Azbil 100 Series User Manual Download

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CM2-AVP100-2001

Smart Valve Positioner 100 Series

Model AVP100/102

User's Manual

Summary of Contents for 100 Series

Page 1: ...CM2 AVP100 2001 Smart Valve Positioner 100 Series Model AVP100 102 User s Manual ...

Page 2: ...ss for a particular purpose and makes no express warranty except as may be stated in its written agreement with and for its customer In no event shall Azbil Corporation be liable to anyone for any indirect special or consequential damages This information and specifications in this document are subject to change without notice 2001 2020 Azbil Corporation All Rights Reserved ...

Page 3: ... SVP To use this product correctly and safely always observe the following precautions We are not responsible for damage or injury caused by the use of the product in violation of these precautions Handling Precautions for This Product Installation Precautions WARNING When installing use proper fittings and proper tightening torque for connections to the process and to the exhaust Gas leakage is d...

Page 4: ...e specifications carefully and make sure to wire correctly Incorrect wiring can cause device damage or malfunction Supply electric power correctly according to the specifications Supplying power that differs from the specifications can damage the device Use a DC power supply that has overload protection Maintenance Precautions WARNING When removing this device for maintenance be careful of residua...

Page 5: ... C and humidity 65 store it in a place free from vibration and shock and not exposed to rain or water If you are storing your SVP after it has been used clean the SVP thoroughly and then firmly tighten the terminal box cover and seal the wiring piping connections and bleed hole on the pilot cover using Azbil Corporation supplied caps or tape to prevent entry of moisture Precautions for worker safe...

Page 6: ...度组别的关系如下表所示温度组别使用环境温度范围 T4 T5 40 60 T6 40 40 2 产品必须与经防爆认可的关联设备配套共同组成本安防爆系统方可使用于现场存在爆炸性气体混合物的危险场所其系统接线必须同时遵守阀门定位器和所配关联设备的使用说明书要求接线端子不得接错产品本安参数如下型号最高输入电压 Ui V 最大输入电流 Ii mA 最大输入功率 Pi W 最大内部等效参数 Ci nF Li mH AVP100 30 95 0 66 6 0 2 AVP102 30 100 1 15 0 2 3 用户不得自行更换该产品的元器件及零部件应会同产品制造商共同解决运行中出现的故障以杜绝损坏现象的发生 4 产品的安装使用和维护应同时遵守产品说明书及下列相关标准规范的要求 GB 3836 13 2013 爆炸性环境第 13 部分设备的修理检修修复和改造 GB...

Page 7: ...g SVP to a diaphragm actuator 2 14 2 6 4 Attaching double acting SVP to a rotary actuator 2 14 2 6 5 Auto setup 2 15 Chapter 3 Adjustments 3 1 3 1 Auto setup 3 1 3 1 1 Auto setup using the travel switch 3 2 3 2 Zero span adjustment 3 3 Chapter 4 Communication Based Operation 4 1 4 1 Starting Communication 4 2 4 1 1 Wiring method 4 2 4 2 Communication Based Operation 4 3 4 2 1 Menu Tree 4 4 4 3 Ope...

Page 8: ... 4 8 3 Valve Diagnostic Status 4 27 4 9 Precautions 4 28 Chapter 5 Maintenance 5 1 5 1 Auto Manual selection switch 5 1 5 1 1 Structure of the A M switch 5 1 5 1 2 Operating procedure 5 2 5 2 Filter replacement and restriction maintenance 5 3 5 3 Cleaning the flapper 5 4 5 4 EPM Electro pneumatic converter module balance adjustment 5 5 5 5 Installation resistance test 5 6 5 5 1 Test procedures 5 6...

Page 9: ...he control valve can be set arbitrarily Split range and other special settings are also easy to set up Integral type Model AVP100 Analog signal 4 20 mA DC without travel transmission Model AVP102 Analog signal 4 20 mA DC with HART communication protocol Actuator air Filtered Air Supply 4 20mA Control Signal Control valve Process fluid Smart Valve Positioner 100 Series Commstaff Model CFS100 for mo...

Page 10: ...all configuration calibration and maintenance of the SVP SVP specific communicator functions are documented fully in this manual Refer to the operation manual for Smart Valve Positioner CM2 CFS100 2010 1 2 3 Using a HART communicator Emerson Electric HART communicator model 375 can be used for all configuration calibration and maintenance of model AVP102 SVP specific communicator functions are doc...

