S2 Servo Pneumatic Proportional Control System User`s Guide
Contents
1. Resistive Feedback Devices For Resistive Feedback devices the grey wire of the S2 10V should be connected to the high side of the resistor the blue wire ground should be connected to the low side of the resistor and the white wire feedback should be connected to the output Ensure proper polarity with a 10V output corresponding to the fully extended position and a OV output corresponding to the fully retracted cylinder positions Powered Feedback Devices When using a powered feedback sensor use manufacturer s requirements for powering the sensor The output of the sensor should be connected to the white wire feedback of the S2 For 4 20mA feedback signals ensure that the low side is connected to ground the blue wire of the S2 For 0 10Vdc sensors ensure proper polarity with a 10V output corresponding to the fully extended position and a OV output corresponding to the fully retracted cylinder positions For 4 20mA sensors ensure proper polarity with a 20mA output corresponding to the fully extended position and a 4mA output corresponding to the fully retracted cylinder positions 2011 Enfield Technologies l WARNING Installation and operation of electronic and high pressure As Enfield Technologies strives for continuous systems fluids and compressed gas involves risk including property improvement and dedication to product development damage and personal injury or death Users should be properly specifications are2. 5 bar 46 SCFM 80 0 psig 0 12 bar 0 175 psig Power oot UU Cees e o E o A a n oo o FS o 900 3E3 t 2L o e e e o o o Quo ARRA y a oo 2011 Enfield Technologies WARNING Installation and operation of electronic and high pressure As Enfield Technologies strives for continuous systems fluids and compressed gas involves risk including property improvement and dedication to product development damage and personal injury or death Users should be properly Poean are subject to change trained or certified and take safety precautions V zL NFIELD S2 TECHNOLOGIES User s Manual Page 9 of 13 Step 4 Set Command Step 5 Set Feedback x ra ha BI LI e o o o o o 96 o TS o dr o oo 5 o 96 o 000000000 1 f1 Rll 1 fl Hoon LLL c AIE j e o Configure Command for O 10Vdc Jumper Off J2 J3 H Configure Command for 4 20mA Jumper On Configure Feedback for 4 20mA Jumper On J2 J3 J5 J6 M LA 2011 Enfield Technologies WARNING Installation and operation of electronic and high pressure As Enfield Technologies strives for continuous systems fluids and compressed gas involves risk including property improvement and dedication to product development damage and personal injury or death Users should be properly vee are subject to change trained or certified and take safety precautions v20110311 I1 NFIELD S2 TECHNOLO
3. subject to change trained or certified and take safety precautions v20110311 i NFIELD S2 ECHNOLOGIES User s Manual Page 7 of 13 Potentiometers Tuning 4 Offset By adjusting RP4 the user can set the offset of the system Offset is used when the cylinder is mounted vertically to create symmetrical motion If NFIELD the cylinder is facing rod up the offset should be TECHNOLOGIES 7 increased When a cylinder is facing down the offset RP RP2 RPG RPA should be decreased to create symmetrical motion 5 3 drect acting proportions remate vao The offset can be increased or decreased by turning e E RP4 clockwise or counterclockwise respectively z with in 1 4 NP 0 3um ed dry neutral gas 820 SLPM 6 5 bar 46 SCFM 80 0 psig 0 12 bar 0 175 psig Recommended Tuning Method Return S2 to Factory Defaults The S2 has 4 potentiometers Responsiveness Speed Damping Force Damping and Offset which allow for 1 Turn off air and power to the system maximum flexibility A polymer non conductive screwdriver is 2 Turn RP1 RP2 and RP3 fully counterclockwise the preferred method for adjusting the potentiometers Care Make sure to go at least 11 full turns FYI these should be taken not to allow metal screwdrivers to touch pots do not have bottoming out indication other components on the board 3 Provide power to the controller 4 Adjust RP4 until green LED is on center position 1 Respo
