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CONTENTS 6.3.3 BRAIN TERMINAL BT200 Connection ........6-2 6.3.4 Check Meter Connection .............. 6-2 Wiring ....................6-2 6.4.1 Loop Configuration ............... 6-2 (1) General-use Type and Flameproof Type ........6-2 (2) Intrinsically Safe Type ..............6-2 6.4.2 Wiring Installation ................. 6-3 (1) General-use Type and Intrinsically Safe Type ......
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CONTENTS (14) Test Output Setup ..............8-14 (15) User Memo Fields ..............8-14 Displaying Data Using the BT200 ............. 8-15 8.4.1 Displaying Measured Data ............8-15 8.4.2 Display Transmitter Model and Specifications ......8-15 Self-Diagnostics ................8-15 8.5.1 Checking for Problems ............... 8-15 (1) Identifying Problems with BT200 ..........
It may also be used to alert against permission. unsafe practices . • Yokogawa makes no warranty of any kind with regard to this manual, including, but not limited to, implied warranty of merchantability and fitness for a particular purpose.
1. INTRODUCTION (f) Modification • In case of high process temperature, care should be • Yokogawa will not be liable for malfunctions or taken not to burn yourself because the surface of damage resulting from any modification made to this body and case reaches a high temperature.
Se si desidera ricevere i manuali operativi di prodotti Ex in lingua locale, mettersi in Alle Betriebsanleitungen für ATEX Ex bezogene contatto con l’ufficio Yokogawa più vicino o con un Produkte stehen in den Sprachen Englisch, Deutsch rappresentante.
2. HANDLING CAUTIONS HANDLING CAUTIONS This chapter describes important cautions regarding 2.1 Model and Specifications how to handle the transmitter. Read carefully before Check using the transmitter. The model name and specifications are indicated on the The EJA Series pressure transmitters are thoroughly tested at the factory before shipment.
2. HANDLING CAUTIONS 2.4 Selecting the Installation 2.6 Waterproofing of Cable Location Conduit Connections The transmitter is designed to withstand severe Apply a non-hardening sealant to the threads to environmental conditions. However, to ensure stable waterproof the transmitter cable conduit connections. and accurate operation for years, observe the following (See Figure 6.4.2a, 6.4.2b and 6.4.2d.) precautions when selecting an installation location.
• Intrinsically Safe Apparatus Parameters or explosionproof construction is damaged and may cause [Groups A, B, C, D, E, F and G] dangerous condition. Please contact Yokogawa for any Vmax = 30 V Ci = 22.5 nF repair or modification required to the instrument.
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CAUTION: OPEN CIRCUIT BEFORE REMOV- • The instrument modification or parts replacement by ING COVER. FACTORY SEALED, CONDUIT other than authorized representative of Yokogawa SEAL NOT REQUIRED. INSTALL IN ACCOR- Electric Corporation is prohibited and will void DANCE WITH THE INSTRUCTION MANUAL Factory Mutual Intrinsically safe and Nonincendive IM 1C22.
(FM Intrinsically Safe or FM by other than authorized representative of Explosionproof) for use in hazardous loca- Yokogawa Electric Corporation and Yokogawa tions. Corporation of America is prohibited and will void Note 1. For the installation of this transmitter,...
Yokogawa Electric Corporation and Yokogawa Note 2. In order to avoid confusion, unnecessary Corporation of America is prohibited and will void marking is crossed out on the label other Canadian Standards Explosionproof Certification.
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IECEx Certified EJA Series Pressure • The instrument modification or parts replacement Equipment [nL] Transmitters by other than authorized representative of Yokogawa Electric Corporation and will void Supply – – IECEx Intrinsically safe and type n certification. Not Use • The cable entry devices and blanking elements for...
• The instrument modification or parts replacement [Installation Diagram] by other than authorized representative of Hazardous Location Nonhazardous Location Yokogawa Electric Corporation is prohibited and will void IECEx Certification. Transmitter 2.9.4 CENELEC ATEX (KEMA) Safety Barrier *1 Supply Certification –...
