Samson 4746, Монтаж и эксплуатация

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Contents
EB 8365 EN 3
1 General safety instructions .............................................................................5
2 Design and principle of operation ..................................................................6
2.1 Principle of operation .....................................................................................6
2.1.1 Type 4746-x Inductive Limit Switch ..................................................................6
2.1.2 Type 4746-x3 Electric Limit Switch ...................................................................6
2.1.3 Type 4746-04 Pneumatic Limit Switch ..............................................................6
2.2 Article code and versions ...............................................................................8
2.3 Technical data .............................................................................................10
2.4 Accessories .................................................................................................12
2.5
Summary of explosion protection approvals ...................................................12
3 Attachment to the valve ...............................................................................14
3.1 Attachment to valve with cast yoke ................................................................14
3.2 Attachment to valve with rod-type yoke ..........................................................14
3.3 Attachment to Type 3591 Valve .....................................................................16
3.4 Attachment to positioner ...............................................................................18
4 Connections ................................................................................................19
4.1 Electrical connection ..................................................................................... 19
4.1.1 Switching amplifier for Type 4746-x2 ............................................................21
4.2 Pneumatic connection for Type 4746-04 ........................................................21
5 Operation ...................................................................................................22
5.1 Adjusting the switching point ........................................................................22
5.1.1 Type 4746-x2 ..............................................................................................22
5.1.2 Type 4746-x3 and Type 4746-04 .................................................................23
6 Servicing explosion-protected devices ..........................................................24
7 Maintenance and calibration .......................................................................24
8 Dimensions .................................................................................................25
9 Certificates ..................................................................................................26