How to Calibrate the Fisher 3582i Positioner

my name is Alex and I'm a marketing engineer from Fisher in this video we'll be demonstrating the setup and calibration 3582 eye on a fish a 6 6 7 size study actuator the TV 582 is an electric pneumatic valve positioner which takes the fall to 20 input signal and positions the lot accordingly it is also available as the 3582 which is a pneumatic positioner and accepts the pneumatic input signal in this demonstration we are using the 3582 eye with a Fisher 667 actuator a reverse acting actuator and also with a pushdown to closed valve this means that as the signal increases from 4 to 20 milliampere the air to the actuator will increase and open the valve before start the English ensure that we have the right tools here we have a tree by 8 inch wrench a 1/2 inch wrench a Philips screwdriver and for the 20 milliampere signal generator with this we are ready to begin with the proposition of properly mounted we can first open the cover and remove the spawn stripping sponge from here we need to check that the camp is correctly mounted you know in our case the arrow and the cam should be pointed up this means that when you put air into the actuator the stem moves up which is correct in our setup for details on how to change the cam arrangement please refer to the instruction manual before starting the calibration we should ensure that the feedback arm on the 3582 I is mounted correctly this can be done by moving the valve to its mid travel either via a hand view about introducing air into the actuator directly and then travel the feedback arm should be perpendicular to the 3582 are the travel pin should be positioned based on the valve maximum travel in this case it is 3/4 inches and we position it at 1 1 by 8 or less from here we will fully struck the valve from close to open and sharing that the odd let's not we'll take out the range inscribe on the arm the next check is for the pneumatic and electrical connections the air supply is connected to the regulator which supplies air to the 3582 I the output of the 32 582 I is connected to the actuator the electrical connections are connected to the 582 I module to the power source generator you start calibration you first apply an input signal equal to the low value of the input signal range in this case 4 milli amperes we first using the nozzle locknut then adjust the nozzle for 0 valve position changing the nozzle position is intended only as a means of zero trim adjustment whenever in other position is changed the zero reference point is changed after the zero trim adjustment we apply an input signal equal to the high value of the input signal range in this case 20 milli amperes and observe the actuator stem actuator stem should be at the expected travel at the stem travel is short of his expected range increase the travel by moving the flapper assembly to a higher number on the beam and vice versa to decrease the travel each time the pepper assembly position is changed click the low input signal and to ensure that the valve position is at the zero position keep repeating the zero and span adjustment until the correct travel is achieved lastly we carry out a five-point inner engine starting at 4 milliampere to 8 milliampere to 12 million PS to 16 and finally to 20 milli amperes the valve should move from zero percent to 25 percent 50 percent 75 percent and finally fully open respectively with that we are done with the calibration

Channel: AR Valve Resources

Views: 34,320

Rating: 4.8627453 out of 5

Keywords: EMERSON, FISHER, 3582I, POSITIONER, CALIBRATING, ARVR

Id: msDmqmbAyaI

Length: 4min 41sec (281 seconds)

Published: Wed Mar 23 2016