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Note 5. Maintenance and Repair Yokogawa Electric Corporation is prohibited and • The instrument modification or parts replacement will void Type of Protection “n”. by other than authorized representative of...
12A819857 The instrument modification or parts replacement The year 2001 by other than authorized Representative of Yokogawa Electric orporation is prohibited and *2: “180-8750” is a zip code which represents the will void the certification. following address. 2-9-32 Nakacho, Musashino-shi, Tokyo Japan...
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2. HANDLING CAUTIONS b. TIIS Intrinsically Safe Type CAUTION The model EJA Series pressure transmitter with optional (For TIIS flameproof type without integral indicator) code /JS3, which has obtained certification according to technical criteria for explosionprotected construction of When the fill fluid near the sensor part moves electric machinery and equipment (Standards Notifica- from within, the instrument outputs a failure tion No.556 from the Japanese Ministry of Labor) con-...
Please use this instrument in the industrial environment only. NOTE YOKOGAWA recommends customer to apply the Metal Conduit Wiring or to use the twisted pair Shield Cable for signal wiring to conform the requirement of EMC Regulation, when customer installs the EJA Series Transmitters to the plant.
4. INSTALLATION INSTALLATION 4.1 Precautions Vertical pipe mounting Before installing the transmitter, read the cautionary notes in Section 2.4, “Selecting the Installation Location.” For additional information on the ambient Transmitter conditions allowed at the installation location, refer to mounting bolt Subsection 10.1 “Standard Specifications.”...
4. INSTALLATION Vertical pipe mounting(Manifold upside) 4.3 Rotating Transmitter Section The DPharp transmitter section can be rotated in 90 segments. 1) Remove the two Allen screws that fasten the Mounting bracket transmitter section and capsule assembly, using the Allen wrench. 50 mm(2-inch) pipe 2) Rotate the transmitter section slowly in 90 seg- ments.
4. INSTALLATION 4.4 Changing the Direction of Integral Indicator IMPORTANT Always turn OFF power, release pressure and remove a transmitter to non-hazardous area before disassembling and reassmbling an indicator. An integral indicator can be installed in the following three directions. Follow the instructions in section 9.4 for removing and attaching the integral indicator.
5. INSTALLING IMPULSE PIPING INSTALLING IMPULSE PIPING 5.1 Process Piping Installation (2) Tightening the Process Connector Mount- Precautions ing Bolts The transmitter is shipped with the process connector The manifold contains a small-bore orifice. For the mounting bolts only loosely tightened. After connect- transmitter of a high pressure connection right side, the ing the process piping, tighten these bolts uniformly to orifice is placed facing such a direction as to enable...
5. INSTALLING IMPULSE PIPING (2) Pipe Size for Process Piping • The high pressure connecting port on the transmit- Use a 15 mm (1/2-inch) pipe for process piping ter is shown on the right (as viewed from the front). connection to the process connector. •...
6. WIRING WIRING 6.1 Wiring Precautions CAUTION When selecting cables for TIIS flameproof type IMPORTANT transmitters, determine cables' maximum allow- able heat resistance depending on the tempera- • Lay wiring as far as possible from electrical ture condition on the transmitter. See Section noise sources such as large capacity transform- 2.9.5 TIIS Certification for details.
6. WIRING 6.3.3 BRAIN TERMINAL BT200 Connec- 6.4.1 Loop Configuration tion Since the DPharp uses a two-wire transmission system, Connect the BT200 to the SUPPLY + and – terminals signal wiring is also used as power wiring. (Use hooks). The communication line requires a DC power is required for the transmitter loop.
Proper tightening is important. If it is too tight, a • Use only flameproof packing adapters approved by circuit break in the cable may occur; if not tight Yokogawa. enough, the flameproof effectiveness will be • Apply a nonhardening sealant to the terminal box compromised.