Page 11: ... connection Pilot relay Zero Span adjustment auto setup switch Output air pressure gauge option Auto Manual switch Feedback lever Input air pressure gauge option Conduit conn Cover Main unit Air supply connection Fig 1 3 SVP diagram ...

Page 12: ...1 4 ...

Page 13: ...attaching the SVP take every precaution to avoid physical injury Be aware of sharp objects such as the edges of the cover and any sharp edges on the unit Setting up the SVP includes opening and closing the valve several times often unpredictably Take appropriate measures to prevent injury to personnel and adverse effects on the process The type and size of the actuator determine the type of mounti...

Page 14: ... piping wiring or adjustment Check for mechanical interference and valve operating clearance Orientation Install the SVP in the correct direction Avoid installation where the left of the SVP where pilot relay is located would be on top Fragility Damage to the SVP may result from excessive impact or force Do not force the feedback lever or bend the feedback pin Secureness Be sure to tighten bolts a...

Page 15: ... below Linear motion actuator Assemble the feedback lever and the SVP using the two provided hex socket bolts Ensure that the rotation angle of the feedback lever does not exceed 20 from the horizontal 40 travel In case of exceeding 20 use the optional extension lever Extension lever Hex socket bolt Hex socket bolt Spring Feedback lever Extension lever option Fig 2 1 SVP feedback lever ...

Page 16: ...olt Insert the spring pin into the hole in the coupling Install the feed back lever so that the tip of the spring pin fits into the small hole on it to meed to the tip of the spring pin Fasten the feedback lever using the hex head bolt and washer SVP Bolt Angle sensor Coupling Spring pin Feedback lever Washer Hex head bolt Fig 2 3 ...

Page 17: ...s M8 and spring washers Assemble the connector pin assembly to the pointer with the hexagon socket head flange bolt Set the valve travel to 50 Fasten the assembled SVP to the actuator using the bolts and washers provided while guiding the 1 4 inch 6 mm feedback pin through the slot on the feedback arm above the spring with the feedback lever set to be horizontal Make sure that the feedback lever a...

Page 18: ...e valve travel to 50 Fasten the assembled arm to the valve stem using a hexagon head bolt in the correct Mount the SVP to the actuator using hexagon head and washers Make sure the feedback lever will fit together with the connector pin at a right angle as shown below Actuator SVP A A A A S O 90 Hexagon Head bolt M6 Connector pin Hexagon nut Bracket Hexagon head bolt M6 Hexagon head bolt M5 Valve s...

Page 19: ...or if not provided with your SVP and a 3μm or better filter must be installed between the air supply and the SVP as close as possible to the SVP unit The shutoff valve enables disconnection of the SVP from the control valve for ease of maintenance Recommended piping practices Air supply pipes should have an inside diameter of 6mm 10mm outside diameter tubing recommended Pipes should match the inst...

Page 20: ... and the feedback lever position 1 Using a flat head screwdriver rotate the A M switch 180 counter clockwise This puts the SVP in Manual or bypass mode allowing the regulator valve to change valve position The supply and output air pressure gauges should both have the same reading 2 Position control valve to mid travel 50 position by adjusting air pressure regulator valve 3 Adjust the stem connect...

Page 21: ...d below A Commstaff can be connected directly to the hooks Apply sufficient waterproofing treatment using nonhardening sealants made of silicone resins Controller I IN I IN 4 20 mA DC Commstaff Model CFS100 for model AVP100 102 HART communicator for model AVP102 Fig 2 8 WARNING Close the cover tightly and do not open it while the SVP unit is energized in a hazardous environment doing so may cause ...

Page 22: ...es WARNING The barriers should be NEPSI certified types and comply with the condition as follows AVP100 Ui 30V Ii 95mA Pi 0 66W Ci 6nF Li 0 2mH AVP102 Ui 30V Ii 100mA Pi 1 0W Ci 0 015μF Li 0 2mH Zener barrier should be installed in safe areas and observe the Zener Barrier Manual The circuit shall be considered to be connected to ground from a safety point of view When installation and maintenance ...

Page 23: ... purpose Supply air connection not shown Reversing relay Output air connection 2 not shown Output air connection 1 Relay air connection Output air pressure gauge Fig 2 9 Note Make sure that the air piping connections and air pressure ranges as inscribed on the bottom of the reversing relay match your SVP The reversing relay has two Output air connections Output air connection 1 OUT1 which passes t...

Page 24: ...ection Screw the Relay air connection of the reversing relay into the output air connection on the top of the SVP Sealing tape is preferable to solid or liquid sealants for pipe joints to SVP air connections Prevent sealing tape sealant from entering pipes Fig 2 10 Reverse relay installed on an SVP ...