4. 2 2 ENFIELD Emm TECHNOLOGIES S2 Servo Pneumatic Proportional Control System User s Guide ENFIELD TECHNOLOGIES Table of Contents Warnings amp Notices Quick Start Procedure Factory Default Settings LEDs System Setup Feedback Potentiometers Tuning Jumpers Command Configuration Feedback Configuration Cylinder Size Valve Aperture Maximum Moving Mass Troubleshooting 2011 Enfield Technologies As Enfield Technologies strives for continuous improvement and dedication to product development specifications are subject to change v20110311 92 User s Manual Page 1 of 13 10 10 11 11 12 13 WARNING Installation and operation of electronic and high pressure systems fluids and compressed gas involves risk including property damage and personal injury or death Users should be properly trained or certified and take safety precautions ENFIELD S2 TECHNOLOGIES abcr Warnings amp Notices WARNING Installation and operation of electric and high pressure systems fluids and compressed gas involves risk including property damage and personal injury or death Installers and users should be properly trained or certified and take safety precautions This product may cause death personal injury or property damage if improperly used or installed The information in this document and other information from Enfield Technologies and its authorized representatives are intended for use by pers
5. GIES User s Manual Page 10 of 13 Step 6 Set Cylinder Size Step 7 Set Current Maximum O on Lic WII Cie ES 79 j rar m Li LJ PPP rir 1 LL r ir 1 ic i Tal a i YY a a EEL u mm eee IRR Sees AAA 0 o00000000 000000000 000000000 000000000 LR C Es E ic mimm m y ru al al Hoe iem a E mi 3 E oe m 77 1 7 09 SOOO aces s s s i EAE 5d fe Rede oo do gt RM 00600 o m Li m an oe p l l a 100 defualt 0 905 default 1 Rodless Cylinders A1 Surface Area on Rod Side of Cylinder A2 Surface Area on Piston Side of Cylinder 2011 Enfield Technologies WARNING Installation and operation of electronic and high pressure As Enfield Technologies strives for continuous systems fluids and compressed gas involves risk including property improvement and dedication to product development damage and personal injury or death Users should be properly vee are subject to change trained or certified and take safety precautions v20110311 NFIELD a C B Em TECHNOLOGIES Maximum Moving Mass The table below recommends the maximum moving mass for a cylinder controlled by a S2 for horizontal and vertical applications Actual mass will vary based on cylinder speed and mechanical assembly e g friction in cylinder or system air pressure etc Cylinder Bore Size Max
6. ge Contact Enfield Technologies 35 Nutmeg Drive Trumbull CT 06611 USA 1 203 375 3100 1 800 504 3334 toll free North America info enfieldtech com www enfieldtech com 2011 Enfield Technologies WARNING Installation and operation of electronic and high pressure As Enfield Technologies strives for continuous systems fluids and compressed gas involves risk including property improvement and dedication to product development damage and personal injury or death Users should be properly specifications are subject to change trained or certified and take safety precautions v20110311 2 ENFIELD S2 E TECHNOLOGIES SA n Quick Start Procedure 1 Configure Jumpers a Configure Jumpers 2 and 3 to select a command input of 0 10Vdc or 4 20mA b Configure Jumpers 5 and 6 to select a feedback input of O 10Vdc or 4 20mA c Configure Jumper 1 to select cylinder size 2 Wire Feedback a For 4 20mA signals 4mA should correspond to the cylinder fully retracted and 20mA should correspond to the cylinder fully extended Also for 4 20mA signals low side should connect to ground b For 0 10V signals OV should correspond to the cylinder fully retracted and 10V should correspond to the cylinder fully extended 3 Wire Command 4 Wire Power 5 Connect Pneumatic Lines a Connect port 2 of the S2 to the back of the cylinder and port 4 to the front as shown in system setup b Inlet air should be dry 40F dew point non lubricated a
7. ications are subject to change v20110311 Jumper Off 0 10V Feedback On 0 p ff Offset O RP4 is cenetered Offset 0 WARNING Installation and operation of electronic and high pressure systems fluids and compressed gas involves risk including property damage and personal injury or death Users should be properly trained or certified and take safety precautions I1 NFIELD S2 TECHNOLOGIES User s Manual Page 5 of 13 System Setup een bu Ground PENFIELD 2 zS P mam TECHNOLOGIES bn 24Vdc RPi RP2 RP3 RP4 2 E EH bk Command 5 3 direct acting proportional pneumatic valve zi EI with Integrated c ortrol and drive electronics idisse c cated dry neutral gas wh Feedback 820 SLPM 6 5 bar 46 SCFM 80 0 psig 0 12 bar 0 175 pelg gy 10V Excitation 2011 Enfield Technologies WARNING Installation and operation of electronic and high pressure As Enfield Technologies strives for continuous systems fluids and compressed gas involves risk including property improvement and dedication to product development damage and personal injury or death Users should be properly poean are subject to change trained or certified and take safety precautions V zl P s ENFIELD S2 7 k TECHNOLOGIES Users Manual age 6 of 13 Feedback Setup Position Feedback Cylinder E From S2 Output wh Feedback Ground bu Ground Input 10V gy 10V Excitation All grounds should be common
