOAL SCRUBBER INLET AND AT THE REAR END OF THE COPPER COOLING COIL, using 1/2 and 9/16 wrenches. CAUTION Wait for the scrubber to cool. The scrubber casing and the copper cooling coil will be very hot. 5.
MAINTENANCE Teledyne API Model 701 Zero Air Generator 6.8 Servicing The Regenerative Dryer It is unlikely that the Regenerative Dryer should ever need service. Should the molecular sieve become contaminated by oil or other external contaminants, the dryer will need to be cleaned and recharged. See Figure 6-1. 1. Turn off and unplug the M701, plug in and turn on again and remove any water in bowl. 2. Allow the pressure to bleed to zero. 3.
Teledyne API Model 701 Zero Air Generator MAINTENANCE 18. Place the upper manifold on top of the two columns. Be sure that the columns are really in the grooves. (Wiggle the columns sideways. You should feel that the columns are trapped in the grooves.) 19. Replace the nuts and lock-washers on the three tie rods BUT DO NOT TIGHTEN THEM. 20. Push down hard in the center of the upper manifold with one hand and finger-tighten the nuts until you feel a soft resistance. 21.
MAINTENANCE Teledyne API Model 701 Zero Air Generator Figure 6-1: Regenerative Dryer 6-8 01671H (DCN6051)
Teledyne API Model 701 Zero Air Generator MAINTENANCE 6.9 Changing The 4-Way Valve (in the Regenerative Dryer) 1. Remove the Regenerative Dryer from the chassis as described in 5.9 above. 2. Disconnect the two tubing connections and the electrical connection to the 4-way valve. 3. Remove the 4-way valve bracket from the regenerative upper manifold. 4. Remove the 4-way valve from the bracket. 5. Attach a new valve, complete with tube fittings and muffler(s). 6. Attach the bracket to the upper manifold. 7.
Teledyne API Model 701 Zero Air Generator MAINTENANCE NOTE This procedure checks the majority of the components and fittings. If you believe that there is still a leak, please contact Customer Service at (858) 657-9800. 6.12 Particulate Filter Element Replacement Replace the particulate filter located at the “Air In” inlet on the rear panel (refer to Figure 3-3) as follows: 1. Remove the particulate filter (Teledyne API, P/N FL15) cap by turning it counter-clockwise. 2.
7 TROUBLESHOOTING This section presents possible problems and their causes and solutions. Problem Probable Cause Unplugged power cord. Power light does not come Incorrect line voltage. on. Tripped power switch/circuit breaker. Corrective Action Plug in power cord at both ends. Refer to Table 3-1 for the correct line voltage. Untrip power switch/circuit breaker. VDC power supply failed. Replace power supply. Tank pressure is above the cut-out pressure. No action. Pressure will drop as air is used.
Teledyne API Model 701 Zero Air Generator TROUBLESHOOTING Problem Instrument vibrates excessively. (continued) Pressure does not increase to 30 psig. Probable Cause Screws securing the compressor to the base plate are loose. Tighten the screws. The tubing attached to the compressor is vibrating against a component. Adjust the placement of the tubing. Air demand to too high. Maximum air flow is 30 SLPM. No action. Pressure will drop as air is used. Air Inlet impeded.
8 A PRIMER ON ELECTRO-STATIC DISCHARGE Teledyne API considers the prevention of damage caused by the discharge of static electricity to be extremely important part of making sure that your analyzer continues to provide reliable service for a long time. This section describes how static electricity occurs, why it is so dangerous to electronic components and assemblies as well as how to prevent that damage from occurring. 8.
A Primer on Electro-Static Discharge Teledyne API Model 701 Zero Air Generator Table 8-1. Static Generation Voltages for Typical Activities MEANS OF GENERATION 65-90% RH 10-25% RH 1,500V 35,000V Walking across vinyl tile 250V 12,000V Worker at bench 100V 6,000V Poly bag picked up from bench 1,200V 20,000V Moving around in a chair padded with urethane foam 1,500V 18,000V Walking across nylon carpet 8.
