Table Of Contents - Siemens SIPART PS2 PA 6DR55 Series Operating Instructions Manual

Table of contents

1 Introduction.............................................................................................................................................. 11
1.1 Purpose of this document ............................................................................................................11
1.2 History ..........................................................................................................................................11
1.3 Further information.......................................................................................................................12
2 General safety notes................................................................................................................................ 13
2.1 General information .....................................................................................................................13
2.2 Correct usage...............................................................................................................................13
2.3 Laws and directives .....................................................................................................................13
2.4 Measures .....................................................................................................................................14
2.5 Qualified Personnel......................................................................................................................15
3 Description............................................................................................................................................... 17
3.1 Function .......................................................................................................................................17
3.2 Structure.......................................................................................................................................17
3.2.1 Design overview...........................................................................................................................17
3.2.2 Type plate structure .....................................................................................................................20
3.3 Operation with natural gas ...........................................................................................................21
3.3.1 Safety notes for operation with natural gas .................................................................................21
3.3.2 Natural gas as an actuator medium.............................................................................................21
3.4 Device components .....................................................................................................................23
3.4.1 Overview of device components ..................................................................................................23
3.4.2 Motherboard.................................................................................................................................25
3.4.3 Electrical connections ..................................................................................................................25
3.4.4 Pneumatic connections................................................................................................................26
3.4.4.1 Pneumatic connection on the standard controller........................................................................26
3.4.4.2 Pneumatic connection in the flameproof enclosure .....................................................................27
3.4.4.3 Pneumatic connection versions ...................................................................................................27
3.4.5 Purge air switching.......................................................................................................................29
3.4.6 Restrictors ....................................................................................................................................29
3.5 Functional principle ......................................................................................................................30
3.5.1 Control system .............................................................................................................................30
3.5.2 Microcontroller..............................................................................................................................30
3.5.3 Pneumatic actuator ......................................................................................................................31
3.5.4 Control algorithm..........................................................................................................................31
3.6 PROFIBUS PA .............................................................................................................................32
3.6.1 Overview ......................................................................................................................................32
3.6.2 Transmission technology .............................................................................................................32
3.6.3 Bus topology ................................................................................................................................32
3.6.4 Properties.....................................................................................................................................33
3.6.5 Profile ...........................................................................................................................................33
SIPART PS2 with PROFIBUS communication
Operating Instructions, 09/2007, A5E00127926-07
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