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Quick Links. Download this manual. Table of Contents. Supported Product. Supported products may not be manufactured again in any Emerson Process Management location under any.
Spare parts availability is 7 years of best effort. Technical support is available. Instruction manuals for supported products may be updated, if required, to support products in the field. They are not. Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Emerson Process. All other marks are the property of their respective. The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not. All sales are. We reserve the right to modify or improve the designs or specifications of such. All rights reserved. Digital valve controller pst calibration and testing using valvelink software 26 pages.
Digital valve controller linear actuator side mount 8 pages. Configuring for throttling control using valvelink software 4 pages.
Conventions Used in this Manual. Page Scope Of Manual Figure Sliding-Stem Control Valve with cautions and warnings. Some of the procedures also contain the sequence of Page 15 Introduction and Specifications Table Page 17 Introduction and Specifications Table Page 19 Introduction and Specifications Table Page 21 Introduction and Specifications Table If using natural gas as the plastic cover when flammable gases pneumatic supply medium, natural gas will be used in or dust are present, do not rub or the pneumatic output connections of the DVC to clean the cover with solvents.
B-9 for typical FM nameplates. Page Dvc On Long-Stroke DVC Digital Valve Controllers Note Note When performing the following steps, Do not use the stainless steel ensure there is enough clearance DVCS in high vibration service between the adjustment arm and the where the mounting bracket uses feedback arm to prevent interference standoffs spacers to mount to the with the bias spring.
If required, attach the spacer to the actuator shaft. Note Refer to figures and Refer to the following guidelines when mounting on sliding-stem actuators with up to 4 inches of travel.
Where a key number is referenced, figure Page 37 Installation 8. Install the external lock washer on the adjustment installations use the long feedback arm [62 mm 2. Position the adjustment arm in the slot of the inches from roller to pivot point]. Installations on connector arm and loosely install the flanged hex nut. If necessary, reposition the cam to attain alignment. Page 39 Installation 5. Attach the travel indicator, to the shaft connector or spacer as described in the mounting kit instructions.
Note 6. Attach the mounting bracket to the remote feedback unit. ValveLink software and the Field 7. Position the remote feedback unit so that the pin on Communicator use the convention of the travel indicator, engages the slot in the feedback clockwise figure and Page 42 Contact your Supply and output pressure gauges may be supplied Emerson Process Management sales office for on the digital valve controller.
The output pressure information on obtaining a Natural Gas Certified, gauges can be used as an aid for calibration. Page Output Connections Installation Output Connections A factory mounted digital valve controller has its output piped to the pneumatic input connection on the actuator. Install a pipe plug in the vent-away into the surrounding atmosphere.
Page Remote Travel Sensor Connections 4. Connect one wire of the 3-conductor shielded cable between terminal 1 on the feedback unit and terminal D Emerson Process Management supplied 1 on the base unit. Connect the second wire of the 3-conductor Page 49 Installation 4. Connect the second wire of the 3-conductor shielded cable between the middle lead wiper of the 10 kOhm potentiometer to Terminal 2 on the base unit.
Connect the third wire of the 3-conductor shielded 9. Replace and tighten the base unit cover. Page Communication Connections Installation Test Connections Communication Connections WARNING WARNING Personal injury or property damage Personal injury or property damage caused by fire or explosion may occur caused by fire or explosion may occur if this connection is attempted in a if this connection is attempted in a potentially explosive atmosphere, or potentially explosive atmosphere or in in an area that has been classified as Control System Requirements Contact your Emerson Process Management sales There are several parameters that should be checked office if assistance is needed to determine if your to ensure the control system is compatible with the system requires a filter.
Page 54 to the control system terminals. For specific parameter information relating to your 2. Set the control system to provide maximum output control system, contact your Emerson Process current.
Management sales office. Page Maximum Cable Capacitance Burst cable length, select a wire with lower capacitance per Command 3. In burst mode, the digital valve controller foot.
Each burst message contains the latest value of the primary analog input , secondary 1. Configuration Protection.
Changes to the instrument setup may To view the instrument mode, press the Hot Key and cause changes in the output pressure select Instrument Mode. Page 59 Basic Setup Communicator sets the setup parameters to the Table Factory Default Settings values listed in table If you select NO for the Setup Parameter Default Setting factory defaults, the setup parameters listed in the Analog Input Units table remain at their previous settings.
For additional information on using the Performance Tuner, refer to Using the Performance Tuner in this section. Front Cover Detailed Setup. Factory Default Detailed Setup Parameters continued Enabling burst mode provides continuous Default Setup Parameter communication from the digital valve controller. Burst Setting mode applies only to the transmission of burst mode Instrument Time Invalid Enable data analog input, travel target, pressure, and travel Calibration in Progress Enable and does not affect the way other data is accessed.
Page 65 Detailed Setup Table The Performance Tuner is used to optimize digital valve controller tuning. See Depends upon pneumatic connections. During operation, the travel target will instrument is set up for position or pressure control.
Because the digital valve controller is constantly in control and not allowed to reach a dormant or saturated state, it is constantly testing its own pneumatic system. If there is an output pressure deviation, for example, the instrument will issue an alert.
A value of 0. Page 73 Detailed Setup Sensor Alerts point, the supply pressure alert is active. Page 75 Detailed Setup Deadband exceeded, Deadband exceeded, and direction new Reference Point changed, new Reference Point established established This amount of change is Point at which added to the Travel Deadband Reference cycle is counted. Deadband Reference Accumulator. Alerts Included in Alert Groups for Alert Record pressure that will cause the partial stroke test to stop.
General When enabled indicates that calibration is in progress. Factory default is No. Instrument goes to full supply Failure direction cannot air output at port B.
A goes to Double-Acting Relay A be determined zero air output. This is the pause time between the up and down strokes of the test. Page 81 Detailed Setup To manually set the partial stroke pressure limit, Table Travel Calibration.
Page 84 DVC Digital Valve Controllers Calibration Overview When a DVC digital valve controller is ordered as Note part of a control valve assembly, the factory mounts the digital valve controller on the actuator and The Instrument Mode must be Out Of connects the necessary tubing, then sets up and Service and the Protection set to None calibrates the controller.
Select Yes to adjust the relay. Select No to proceed with Auto Travel Calibration. For additional information, refer to Relay Adjustment in this section. For additional information Input current must must be greater than 3. Page Digital Calibration Adjust Calibration 6.
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