Page 25: ... connect only one regulator to an SVP and reversing relay combination Fig 2 11 Double acting SVP without air regulator directly attached Note Please note that the Auto Manual switch is not used on Double Acting SVPs When using the SVP as a double acting positioner use the valve handwheel or air pressure regulator to perform SVP calibration such as that shown on page 2 8 and the Zero span adjustmen...

Page 26: ...with increased pressure Connect OUT1 of the Reversing Relay to the actuator chamber that rotates the trunnion counter clockwise with added pressure Connect OUT2 of the Reversing Relay to the actuator chamber that rotates the trunnion clockwise with added pressure If the actual air piping is different than described above the functions of the SVP as a positioner will not be affected However various...

Page 27: ...o a rotary actuator Zero and Span are sometimes set in reverse Use a Commstaff to manually set the Actuator to the correct action Direct or Reverse as per the steps on page 4 10 If after Auto setup the SVP exhibits excessive overshooting hunting decrease the actuator parameter as per the steps on page 4 11 Perform Auto setup by referring to page 3 1 through 3 3 Auto Setup Zero Span Adjustment ...

Page 28: ...2 16 ...

Page 29: ... If you specified the type of actuator your SVP will be installed on then the required overtravel for tight shut off will have been programmed into your SVP The required overtravel for tight shut off is the maximum shut off less 1 If you didn t specify the type of actuator and you are using a non Azbil Corporation actuator then please refer to page 4 11 for instructions on how to enter the actuato...

Page 30: ...the auto setup routine is complete by varying the input signals The entire auto setup procedure should take about three minutes Note While executing the auto setup program do not set the input signal below 4 mA As long as the signal is in the range of 4 20 mA changing the input signal during auto setup will not affect the program If the input signal drops below 4 mA while auto setup is running the...

Page 31: ...stored or factory set in the SVP Procedure for adjusting the shut valve position zero Step Procedure 1 Input current signal that corresponds to the value being fully shut from the controller or constant current supply Example 4 mA 2 Adjust the valve fully shut position by pushing the travel switch UP or DOWN See Fig 3 1 and Fig 3 2 for how to use the travel switch If the forced shutdown function i...

Page 32: ... a constant current supply provide an input signal that corresponds to the valve fully opened Example 20 mA 2 Adjust the fully opened valve position by pushing the travel switch UP or DOWN until the valve position moves slightly Note After completing Zero span adjustment verify accurate valve operation by varying the input signal ...

Page 33: ...er This chapter describes operations that are performed using communication Refer to this chapter for information regarding the basics of operations the relationship between modes and data settings data setting and modification the saving of various types of data etc ...

Page 34: ...onstant current supply 3 85 to 21 5 mA DC to the input signal terminal When doing so be sure to remove the wires coming from the controller off of the terminals 4 1 1 Wiring method Introduction The wiring method for communicating with this device will now be described With HART communication Host Controller 4 20mA DC I IN I IN HART communicator Fig 4 1 Wiring of HART Communication Tool Model AVP10...

Page 35: ...Configuration and Adjustment 4 4 1 Auto setup 4 4 2 Zero span adjustment 4 4 3 Control valve system configuration 4 4 4 Control parameter configuration 4 4 5 Input signal range configuration 4 4 6 Flow rate characteristics configuration 4 4 7 Forced fully open closed setting 4 5 Device Information Confirmation and Modification 4 5 1 Device information production number confirmation and modificatio...

Page 36: ...4 4 4 2 1 Menu Tree ...

Page 37: ...HART version 2 Not displayed on the SFN version 3 Not displayed when DE communication selected 4 Enabled when DE communication selected not shown 5 Displayed when Actuator Size is Param0 6 Displayed when Flow Type is User defined ...

Page 38: ... chapter describes the functions of the following versions Model AVP100 Azbil software version 3 5 or later Model AVP102 HART Version 6 Device revision 1 Software revision 1 or later Azbil software version 6 1 or later ...

Page 39: ...e Signal Displays the EPM electro pneumatic module drive signal 5 Temperature Displays the positioner internal temperature C 4 3 2 Adjustment data confirmation Select Device Setup Basic Setup You will be able to check the following items 1 0 Travel Angle Displays the angle specified as the valve fully closed point 2 100 Travel Angle Displays the angle specified as the valve fully open point 3 Stro...

