Table of contents
Fail-safe signal modules
10
Installation and Operating Manual, 01/2010, A5E00085586-10
7
General technical data............................................................................................................................. 59
7.1
Introduction ..................................................................................................................................59
7.2
Standards and Approvals.............................................................................................................59
7.3
Electromagnetic Compatibility......................................................................................................62
7.4
Shipping and storage conditions..................................................................................................68
7.5
Mechanical and Climatic Environmental Conditions....................................................................68
7.6
Specifications for Nominal Line Voltages, Isolation Tests, Protection Class, and Degree of
Protection.....................................................................................................................................70
8
Digital modules ........................................................................................................................................ 73
8.1
Introduction ..................................................................................................................................73
8.2
Discrepancy analysis at the fail-safe digital input modules .........................................................74
8.3
SM 326; DI 24 x DC 24V..............................................................................................................76
8.3.1
Properties, Front View, Connection Diagram, and Block Diagram..............................................76
8.3.2
Use cases for the SM 326; DI 24 24V DC ...................................................................................82
8.3.3
Application 1 : Standard Mode.....................................................................................................83
8.3.4
Application 2 : Standard operation with high availability..............................................................84
8.3.5
Application 3: Safety mode SIL2/Cat.3/PLd.................................................................................86
8.3.6
Application 4: Safety mode SIL2/Cat.3/PLd with high availability (in S7 F/FH Systems
only) .............................................................................................................................................88
8.3.7
Application 5: Safety mode SIL3/Cat.4/PLe.................................................................................90
8.3.8
Application 6: Safety mode SIL3/Cat.4/PLe with high availability (in S7 F/FH Systems
only) .............................................................................................................................................94
8.3.9
Diagnostic messages of SM 326; DI 24 x DC 24V ......................................................................99
8.3.10 Technical data - SM 326; DI 24 x DC 24V.................................................................................102
8.4
SM 326; DI 8 x NAMUR .............................................................................................................105
8.4.1
Properties, front view, wiring diagram and block diagram .........................................................105
8.4.2
Special Features when Wiring SM 326; DI 8 x NAMUR for Hazardous Areas..........................109
8.4.3
Cases of application of SM 326; DI x 8 NAMUR .......................................................................113
8.4.4
Application 1: standard mode and application 3: safety mode SIL 2 (Category 3)....................114
8.4.5
Application 2: standard mode with high availability and application 4: safety mode SIL 2
(Category 3) with high availability (only in S7 F/FH Systems)...................................................115
8.4.6
Application 5: Safety mode SIL3/Cat.4/PLe...............................................................................117
8.4.7
Application 6: Safety mode SIL3/Cat.4/PLe with high availability (in S7 F/FH Systems
only) ...........................................................................................................................................119
8.4.8
Diagnostic Messages for SM 326; DI 8 x NAMUR ....................................................................121
8.4.9
Technical data - SM 326; DI 8 x NAMUR ..................................................................................124
8.5
SM 326; DO 8 x DC 24V/2A PM................................................................................................127
8.5.1
Properties, front view, wiring diagram and block diagram .........................................................127
8.5.2
SM 326; DO 8 x DC 24V/2A PM applications............................................................................130
8.5.3
Application 1: Safety Mode SIL2/Cat.3/PLd and application 2: Safety mode
SIL3/Cat.4/PLe...........................................................................................................................131
8.5.4
Diagnostic messages of SM 326; DO 8 x DC 24V/2A PM ........................................................133
8.5.5
Technical data - SM 326; DO 8 x DC 24V/2A PM .....................................................................138
8.6
SM 326; DO 10 x DC 24V/2A (6ES7326-2BF01-0AB0) ............................................................141
8.6.1
Properties, front view, wiring diagram and block diagram .........................................................141
8.6.2
SM 326; DO 10 x DC 24V/2A applications ................................................................................145
8.6.3
Application 1: Standard mode, application 3: Safety Mode SIL2/Cat.3/PLd and
application 5: Safety mode SIL3/Cat.4/PLe ...............................................................................146
Содержание Simatic S7-300
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Страница 344: ...Glossary Fail safe signal modules 344 Installation and Operating Manual 01 2010 A5E00085586 10 ...
Страница 356: ...Product Information 4 A5E03004206 01 ...