Siemens SIMATIC NET PROFIBUS Installing LAN Cables, Installing Network Components in Cubicles

Contents

	A.2.4	Checking the Optical Signal Quality with PROFIBUS OLM V3	A-12
B	Lightning and Surge Voltage Protection for LAN Cables Between Buildings		B-1
	B.1	Why Protect Your Automation System From Overvoltage?	B-2
	B.2	Protecting LAN Cables from Lightning	B-2
	B.2.1	Instructions for Installing Coarse Protection	B-5
	B.2.2	Instructions for Installing Fine Protection	B-6
	B.2.3	General Information on the Lightning Protection Equipment from the Firm of
		Dehn & Söhne	B-7
C	Installing LAN Cables		C-1
	C.1	LAN Cables in Automation Systems	C-2
	C.2	Electrical Safety	C-3
	C.3	Mechanical Protection of LAN Cables	C-4
	C.4	Electromagnetic Compatibility of LAN Cables	C-7
	C.4.1	Measures to Counter Interference Voltages	C-7
	C.4.2	Installation and Grounding of Inactive Metal Parts	C-8
	C.4.3	Using the Shields of Electrical LAN Cables	C-8
	C.4.4	Equipotential Bonding	C-10
	C.5	Routing Electrical LAN Cables	C-13
	C.5.1	Cable Categories and Clearances	C-13
	C.5.2	Cabling within Closets	C-16
	C.5.3	Cabling within Buildings	C-16
	C.5.4	Cabling outside Buildings	C-17
	C.5.5	Special Noise Suppression Measures	C-18
	C.6	Electromagnetic Compatibility of Fiber-Optic Cables	C-20
	C.7	Installing LAN Cables	C-21
	C.7.1	Instructions for Installing Electrical and Optical LAN cables	C-21
	C.8	Additional Instructions on Installing Fiber-Optic Cables	C-24

DInstallation Instructions for SIMATIC NET PROFIBUS Plastic Fiber-Optic with Simplex Connectors or BFOC Connectors and Pulling Loop for the FO Standard

Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-1

E	Installing Network Components in Cubicles		E-1
	E.1	IP Degrees of Protection	E-1
	E.2	SIMATIC NET Components	E-3
F	Dimension Drawings		F-1
	F.1	Dimension Drawings of the Bus Connectors	F-2
	F.2	Dimension Drawings of the RS-485 Repeater	F-5
	F.3	Dimension Drawing of the PROFIBUS Terminator	F-6
	F.4	Dimension Drawings of the RS-485 Bus Terminal	F-7
	F.5	Dimension Drawings of the BT12M Bus Terminal	F-8
	F.6	Dimension Drawings of the Optical Bus Terminal OBT	F-9

vi	PROFIBUS Networks SIMATIC NET
	6GK1970-5CA20-0AA1 Release 2 05/2000