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BLX v100 positioner, Installation, Operating And Maintenance Instructions, Page: 24 / 32

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BLX v100 positioner Installation, Operating And Maintenance Instructions Download Page 24

3.11 Drive shaft

Removal

Before the drive shaft can be loosened, the
cam must be removed.

Remove the drive shaft(1) by hand from
the inside. If necessary replace defective
O-rings(2 & 3).

Mounting

Apply a small amount of oil to the drive shaft’s
surface and O-rings.

Install the drive shaft and press into place.

22

V100  Positioner

Summary of Contents for v100 positioner

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Page 3: ...stments 9 2 5 2Cam specifications 9 2 6 4 20 mA connection 10 2 6 1Connecting the control signal 10 2 6 2Checking the control signal 10 2 6 3Bench test with calibrator 10 2 7 Calibration 11 3 MAINTENANCE 12 3 1 Front cover and Indicator 12 3 2 Pilot valve 13 3 3 I P converter type EA1 14 3 4 Filter 15 3 5 Membrane 16 3 6 Feed back spring changing 17 3 7 Feed back spring disassembly 18 3 8 Balance ...

Page 4: ... The BLX R100 feedback unit for the V100 is offered as an accessory see separate manual 1 INTRODUCTION 1 1 General BLX V100 is a compact modular positioner for both rotary and linear actuators double or single acting There are two basic types V100P for a pneumatic signal and V100E for a current signal BLX V100 has independent zero and span adjustments making calibration very simple External access...

Page 5: ...ct identification The V100 has two identification tags the serial number tag 1 and the product model tag 2 The latter contains information on control signal maximum working pressure and temp erature ranges Other information can be shown depending on the model b Oil in the supply air usually is from the main com pressor Oil can clog the small nozzles and disturb the flapper in the I P converter It ...

Page 6: ...not dismantle a pressurized positioner Dismantling a pressurized positioner will result in uncontrolled pressure release Always isolate the relevant part of the pipeline Release the pressure from the positioner and the piping Failure to do this may result in damage or personal injury CAUTION Do not exceed the positioner performance limitations Exceeding the limitations marked on the positioner may...

Page 7: ...itioner is vented through this port Air connections for male 1 4 NPT or G 1 4 Gauge connections for male 1 8 NPT or G 1 8 Cable entry for male 1 2 NPT PG 13 5 or M20 cable fitting The appropriate threads are clearly indicated by the markings on the housing Gauge ports I C C and S are factory plugged Remove the plugs and replace with gauges Liquid sealant for threads Loctite or similar is recom men...

Page 8: ...ary actuator spindle B A relatively small error com bined with a rigid coupling can create very powerful radial forces which can in turn overload and in short time wear out even the very best drive shaft bearing 2 2 2 Linear actuator When mounting on linear actuators the positioner should be attached in such a way that its drive is in the center of the actuator s stroke Proper installation and ali...

Page 9: ...rs 2 3 2 Single acting 2 3 1 Double acting Signal closes Signal opens Direct CCW Reverse CW Spring closes Direct CCW Spring opens Reverse CW Signal closes Signal opens Spring opens Direct CCW Spring closes Reverse CW Signal opens Signal closes 7 V100 Positioner ...

Page 10: ...ructions for linear actuators 2 4 1 Double acting Direct CCW Signal closes Signal opens Reverse CW 2 4 2 Single acting Spring opens Spring closes Direct CCW Spring opens Spring closes Reverse CW Signal opens Signal closes Signal closes Signal opens 8 V100 Positioner ...

Page 11: ...ck that the lock screw 1 is still loose if not loosen the lock screw slightly and tighten the nut again 5 Tighten the lock screw 1 2 5 2 Cam specifications C1 Index mark Starting point of rotation 5 90 Linear 0 100 CCW 6 180 Linear 0 100 CW 6 90 Linear 0 50 CW split range 7 90 Linear 50 100 CW split range 8 90 Linear 0 100 CW 9 180 Linear 0 100 CCW 9 90 Linear 0 50 CCW split range 10 90 Linear 50 ...

Page 12: ...respective pole Max cable area 2 5 mm2 AWG 13 2 6 2 Checking the control signal The control signal can be checked without having to break the signal loop This is done by connecting a low ohmic ampere meter over the test points 3 2 6 3 Bench test with the calibrator When bench testing it is possible to connect the control signal over the points 4 without having to loosen the connection card The I P...

Page 13: ...th a screw driver from the outside or by using a slot 3a on the yellow wheel Range 4 Increase to 100 input signal 5 Wait until the valve has adjusted 6 Adjust the range by turning the red range nut 6 Check the zero position Make fine adjustments if necessary With Split Range where zeroing can be done by a signal other than 0 the steps 1 6 must be repeated until the desired setting has been reached...

Page 14: ... ring 4 on the backside of the front cover and replace with a new O ring Mount the indicator cover by installing its tap into the groove 5 of the front cover and lock it in place Removing the indicator Pull the indicator 6 straight up Important Note Note the indicator s position so it can be remounted in the same position Mounting the indicator Install the indicator in place over the drive shaft a...

Page 15: ...rking position all four pistons inside the housing Slowly lift the pilot valve in one end The spool should start to glide before the angle exceeds 20 see sketch If any of the parts show signs of wear we recommend replacing with a new pilot valve assembly The pilot valve s parts are matched to attain the best possible perform ance Mixing of parts can result in high excessive bleed and or poor funct...