Page 40: ...tor size selection 5 Hysteresis difference selection 6 Travel transmission fail safe selection WARNING During auto setup the valve moves from fully open Take appropriate measures beforehand to ensure that the movement of the valve will not cause injury or have an effect on the process step Procedure 1 Confirm that the input signal is 4 mA or higher 2 Select Device Setup Basic Setup Auto Setup to e...

Page 41: ...on the Zero Adjustment menu 7 The screen for the forced fully closed setting will appear If you have already modified this value return to the original value 8 Select Exit from the Zero Span Adjustment menu Valve fully open position configuration The procedure for setting the valve fully closed position is shown below step Procedure 1 Select Device Setup Zero Span Adjustment Angle Adjustment Span ...

Page 42: ...tion from open to closed set this to Direct if the feedback lever moves upward set this to Reverse The procedure for configuring valve action is shown below step Procedure 1 Select Device Setup Valve System Valve Action 2 Specify Direct or Reverse valve action 3 Send the modified setting to the device using the transmission button Positioner action Select Direct or Reverse To make the device s out...

Page 43: ...alue cm3 PARAM C to 0 58 PARAM B to 0 8 PARAM A to 1 02 PARAM 1 to 1 5 PSA1 PSK1 600 PARAM 2 to 3 PSA2 HA2 1 400 PARAM 3 to 6 6 PSA3 HA3 2 700 PARAM 4 to 12 PSA4 HA4 6 600 PARAM 5 to 99 VA5 25 300 PARAM 6 to 20 VA6 PSA6 8 100 PARAM 7 to 1 9 RSA1 760 PARAM 8 to 4 3 RSA2 3 800 PARAM 9 to 99 VR3 VR3H 5 800 PARAM 0 Set individually Consult with Azbil Corporation service personnel Actuator size configu...

Page 44: ...ze if parameter 0 has been selected the gap operation type PID parameters can be set individually The gap action PID method is utilized as the dynamic characteristics algorithm for this device In the gap action type PID method deviation values the gap above and below the set point value are set up and the PID parameters are changed depending on whether the process value is inside or outside the ga...

Page 45: ... A split range can be specified as well Note Set these values so that the electric current input span the difference between LRV and URV is in the 4 to 16 mA range If the span is 8 mA or less the accuracy will be 1 5 of full scale Input range configuration procedure The procedure for setting the desired electric current input values is shown below Configuration procedure for electric current input...

Page 46: ...ta 3 Send the modified setting to the device using the transmission button User defined Data This function sets user defined flow rate characteristics conversion data There are 16 data points for input and 16 for output For each point specify an input signal User Data IN1 16 and an output signal User Data OUT1 16 The characteristics will be the result of connecting the 16 points with straight line...

Page 47: ...setup has been executed the forced fully open setting will be 1 less than the overstroke percentage The forced fully open and forced fully closed settings have a hysteresis difference of 0 1 As a result of configuring the forced fully closed setting the control valve can become fully closed when the input signal drops to the preset value or lower so set the output limiter Lo on the host to 1 or hi...

Page 48: ...information 7 Date HART version only Displays and allows modification of specific dates such as the last configuration date for the device 8 Descriptor HART version only Displays and allows modification of information required to manage the device 9 Message Displays and allows modification of messages registered to the device 10 Polling Address HART version only Displays and allows modification of...

Page 49: ...upported by model AVP102 2 Device Revision HART version only Displays the revision number of the device specific commands supported by model AVP102 3 Software Revision HART version only Displays the revision number of the software in the same device revision 4 Azbil Software Version Displays the software revision number This is Azbil Corporation s internal management number and has a one to one co...

Page 50: ...the controller and the input signal of 4 mA or 20 mA perceived by the device 4 mA electric current input calibration procedure step Procedure 1 Select Device Maintenance Input Calibration Calibrate 4 mA 2 Set the electric current input controller output to 4 mA 3 The electric current input value perceived by the device will be displayed on the screen If that value is satisfactory for performing ca...

Page 51: ...al 2 Select a dummy input signal 0 50 100 or Other from the Dummy Input Signal menu 3 If you selected Other enter a value 0 to 100 4 To cancel the dummy input signal select Clear from the Dummy Input Signal menu 5 To exit the Dummy Input Signal menu select Exit 4 6 4 Dummy Drive Signal Cuts off the drive signal from the PID control unit and applies the dummy drive signal to the EPM electro pneumat...

Page 52: ... 6 Load saved settings Returns all of the device s internal data settings to the settings at the time of shipping This is useful when for instance installing the device on a different control valve If this function is executed the settings for valve fully open and valve fully closed zero span adjustment will also be reset to the settings at the time of shipment Overwrite these settings again the n...