6. WIRING 6.6 Power Supply Voltage and Flameproof metal conduit wiring • A seal fitting must be installed near the terminal box Load Resistance connection port for a sealed construction. When configuring the loop, make sure that the external • Apply a non-hardening sealant to the threads of the load resistance is within the range in the figure below.
7. OPERATION OPERATION 7.1 Preparation for Starting Stop valve(downstream side) Operation Manifold The Model EJA115 low flow transmitter measures the flow rates of liquids and gases. This section describes Stop valve (upstream side) the operation procedure for the EJA115 as shown in Figure 7.1 (vertical impulse piping type, high-pressure connection: right side) when measuring a liquid flow rate.
7. OPERATION BT200 NOTE Output signal (%) PARAM If any of the error indications above appears on A10:OUTPUT(%) display 0.0 % the display of the integral indicator or BT200, A11:ENGR OUTPUT refer to Subsection 8.5.2 for corrective action. A20:AMP TEMP DATA DIAG PRNT...
7. OPERATION 7.3 Starting Operation 7.4 Shutting Down Operation After completing the zero point adjustment, follow the Shut down the transmitter operation as follows. procedure below to start operation. 1) Turn off the power. 2) Close the stop valves on the up and downstream 1) Open the stop valve on the upstream side.
7. OPERATION Equivalent Air Flow Calculation 7.5.2 Example of Calculation 273.15 + t = 0.5356 . Qn Fluid: gas (Nitrogen gas) 101.325+ p Flow range: 0 to 25 Nm /h (flow rate at 0 C, 1 atm) Normal flow rate: 18 Nm Where, Qo: Air equivalent volumetric flow at 0 C, Specific density: 1.251 kg/Nm (specific density at 0 C,...
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7. OPERATION 0.05 Differential Pressure (kPa) 0.508 0.864 1.511 2.527 4.039 6.350 0.01 0.05 Equivalent water flow(liter/min at 0 C, 1 atm) F0707.EPS Figure 7.5.1 Relationship between Equivalent Water Flow and Differential Pressure 1000 Differential Pressure 0.508 0.864 1.511 2.527 4.039 6.350 (kPa)
7. OPERATION 7.6.2 Venting Gas 7.6 Venting or Draining Transmit- ter Pressure-detector Section 1) Gradually open the vent screw to vent gas from the transmitter pressur-detector section. (See Figure Since this transmitter is designed to be self-draining 7.6.2.) and self-venting with vertical impulse piping connec- 2) When the transmitter is completely vented, close tions, neither draining nor venting will be required if the vent screw.
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7. OPERATION 6) Press the range-setting push-button. The integral indicator then displays “HSET.” (Note 1) 7) Apply a pressure of 20 kPa to the transmitter. 8) Turn the external zero-adjustment screw in the desired direction. The integral indicator displays the (Note 2) output signal in %.
8. BRAIN TERMINAL BT200 OPERATION BRAIN TERMINAL BT200 OPERATION The DPharp is equipped with BRAIN communications 8.2 BT200 Operating Procedures capabilities, so that range changes, Tag No. setup, monitoring of self-diagnostic results, and zero point 8.2.1 Key Layout and Screen Display adjustment can be handled by remote control via Figure 8.2.1a shows the arrangement of the operating BT200 BRAIN TERMINAL or CENTUM CS console.
8. BRAIN TERMINAL BT200 OPERATION 8.2.2 Operating Key Functions Use the function key [F1] to enter symbols. The CODE following symbols will appear in sequence, one at a (1) Alphanumeric Keys and Shift Keys time, at the cursor each time you press [F1] CODE: You can use the alphanumeric keys in conjunction with / .
