Samson 3761, Монтаж и эксплуатация

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Note!
Devices with a CE marking fulfil the requirements of the Directives 94/9/EC and
89/336/EEC.
The declaration of conformity can be viewed and downloaded on the Internet at
http://www.samson.de.
2
EB 8386 EN
Contents
Contents
Page
1 Design and principle of operation . . . . . . . . . . . . . . . . . . . 4
1.1 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Attachment to rotary actuators . . . . . . . . . . . . . . . . . . . . . 7
2.1 Determining the operating direction . . . . . . . . . . . . . . . . . . . 9
2.2 Selecting and aligning the cam disc . . . . . . . . . . . . . . . . . . 10
3 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Pneumatic connections. . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1.1 Pressure gauges . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . 14
4 Operation – Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 16
4.1 Starting point and reference variable . . . . . . . . . . . . . . . . . . 16
4.2 Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2.1 Spring-return actuator: valve CLOSED without supply air . . . . . . . . 17
4.2.2 Spring-return actuator: valve OPEN without supply air . . . . . . . . . 18
4.2.3 Double-acting actuator: valve opens counterclockwise and clockwise . . 18
5 Adjusting the limit switch
. . . . . . . . . . . . . . . . . . . . . . . 20
6 Servicing explosion-protected devices . . . . . . . . . . . . . . . . . 21
7 Dimensions in mm
. . . . . . . . . . . . . . . . . . . . . . . . . . 22
Test certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23