Page 53: ... Slip menu to execute the update Clear Stick Slip Count Resets the count to zero Select the Clear Stick Slip Count menu to reset the count Stick Slip XY Threshold Displays and allows modification of the XY threshold This is the value which when reached or exceeded by the stick slip value Stick Slip Y divided by Stick Slip X results in incrementation of the count An alarm is not activated merely as...

Page 54: ...atus If the status is Enabled alarms will occur and if the status is Disabled alarms will not occur 4 7 3 Cycle Count Counts the total number of times that the valve position reverses after at least the specified amount of valve travel Select Diagnostics Valve Diagnostic Information Cycle Count You will be able to check or modify the following items To change a value select the item and then chang...

Page 55: ...g item Travel Segmentation 1 to Travel Segmentation 16 Displays and allows modification of the 15 position regions for the 16 positions 4 7 5 0 Travel Error When the valve is fully closed the zero point from when zero adjustment was performed is compared to the current zero point and an alarm occurs if the discrepancy between them is greater than or equal to a specified deviation and if this discr...

Page 56: ... 7 7 Max Travel Speed The maximum operating speed per unit time of the valve Select Diagnostics Valve Diagnostic Information Max Travel Speed You will be able to check or modify the following items To change a value select the item and then change it Max Tvl Speed Max Tvl Speed Displays and allows modification of the maximum operating speed on the side and side Update Max Tvl Speed Updates the max...

Page 57: ...us If the status is Enabled alarms will occur and if the status is Disabled alarms will not occur 4 7 9 Temperature Alarm Select Diagnostics Valve Diagnostic Information Temperature Alarm You will be able to check or modify the following items Temperature Displays the temperature Temp Threshold High Temp Threshold Low Displays and allows modification of the upper and lower thresholds An alarm occu...

Page 58: ...lure 4 8 2 Device Status Select Diagnostics Positioner Diagnostic Status Device Status You will be able to check the status conditions shown below If the value of this item is ON a failure was observed Explanation of self diagnostics messages minor failures Message Description Cause LOW IIN The input signal current is too low 3 80 mA or less EXT ZERO ACTIVE EXT SWITCH ACTIVE External zero span adj...

Page 59: ...ccurs when there is downward deviation between current 0 travel angle and initial 0 travel angle Shut Off Count Alarm The Shut Off Count Alarm occurs when the total number of valve closures exceeds the threshold Max Tvl Speed Alarm The Max Tvl Speed Alarm occurs when the maximum stem movement speed in the upward direction in a day exceeds the threshold Max Tvl Speed Alarm The Max Tvl Speed Alarm o...

Page 60: ...em 475 Communicator If Actuator Size is set to Param0 and GE in PID Parameters is set to any value other than 0 0 then even if GE is changed to 0 0 and GP GI and GD are also changed and these settings are then transmitted the background color of the changed items will remain yellow Return to the level above this and display PID Parameters again ...

Page 61: ...ual operation The supplied air pressure is output directly from the positioner This allows manual operation using a pressure regulator See Fig 5 3 CAUTION The double acting actuator has no manual operation function WARNING The valve may move suddenly when the A M switch is operated Prepare yourself and the process in advance so that the process is not adversely affected when the valve operates 5 1...

Page 62: ...nterclockwise Do not loosen this screw Fig 5 2 Switching from automatic normal operating state to manual operating State Note Do not loosen the A M switch cover plate screw Switching from manual operation to the automatic operation Use a flat bladed screwdriver to turn the A M switch in the clockwise direction until it stops Do not loosen this screw Fig 5 3 Switching from manual operating state to...

Page 63: ...hen removing the screws 3 Turn the A M switch to the MAN manual position 4 Use nippers or another tool to cut the holder and remove the old filter Note Dispose of the old holder and filter appropriately 5 Use wire to remove the contamination from the restriction diameter 0 3 mm Note Be careful not to damage the restriction when removing the contamination Do not use an air gun Do not allow any oils...

Page 64: ...red and plant operation will not be adversely influenced even if the valve moves suddenly Procedure Step No Procedure 1 Remove the cover 2 Remove four screws from the cover plate 3 Remove the plate by sliding it to the left 4 Provide pieces of paper with a thickness of 0 2 mm Standard business cards will do 5 Use the scraps of paper to clean the contamination from the gap between the EPM nozzle an...