Teledyne API Model 701 Zero Air Generator A Primer on Electro-Static Discharge Potentially damaging electro-static discharges can occur: Any time a charged surface (including the human body) discharges to a device. Even simple contact of a finger to the leads of a sensitive device or assembly can allow enough discharge to cause damage. A similar discharge can occur from a charged conductive object, such as a metallic tool or fixture.
A Primer on Electro-Static Discharge Teledyne API Model 701 Zero Air Generator A charge can be induced onto the conductive surface and/or discharge triggered in the presence of a charged field such as a large static charge clinging to the surface of a nylon jacket of someone walking up to a workbench.
Teledyne API Model 701 Zero Air Generator A Primer on Electro-Static Discharge Simply touching a grounded piece of metal is insufficient. While this may temporarily bleed off static charges present at the time, once you stop touching the grounded metal new static charges will immediately begin to re-build. In some conditions, a charge large enough to damage a component can rebuild in just a few seconds.
A Primer on Electro-Static Discharge Teledyne API Model 701 Zero Air Generator Use a wrist strap terminated with an alligator clip and attach it to a bare metal portion of the instrument chassis. This will safely connect you to the same ground level to which the instrument and all of its components are connected. 2. Pause for a second or two to allow any static charges to bleed away. 3. Open the casing of the analyzer and begin work.
Teledyne API Model 701 Zero Air Generator A Primer on Electro-Static Discharge 2. Never carry the component or assembly without placing it in an anti-ESD bag or bin. 3. Before using the bag or container allow any surface charges on it to dissipate: If you are at the instrument rack, hold the bag in one hand while your wrist strap is connected to a ground point. If you are at an anti-ESD workbench, lay the container on the conductive work surface. In either case wait several seconds. 4.
A Primer on Electro-Static Discharge Teledyne API Model 701 Zero Air Generator 8.5.5 Packing Components for Return to Teledyne API’s Customer Service Always pack electronic components and assemblies to be sent to Teledyne API’s Customer Service in anti-ESD bins, tubes or bags. WARNING DO NOT use pink-poly bags. NEVER allow any standard plastic packaging materials to touch the electronic component/assembly directly.
APPENDIX A - SPARE PARTS Note Use of replacement parts other than those supplied by TAPI may result in noncompliance with European standard EN 61010-1. Note Due to the dynamic nature of part numbers, please refer to the Website at http://www.teledyne-api.com or call Customer Service at 800-324-5190for more recent updates to part numbers.
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SPARE PARTS LIST M701H Ref: 04825F (DCN5895) Part Number 005960000 005970000 006900100 066780000 066780100 073440000 016920000 073380000 017710000 017960000 018490000 036260000 040370200 066180000 066780000 066780100 057270000 FL0000044 FL0000015 FL0000016 HW0000190 HW0000396 HW0000395 HW0000396 OR0000058 PU0000090 VA0000012 VA0000014 VA0000016 VA0000017 01671H DCN6051 Description AKIT, EXPEND, 6LBS ACT CHARCOAL AKIT, EXPENDABLE, 6LB PURAFIL RETAINER PAD CHARCOAL, LARGE, 2-1/4" ASSY, PUMP w/BRKT, M701H,
Reference 07346A (DCN5895) Recommended Spare Parts Stocking Level: Standard Part Number 017960000 066180000 036260000 066780000 * Description ASSY, FAN M701/M701H PCA, CONTROL BOARD, M701H ASSY, 4-WAY VALVE, PARKER, M701 ASSY, PUMP, W/BASE, 100-115V, GAST FILTER, COALESCING, .