FEED 4. LCD contrast setting 5. Adjusting printout tone (UTIL) (BT200-P00 only) PARAM 01:MODEL EJA115-DM INITIAL 02:TAG NO. FUNC DATA YOKOGAWA 1.MENU (ESC) SCREEN 03:SELF CHECK 2.UPLOAD TO BT200 GOOD 3.DOWNLOAD TO INST 4.PRINT ALL DATA HOME (SET) (ADJ) (HOME MENU SCREEN)
8. BRAIN TERMINAL BT200 OPERATION 8.3 Setting Parameters Using the BT200 8.3.1 Parameter Summary Instruments to which applicable: F: Differential pressure transmitters EJA110, EJA120, EJA118W, EJA118N, EJA118Y, and EJA115 P: Pressure transmitters EJA310, EJA430, EJA438W, and EJA438N L: Liquid level transmitters EJA210 and EJA220 Applica- Rewrita-...
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8. BRAIN TERMINAL BT200 OPERATION Applica- Rewrita- bility Item Description Remarks Default Value bility AUX SET 1 Auxiliary setting data 1 Menu name — D31 STAT. P. UNIT Static pressure setting Selected from mmH O, mmAq, As specified when ordered. —...
8. BRAIN TERMINAL BT200 OPERATION 8.3.2 Parameter Usage and Selection IMPORTANT Before describing the procedure for setting parameters, If the transmitter is turned off within 30 seconds we present the following table showing how the after parameters have been set, the set data will parameters are used and in what case.
This is the panel for confirming C10:TAG NO. Set or change the parameters as necessary. After set data. The set data items flash. YOKOGAWA FIC-1a completing these, do not fail to use the “DIAG” key to When all items have been confir-...
8. BRAIN TERMINAL BT200 OPERATION b. Setting Calibration Range Lower • Example 2: With present settings of 0 to 30 kPa, Range Value and Higher Range Value set the Higher range value to10 kPa. (C21: LOW RANGE, C22: HIGH RANGE) Set 10.
8. BRAIN TERMINAL BT200 OPERATION (4) Output Mode and Integral Indicator Dis- • Example: Change the low cut setting range play Mode Setup (C40: OUTPUT MODE) from 10% to 20%, and the low The mode setting for the output signal and the integral cut mode from LINEAR to ZERO.
8. BRAIN TERMINAL BT200 OPERATION (6) Integral Indicator Scale Setup • Example: Change the low cut setting range The following 5 displays are available for integral from 10% to 20%, and the low indicators. cut mode from LINEAR to ZERO. Set “20.”...
8. BRAIN TERMINAL BT200 OPERATION b. Setting User-set Engineering Unit c. Lower and Higher Range Value Setup (D21: DISP UNIT) in Engineering Unit (D22: DISP LRV, D23: DISP HRV) This parameter allows entry of the engineering units to These parameter items are used to set the lower and be displayed on the BT200.
8. BRAIN TERMINAL BT200 OPERATION (8) Unit Setup for Displayed Static Pressure (10) Output Status Display/Setup when a CPU (D31: STAT.P.UNIT) Failure (D52: BURN OUT) Follow the procedure below to change the static This parameter displays the status of 4 to 20 mA DC pressure units.
8. BRAIN TERMINAL BT200 OPERATION (12) Range Change while Applying Actual Note that changing the higher range value does not Inputs (H10: AUTO LRV, H11: AUTO HRV) cause the lower range value to change but does change This feature allows the lower and higher range values the span.
8. BRAIN TERMINAL BT200 OPERATION (14) Test Output Setup (K10: OUTPUT X%) (a) Follow the procedure below when setting the present output to 0% (4 mA). This feature can be used to output a fixed current from 3.2 mA (–5%) to 21.6 mA (110%) for loop checks. Output is 0.5%.
• Example 2: Setting entry errors A20:AMP TEMP The initial data panel shows the PARAM 01:MODEL EJA115-DM result of current transmitter 02:TAG NO. F0834.EPS YOKOGAWA diagnostics. 03:SELF CHECK ERROR 8.4.2 Display Transmitter Model and Specifications PARAM Press the (DIAG) key in the...
8. BRAIN TERMINAL BT200 OPERATION (2) Checking with Integral Indicator • Example 3: Checking the history of the errors Connect the BT200 to the MENU NOTE J:ADJUST K:TEST transmitter, and call item “P.” M:MEMO P:RECORD If an error is detected in the self-diagnostic, an error number is displayed on the integral indica- HOME tor.