8. imum Weight Pounds Inches 78 35 9 P 150 200 24 2 30 8 110 2011 Enfield Technologies As Enfield Technologies strives for continuous improvement and dedication to product development specifications are subject to change v20110311 92 User s Manual Page 11 of 13 WARNING Installation and operation of electronic and high pressure systems fluids and compressed gas involves risk including property damage and personal injury or death Users should be properly trained or certified and take safety precautions i NFIELD S2 ECHNOLOGIES User s Manual Page 12 of 13 Troubleshooting Symptom Probable Causes Corrective Action System Totally Unresponsive Power Not Applied Apply power check all power wiring ee ArOff Speed Gain too Low Increase Speed Gain RP1 Verify signal wiring for command and feedback also verify NENNT Iesu oa mechanical system polarity Signal Wiring Verify all Wiring ea Speed Gain too Low Increase Speed Gain RP1 Force Damping Gain too High Decrease Force Damping RP3 Power Supply Voltage not Stable Check power wiring change power supply Decrease moving mass increase cylinder size or increase Cylinder too Small l inlet pressure System Pegs or Rails No Feedback Signal Connect Feedback Signal Verify all wiring is as shown in application examples and as described in the System Setup section of this document Finder Connected i
9. ir non flammable amp non corrosive dry gases 0 3 micron fine grade coalescing filter with 5 micron pre filter at 0 150psig c Connect Inlet air to Port 1 6 Tune System a Restore potentiometers to factory default settings b Tune System According to Recommended Tuning Method T Troubleshooting a See Troubleshooting b Contact Enfield Technologies for additional help 2011 Enfield Technologies WARNING Installation and operation of electronic and high pressure As Enfield Technologies strives for continuous systems fluids and compressed gas involves risk including property improvement and dedication to product development damage and personal injury or death Users should be properly specifications are subject to change trained or certified and take safety precautions v20110311 2 2 ENFIELD Emm TECHNOLOGIES Factory Default Setting Potentiometer RP1 Responsiveness RP2 Speed Damping RP3 Force Damping RPA Offset Jumper J4 Current Maximum J5 Feedback 92 User s Manual Page 4 of 13 Factory Default Condition Setting Responsiveness gain is zero Speed Damping gain is zero Fully CCW Fully CCW Fully CCW In middle Status LED on Force Damping gain is zero Factory Default Condition Setting J6 Feedback LEDs L P ED Status LED 2011 Enfield Technologies As Enfield Technologies strives for continuous improvement and dedication to product development specif
10. mproperly Verify Polarity of Cylinder as shown in System Setup System Fails to Converge or is Verify all wiring is as shown in application examples and as Inaccurate Feedback Connected Improperly Incorrect Wiring described in the Installation section of this document Mechanical System m eee system is free from binding and high Speed Gain too Low Increase Speed gain RP1 MEE SS Z2 Force Damping too high Decrease Force Damping Gain RP3 BEEN in Adjusted i Offset Gain Adjusted incorrectly Adjust offset gain RP4 Wrong Area Ratio Set jumper for correct area ratio See Jumpers Section Insure there are no air leaks in the system Insure that inlet air meets valve specifications See System S2 Sticking Setup System Oscillates Speed Gain too High Decrease Speed RP1 BY Not Enough Force Damping Increase Force Damping RP3 Speed Damping too high Decrease speed damping RP2 Verify that large or high power machinery is not operating System Buzzes Input Signal Noise possibly 60Hz nearby Also verify input signal integrity by examining the signal with an oscilloscope Verify all wiring as shown in the System Setup section of Input Signals not connected y 8 y p this document DC Common not connected Verify all DC common connections High Pitched Tone or Whine Dither This is an artifact of the built in dither and is intended to from S2 keep the electro mechanical device in constant motion War
