Siemens S5-135U/155U appendix Contents

Contents

1	Notes on Using this Manual and on the CE Symbol		1-1
		Notes on Using this Manual	1-1
		Notes on the CE Symbol	1-4
		Notes for Machine Manufacturers	1-6
		Safety Notes	1-7
2	Centralized and Distributed Configuration of a Programmable Controller . . .		2-1
	2.1	Application	2-2
	2.2	Centralized and Distributed Configuration	2-3
	2.2.1	Installing a PLC with Centralized Configuration	2-4
	2.2.2	Installing a PLC with Distributed Configuration	2-5
	2.3	Examples	2-6
3	Installation Guidelines		3-1
	3.1	Principles of Installation of Systems for EMC	3-2
	3.1.1	Overview of Possible Types of Interference	3-2
	3.1.2	The Most Important Basic Rules for Ensuring EMC	3-6
	3.2	Installation of Programmable Controllers for EMC	3-8

3.2.1Basic Rules for Assembling and Grounding the Inactive Metal

	Parts	3-8
3.2.2	Example of Cabinet Assembly for EMC	3-9
3.2.3	Example of Rack and Wall Mounting for EMC	3-11

3.3 Wiring of Programmable Controllers for EMC . . . . . . . . . . . . . . . . . . . . . . . 3-12

3.3.1 Routing of Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12

3.3.2 Equipotential Bonding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14

3.3.3 Shielding of Cables and Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15

3.3.4 Special Measures for Interference-Free Operation . . . . . . . . . . . . . . . . . . . 3-17

3.3.5Checklist for the Electromagnetically Compatible Installation

of Control Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19

3.4 Power Supplies for Programmable Controllers and I/Os . . . . . . . . . . . . . . 3-20

3.4.1 Power Supplies for Control Systems with SIMATIC S5 . . . . . . . . . . . . . . . 3-20

3.4.2 Connecting the Programmable Controller and Load Power . . . . . . . . . . . . 3-21

3.4.3 Connecting Non-Floating or Floating Modules . . . . . . . . . . . . . . . . . . . . . . . 3-26

3.5Interference-Free Installation of Centralized and Distributed

Interface Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-28

3.5.1 Interference-Free Installation of Centralized Interface Circuits . . . . . . . . . 3-28

3.5.2 Interference-Free Installation of Distributed Interface Circuits . . . . . . . . . . 3-28

3.6 Interference-Free Connection of Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30

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