Page 65: ...nt can cause the valve position to change rapidly Only perform this adjustment in a state where no one will be injured and plant operation will not be adversely influenced even if the valve moves suddenly Procedure Step No Procedure 1 Remove the cover and the cover plate 2 After supplying the stipulated air pressure set the input signal to 50 3 Observe the EPM drive signal using the Commstaff Refe...

Page 66: ...edures Disconnect the device s external wiring Short circuit the and terminals of the input and output respectively Perform the tests between ground terminal and its respective short circuit between the and terminals Applied voltage and judgment standards are as follows To avoid damage to the instrument do not apply voltage greater than the values listed below 5 5 2 Judgment criteria The judgment ...

Page 67: ...he auto setup program Then increase the input signal and use the commstaff to change the following size of the actuator 1 hysteresis 2 dynamic characteristic data 3 Confirm the static and dynamic characteristics of the positioner by testing five points 0 25 50 75 and 100 Use commstaff to change the following actuator size 1 hysteresis 2 dynamic characteristic data 3 etc Large overshoot or large un...

Page 68: ...eter 0 P 1 200 I 4 000 D 0 5000 GE 0 000 GP 0 7000 GI 4 000 GD 0 5000 Flow characteristics LINEAR User defined flow characteristics data Pressure balance type adjustment valve ADVB ADVM linear characteristics data Valve fully closed value LRV 4 000mA Valve fully open value URV 20 00mA Forced fully closed input value 0 5000 IIN Forced fully open input value 109 00 IIN Digital output settings Output...

Page 69: ...back lever Control valve 4 to 20 mA DC IIN EPM driver block EPM electropneumatic converter module A M Switch Air supply 140 to 700 kPa SUP OUT Input signal conversion and power supply block Analog interface and A D converter block Input signal conversion and power supply block VTD position sensor Commstaff Commstaff Model AVP100 Model AVP102 Up down switch Up down switch A HART 275 VTD position se...

Page 70: ...correction Input signal ranging PID control calculation Zero and span ranging Valve position detection EPM Positioner direct reverse Pilot relay Pneumatic signal amplifier Actuator Actuator direct reverse Valve Valve plug direct reverse Forced fully open fully closed signal conversion Flow characteristics signal conversion VTD Fig 5 8 SVP I O flow ...

Page 71: ...continue to operate normally Connecting a Commstaff or HART Communicator or requesting a self diagnostic through the supervisory monitoring system model AVP100 102 is necessary to discover and determine Minor Failures A Major Failure indicates serious trouble in the operation of the SVP and if no action is taken may lead to damage to the SVP itself Should serious trouble occur during SVP operation...

Page 72: ...mance problems follow the troubleshooting steps below If the troubleshooting procedures below do not fix the problem contact an Azbil Corporation representative SVP does not operate no output air pressure step Procedure 1 Make sure that the SVP feedback lever is not exceeding a 20 angle of rotation If it is add an extension bracket to the feedback lever to provide the necessary feedback lever leng...

Page 73: ...normal action of control valve although output air is supplied the control valve does not operate properly step Procedure 1 Check the zero fully closed and span fully opened are properly adjusted 2 Confirm that the internal SVP settings for actuator size hysteresis etc are appropriate for your control valve Refer to 4 4 4 Control configuration on page 4 11 No communication possible with a Commstaf...

Page 74: ...fully open close values HI LO EPM OUT Electro pneumatic Module is outside normal range No air is being supplied Valve is closed Galling of valve stem Clogged nozzle Clogged orifice Input signal is 4 mA or less Check air supply pressure See that the input signal is 4 mA or greater Confirm A M switch is Auto Clean air nozzle Clean orifice Adjust the EPM balance Refer to page 5 5 Change the input sig...

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Page 76: ...required to check the functions and safety of your Equipment prior to your use 3 Measures to be taken to secure the required level of the reliability and safety of your Equipment in your use Although azbil is constantly making efforts to improve the quality and reliability of Azbil Corporation s products there exists a possibility that parts and machinery may break down You are required to provide...

Page 77: ...nstruction manuals or depending on the design margin of your machine or equipment you are required to renew any Azbil Corporation s products every 5 to 10 years unless otherwise specified in specifications or instruction manuals System products field instruments sensors such as pressure flow level sensors regulating valves etc will reach the end of their life due to aged deterioration of parts For...

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Page 79: ...Document Number CM2 AVP100 2001 Document Name Smart Valve Positioner 100 Series Model AVP100 102 User s Manual Date 1st edition Oct 2001 8th editon June 2020 Issued Edited by ...

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