8. BRAIN TERMINAL BT200 OPERATION 8.5.2 Errors and Countermeasures The table below shows a summary of error messages. Table 8.5.1 Error Message Summary Integral Output Operation Indicator BT200 Display Cause Countermeasure during Error Display None GOOD ERROR ---- Capsule problem. Outputs the signal Replace capsule.
9. MAINTENANCE MAINTENANCE 9.1 Overview 9.2 Calibration Instruments Se- lection WARNING Table 9.2.1 shows the instruments required for calibra- tion. Select instruments that will enable the transmitter Since the accumulated process fluid may be to be calibrated or adjusted to the required accuracy. toxic or otherwise harmful, take appropriate care The calibration instruments should be handled carefully to avoid contact with the body, or inhalation of...
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0.1% level, there are difficulties in calibration to this level in the field. For calibration to the 0.1% level, contact Yokogawa representatives from which the instrument was purchased or the nearest Yokogawa office.
Slotted screwdriver a transmitter. If such modification is absolutely Allen wrenches JIS B4648 required, contact Yokogawa. One each, nominal 3 and 5 mm Allen wrenches Wrench Width across flats, 17 mm This subsection describes the procedure for replacing...
9. MAINTENANCE Mounting the CPU Assembly 1) Align both the LCD board assembly and CPU assembly connectors and engage them. 1) Connect the flat cable (with black connector) 2) Insert and tighten the two mounting screws. between the CPU assembly and the capsule. 3) Replace the cover.
9. MAINTENANCE 9.4.4 Cleaning Manifold Assembly and NOTE Replacing Orifice Exercise care as follows when reassembling the This subsection describes the procedures for cleaning manifold assembly. (See Figure 9.4.4.) the manifold assembly and replacing the orifice to • Be careful not to reassemble the orifice in the change flow rate.
1) Insert the capsule assembly between the flange bolts, paying close attention to the relative positions Yokogawa. The user is permitted, however, to replace a of the H (high pressure side) and L (low pressure side) marks on the capsule assembly.
• Output value is inconsistent with value inferred for process variable. If you have difficulty isolating or correcting a problem, contact Yokogawa service personnel. Connect BRAIN TERMINAL and check self-diagnostics. 9.5.1 Basic Troubleshooting First determine whether the process variable is actually...
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Were appropriate instruments used for Adjust the zero point. calibration? Refer to Section 9.2 when selecting instruments for calibration. Contact Yokogawa service personnel. F0909.EPS Is output adjusted correctly? Adjust the output. Is orifice clogged with dust, etc? Refer to Subsection 9.4.4 to clean the manifold assembly.
10. GENERAL SPECIFICATIONS 10. GENERAL SPECIFICATIONS Damping Time Constant (1st order): 10.1 Standard Specifications The sum of the amplifier and capsule damping time constant must be used for the overall time Refer to IM 01C22T02-01E for F OUNDATION constant. Amp damping time constant is adjustable Fieldbus communication type and IM 01C22T03- from 0.2 to 64 seconds.
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10. GENERAL SPECIFICATIONS HART Communication Distance; Atmospheric 100{750} Up to 1.5 km (1 mile) when using multiple twisted pressure Working pair cables. Communication distance varies pressure depending on type of cable used. kPa abs Use the following formula to determine cable {mmHg abs} length for specific applications: Applicable range...
10. GENERAL SPECIFICATIONS 10.2 Model and Suffix Codes Model EJA115 [Style: S3] Model Suffix Codes Description ..... . . EJA115 Low Flow transmitter -D .
10. GENERAL SPECIFICATIONS 10.3 Optional Specifications For F Fieldbus explosion protected type, see IM 01C22T02-01E. OUNDATION For PROFIBUS PA explosion protected type, see IM 01C22T03-00E. Item Description Code FM Explosionproof Approval Explosionproof for Class I, Division 1, Groups B, C and D Dust-ignitionproof for Class II/III, Division 1, Groups E, F and G Hazardous (classified) locations, indoors and outdoors (NEMA 4X) Division 2, ‘SEALS NOT REQUIRED’,...
