Samson 4763 - Table of Contents

Contents
EB 8359-2 EN
1 Safety instructions and measures ................................................................1-1
1.1 Notes on possible severe personal injury ......................................................1-3
1.2 Notes on possible personal injury ................................................................1-3
1.3 Notes on possible property damage .............................................................1-4
1.4 Special instructions concerning explosion protection ......................................1-5
2 Markings on the device ..............................................................................2-1
2.1 Nameplate .................................................................................................2-1
2.2 Article code ................................................................................................2-2
3 Design and principle of operation ...............................................................3-1
3.1 Technical data ............................................................................................3-3
3.2 Summary of explosion protection approvals ..................................................3-4
3.3 Dimensions in mm .......................................................................................3-5
4 Shipment and on-site transport ...................................................................4-1
4.1 Accepting the delivered goods .....................................................................4-1
4.2 Removing the packaging from the positioner .................................................4-1
4.3 Transporting the positioner...........................................................................4-1
4.4 Storing the positioner ..................................................................................4-1
5 Installation .................................................................................................5-1
5.1 Installation conditions ..................................................................................5-1
5.2 Preparation for installation ...........................................................................5-2
5.2.1 Determining the operating direction of the positioner control loop ...................5-2
5.2.2 Determining on which side of the valve the positioner is to be mounted ...........5-2
5.3 Positioner attachment ..................................................................................5-4
5.3.1 Attachment to valve with cast yoke ...............................................................5-4
5.3.2 Attachment to valve with rod-type yoke .........................................................5-4
5.4 Pneumatic connection ..................................................................................5-4
5.4.1 Pressure gauges ..........................................................................................5-6
5.4.2 Supply pressure ..........................................................................................5-6
5.5 Selecting the range spring ...........................................................................5-6
5.6 Adjusting the positioner ...............................................................................5-9
5.6.1 Air output capacity and proportional band X
P ........................................................................... 5-9
5.6.2 Zero and span ..........................................................................................5-10
5.7 Electrical connection ..................................................................................5-11
5.8 Accessories and mounting parts .................................................................5-13
6 Start-up .....................................................................................................6-1
7 Operation ..................................................................................................7-1