Reference 07344A (DCN5895) Part Number 005960000 005970000 006900100 016920000 057270000 FL0000016 OR0000058 01671H DCN6051 Description AKIT, EXP, 6LBS ACT CHARCOAL AKIT, EXP, 6LBS PURIFIL RETAINER PAD CHARCOAL, LARGE, 2-1/4" AKIT, EXP KIT, MOL SIEVE GASKET SCRUBBER FILTER ELEMENT, PAPER, FOR FL15 ORING, 2-228V, DRYER QTY 1 1 8 1 4 2 4 A-5
LEVEL 1 SPARES KIT M701H Ref: 07345A (DCN5895) Part Number 03626000A 066180000 CB0000004 FA0000006 FL0000011 FL0000044 HE0000017 OR0000058 PU0000090 VA0000017 A-6 Description Valve, 4-way, regenerative scrubber PCA, CONTROL BOARD, M701H Fuse, 3A, SB (HC temp control) Fan, cooling Filter, final Filter, water coalescing Heater, CO scrubber O-ring, 2-228V Kit, Pump Rebuild, for M701H Valve, water drain 01671H DCN6051
APPENDIX B - Schematics 01671H (DCN6051) B-1
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1 2 3 4 COD1 D1 A PID101 PF240D25 IN- fuse1 PIPTC101 PIPTC102 A 9 PIT109 3PIT103 4PIT104 +5V COPTC1 PTC1 10 PIT1010 6PIT106 COT1 T1 12 PO0V +V PID202 1N4007 fuse2PIPTC201 PIT1012 +V COD2 D2 diode1 PID201 4 3 7 PIT107 1PIT101 PIK103 PIK104 2 1 PIK10 PIK102 PID102 1N4007 IN+ AC AC COK1 K1 PIPTC202 diode2 COPTC2 PTC2 COK2 K2 PIK203 PIK204 +5V IN- PIK20 B 4 3 IN+ 4-WAY 2 PIK201 1 B AC GA8-6B02 AC PUMP PUMP-ON POUM0ON PO40WAY0VALVE 4-WAY-VALVE AC-HOT
1 2 3 4 A A COTP7 TP7 COTP8 TP8 PITP701 +V +5V PITP801 1 PIVR101 PIC101 + PIC102 PIC301 PIC302 COC1 C1 6800uF 16V VI VO PIVR102 COC3 C3 +5V 3 PIVR103 COVR1 VR1 2 PO0V +V GND 7805 PIC401 PIC402 0.1uF PIC201 + COC4 C4 0.
2 +5V 3 PIR201 A PIR301 POSCL SCL POSDA SDA COR2 R2 COR3 R3 2.2K 2.2K PIR20 A PIR302 PIC702 B I/O-SPARE PIR10 1 PIC701 SCL PIJP101 1 SDA PIJP103 3 PIJP105 5 PIJP107 7 PIJP109 9 PIJP1011 11 PIJP1013 13 PIR701 PIR801 PIR901 COR7 R8 COR9 R7 COR8 R9 1K PIR10 2 +5V-REF 2 4 6 8 10 12 14 RX TX PIJP102 PIJP104 PIJP106 PIR402 PIJP108 PIJP1010 COR4 R4 4.7K PIJP1012 PIJP1014 PIR401 HEADER 7X2 PIDS10 PIR502 COR5 R5 4.7K PIR501 1K PIR1 0 PIR702 PIR802 PIR902 2M 0.
1 2 3 4 +5V PIR1501 PIR1601 COR14 R14 COR15 R15 2.2K 4.
1 2 3 4 K-Type Thermocouple CODS8 DS8 + _ +5V PIDS802 PIR2601 PIR2602 A POSCL SCL 2.2K RED 1 2 COR26 R26 PIDS801 COJ12 J12 PIJ1201 PIJ120 POSDA SDA A +V COC16 C16 S3 PIH10S3 BASE ADDR: 0x90 S1 S2 PIH10S2 V- Out PIH10R1 1 PIH101 SDA +V 8 PIH108 2 PIH102 SCL A0 7 PIH107 3 PIH103 TCR A1 6 PIH106 4 PIH104 GND INT 5 PIH105 10 PIH1010 COC15 C15 0.1uF PIU603 2 COR1 R1 499 COR30 R30 100K 4 1 1.0uFPIC1801 PIR30 1 PIR320 COR32 R32 6.81K COU6 U6 OPA340UA 0.