Page 16: ...ng similar for cleaning the nozzle Blow dry with pressurized air Avoid inserting improper objects in the small hole 3 Ø 0 0079 Ø 0 2mm If necessary a cleaning needle Ø 0 0060 0 0079 Ø 0 15 0 20mm can with cau tion be used Also check the O ring 2 and replace if it is necessary Filter check Air should pass hiss through the hole 4 with the air on If no air exhausts it could mean that the filter 5 is ...

Page 17: ...d object e g a pocket knife 6 Remove the filter 9 from its rubber envelope If the filter 9 shows traces of oil or water check the water oil separator in the supply line Oil and water can cause functional problems in the I P converter 7 Insert the new filter in the rubber enve lope 8 Press the filter caps 9 into the housing To make installation in the housing easier a small amount of grease or oil ...

Page 18: ...on 6 Mounting the membrane Install the membrane piston 6 over the cylindrical dowel 7 Place the membrane 5 with the bulge 8 hanging down towards the membrane piston 6 Place the washer 4 on top put the screw 3 in the hole and turn it tightly Mounting the membrane cover Check that the O ring 9 is not damaged Install the membrane cover 2 and tighten the screws 1 crosswise 16 V100 Positioner ...

Page 19: ...n the lower edge of the lower spring support and the upper edge of the red range nut must be less than 0 8 21mm before mounting Fit the gaps B and C into the slots on the guided arm and at the same time install the lower spring support on the yellow zeroing wheel Compress the spring and flex it into the housing securing the upper spring socket onto the stud on the balance arm Be sure that the uppe...

Page 20: ...eassembling D Thread the range nut 3 with the friction spring a side first onto the spring 4 E Screw the upper spring socket 5 into the spring 4 The spring is self locking on the socket and should sit very tight Turn the spring on to the socket as much as possible Note One of the four grooves in the upper spring socket 5 must align with the dowel pin x on the spring F Install the spring dowel x in...

Page 21: ...feedback spring 5 and pilot valve 6 must all be removed Loosen the screws 7 and remove the balance arm 8 Mounting Install the balance arm into the housing Center the dowel 9 with the hole in the housing Tighten the screws 7 and check the centering Install the remaining parts according to their respective instructions 19 V100 Positioner ...

Page 22: ...th the guide pin 4 and spring 5 Mounting Insert the guide pin 4 into the bearings of the arm Install the spring 5 on to the upper end of the guide pin with the larger end towards the arm Secure the guided arm with the guide pin into the V block Tighten the two screws 2 Apply a small amount of grease on the arm support s 6 sliding surfaces Mount the stop washer 1 Make sure the arm moves freely 20 V...

Page 23: ...Remove the three spring washers 4 and the friction block 5 The friction block may be difficult to rem ove and doesn t necessarily need to be removed to be able to unscrew the zeroing screw 3 Mounting Install the zeroing screw 3 to the middle position Mount the friction block 5 and the spring washers 4 Screw in the socket set screw 2 tightly Loosen the screw 1 8 turn and check that the zeroing scre...

Page 24: ...ned the cam must be removed Remove the drive shaft 1 by hand from the inside If necessary replace defective O rings 2 3 Mounting Apply a small amount of oil to the drive shaft s surface and O rings Install the drive shaft and press into place 22 V100 Positioner ...

Page 25: ...es Removal Pop out the drive by prying two screwdrivers equally under the edges 2 of the drive using the housing as fulcrum Mounting Press the drive down into the drive shaft hole Turn the flats 3 into place and press down Check to see that the drive is set secure ly in place 23 V100 Positioner ...

Page 26: ... is designed with a weak spring 4 and a rubber plug 5 For proper functioning the spring and the rubber plug need to be mounted together The spring turns firmly on the rubber plug s cylindrical section Mounting Install the safety valve 6 with the rubber plug facing the housing Insert the gasket 3 and the tightening cover 2 Mount the screws 1 24 V100 Positioner ...

Page 27: ...heck the seals 3 4 Replace if they are damaged 4 Insert the connection card 5 and the I P converter 6 through the square hole in the housing 5 Secure the I P converter with the screws 7 6 Install the connection card in its seat and secure with the locking screw 10 7 Plug the port 9 marked IP Threading requirements G 1 4 or 1 4 NPT is indicated by the markings on the housing 8 Connect the control s...

Page 28: ...5 SPARE PARTS 5 1 Exploded drawing 26 V100 Positioner ...

Page 29: ...valve W2 10071 1 Pilot valve W3 Standard 10090 1 Screw MCS 5x25 5 SS 1 O ring Ø 5x1 5 NBR 5 Valve gasket 10093 1 22 Gauge plug 10048 4 23 Zero plug nitrile 10005 1 24 Balance arm 10013 1 25 Retainer spring 10075 1 26 Guide pin 10015 1 27 Guided arm complete 10161 1 Ball bearing 1 Zero screw 10091 1 Screw MCS 4x10 SS 1 Bearing 8x8 2 28 Stop washer 10014 1 Screw MCS 4x8 4 SS 1 29 Feedback spring ass...

Page 30: ... 4 0 lbs 1 8kg 4 2 lbs 1 9kg Temp range 40 to 185 Fahrenheit 40 to 85 Celsius Air connectors 1 4 NPT optional G threads Gauges 1 8 NPT optional G threads Cable entry 1 2 NPT optional M20x1 5 or PG 13 5 Ingress corrosion protection NEMA 4X and IP66 Coating Powder Polyester Options Feedback Spring for 6 30 PSI 40 200kPa input signal Gauges Pilot Valves W1 Low Gain Medium Flow Low Bleed for better st...

Page 31: ...6 2 Dimensions 29 V100 Positioner ...

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