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10. GENERAL SPECIFICATIONS Item Description Code CSA Explosionproof Approval Certificate: 1089598 Explosionproof for Class I, Division 1, Groups B, C and D Dustignitionproof for Class II/III, Division 1, Groups E, F and G Division2 ‘SEALS NOT REQUIRED’ , Temp. Class: T4, T5, T6 Encl Type 4x Max.
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10. GENERAL SPECIFICATIONS Item Description Code Amplifier cover only Color change Painting Amplifier cover and terminal cover, Munsell 7.5 R4/14 Coating change Epoxy resin-baked coating Transmitter power supply voltag: 10.5 to 32 V DC (10.5 to 30 V DC for intrinsically safe Lightning protector type, 9 to 32 V DC for F Fieldbus and PROFIBUS PA communication type.)
INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS INTRINSICALLY SAFE EQUIPMENT INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS INTRINSICALLY SAFE EQUIPMENT Apparatus Certified Under Technical Criteria (IEC-compatible Standards) and from “RECOMMENDED PRACTICES for Explosion-Protected Electri- cal Installations in General Industries,” published in 1979 1.
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INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS INTRINSICALLY SAFE EQUIPMENT (2) For pressure transmitters, pH transmitters, temperature — when up to two countable faults are applied and, in detectors and the like, safety barriers that can be addition, combined are already specified. Other safety barriers —...
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INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS INTRINSICALLY SAFE EQUIPMENT intrinsically safe apparatus may be used at an ambient Installations for Explosive Gas Atmospheres in General temperature up to 60 C. So, specifications should be checked Industry” issued in 1994 by the Japanese Ministry of Labour, before installing intrinsically safe apparatus.
INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS FLAMEPROOF EQUIPMENT INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS FLAMEPROOF EQUIPMENT Apparatus Certified Under Technical Criteria (IEC-compatible Standards) 1. General construction is of completely enclosed type and its enclosure shall endure explosive pressures in cases where explosive The following describes precautions on electrical apparatus gases or vapours entering the enclosure cause explosion.
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INSTALLATION AND OPERATING PRECAUTIONS FOR TIIS FLAMEPROOF EQUIPMENT 4. Installation of Flameproof Ap- • Specific cables shall be used as recommended by the “USER’S GUIDELINES for Electrical Installations for paratus Explosive Gas Atmospheres in General Industry,” published in 1994. (1) Installation Area •...
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So, (2) Repair Yokogawa-specified cable entry devices for flameproof type shall be used to meet this demand. If the flameproof apparatus requires repair, turn off the power and transport it to a safety (non-hazardous) location.
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(However, see Table 1 and 2 in case of Optional Code/K2 or K6) (Note 2) In case of Degrease cleansing treatment (Optional Code/K1, K2, K5 or K6), consult YOKOGAWA local office. Table 1. Capsule Assembly Part Number (Item 1) For General-use type, Flameproof type and Intrinsically safe type (Except TIIS Intrinsically safe type)
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REVISION RECORD Title: Model EJA115 Low Flow Transmitter Manual No.: IM 01C22K01-01E Edition Date Page Revised Item Mar. 1998 • Add F Fieldbus protcol version to ‘NOTE’ notice. OUNDATION • Add Item 6 to the Wiring Precautions. 11-1 11.1.1 • Add FOUNDATOIN Fieldbus protocol. 11-2 11.1.2 •...
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Edition Date Page Revised Item 2.9.4b Sep. 2000 Change ambient Temperature limit and add Caution for cable 10th wiring. 2.9.5b Add Caution for /JS3 Add Note for /F1 8.3.1 Add parameter E10, E14 and E15. Add Note for /F1. 8-4,8-5 8.3.3.(3) Add Note for /F1.
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