11. ng and increase RP2 speed damping until optimum system performance is 3 Force Damping RP3 By adjusting RP3 the user reached can set force damping applied to the system 12 If the motion is asymmetrical RP4 offset can be Damping can be increased or decreased by turning adjusted to compensate Also insure that proper RP3 clockwise or counterclockwise respectively cylinder size has been selected on Jumper 1 Force Damping helps increase the stability of the system Too little force damping can result in an oscillatory system while too much damping can result in an unresponsive system resulting in steady state error 2011 Enfield Technologies WARNING Installation and operation of electronic and high pressure As Enfield Technologies strives for continuous systems fluids and compressed gas involves risk including property improvement and dedication to product development damage and personal injury or death Users should be properly specifications are subject to change trained or certified and take safety precautions v20110311 mL NFIELD S2 TECHNOLOGIES User s Manual Page 8 of 13 Jumpers Step 1 Turn off air and power Step 2 Remove 4 phillips head screws 9 Servo Pneumatic agi e m u ontrol System Meee TECHNOLOGIES RP1 RP2 RP3 RP4 5 3 direct acting proportional pneumatic valve Status with integrated control and drive ele ics 1 4 NPTF ports O 3um filtered ubricated dry neutral gas 820 SLPM 6
12. nsiveness RP1 By adjusting RP1 the user can adjust the responsiveness of the pneumatic cylinder Tune System to changes in command or feedback The responsiveness of the cylinder can be increased or 9 Turn on air to the S2 decreased by turning RP1 clockwise or 6 Provide a continuously varying command signal to counterclockwise respectively A gain that is too low the S2 A 0 1Hz square wave would be ideal can result in an unresponsive system while a gain T Turn RP1 responsiveness clockwise slowly The that is too high can cause the system to become system should begin to move If the system does unstable not move or rails consult system setup diagram 8 Once the system begins to follow the command 2 Speed Damping RP2 By adjusting RP2 the user signal continue increasing RP1 until some can set the speed damping applied to the system overshoot or oscillation is obtained or desired This damping can be increased or decreased by speed is reached turning RP2 clockwise or counterclockwise 9 Adjust RP3 force damping clockwise until the respectively Speed damping helps reduce overshoot overshoot is dampened and smoothes out system performance However too 10 Repeat steps 8 and 9 as necessary until the much speed damping can cause the system to system exhibits the desired dynamics undershoot and creep into the target position or 11 To optimize system performance slowly decrease become unstable RP3 force dampi
13. ons having technical expertise in selecting and using these products Product owners you should analyze all technical and safety requirements of your specific application including the consequences of any possible failure before selecting a product This product may not be suitable for all applications such as those acting upon people Suitability is solely your responsibility Because the requirements for each application may vary considerably you are solely responsible for conducting any testing or analysis that may be required to determine the suitability of the product for your application and to ensure that all performance safety and warning requirements for your application are met Caution While the product is low voltage it contains open frame electronic components and care should be taken to prevent un intentional contact with the product to avoid damage to person or property The S2 is an electro static sensitive device Use appropriate electro static discharge ESD procedures during handling and installation Notice Use and purchase of this product is subject to Enfield Technologies Terms and Conditions of Sale and Use Improper installation or use voids warranty Consult factory regarding special applications Specifications are subject to change Reasonable efforts have been made to provide useful and correct information in this document but this document may contain errors and omissions and it is subject to chan
14. ranty This product is covered by a 1 year Enfield Technologies limited warranty Contact Enfield Technologies or visit website for more details Notice Use and purchase of this product is subject to Enfield Technologies Terms and Conditions of Sale and Use Improper installation or use voids warranty This product may not be suitable for all applications such as those acting upon people and suitability is solely the buyer s responsibility Consult factory regarding special applications 2011 Enfield Technologies WARNING Installation and operation of electronic and high pressure As Enfield Technologies strives for continuous systems fluids and compressed gas involves risk including property improvement and dedication to product development damage and personal injury or death Users should be properly specifications are subject to change trained or certified and take safety precautions v20110311
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