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Siemens SIMATIC NET PROFIBUS User Manual
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G-1
PROFIBUS Networks SIMA
TIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
Operating Instructions ILM / OLM / OBT
G
338
340
Table of Contents
Table of Contents
5
Profibus Networks
11
Local Area Networks in Manufacturing and Process Automation
12
Overview of the SIMATIC NET System
13
Cable
14
Basics of the PROFIBUS Network
15
Standards
17
Access Techniques
18
Transmission Techniques
19
Transmission Techniques According to EIA Standard
20
Transmission Techniques for Optical Components
22
Transmission Technique for Wireless Infrared Technology
24
Transmission Technique for PROFIBUS-PA
25
Topologies of SIMATIC NET PROFIBUS Networks
27
Topologies of RS-485 Networks
28
Components for Transmission Rates up to 1.5 Mbps
29
Components for Transmission Rates up to
30
Mbps
30
Topologies of Optical Networks
31
Topology with Integrated Optical Interfaces
32
Topologies with Olms
33
Combination of Integrated Optical Interfaces and Olms
39
Topologies of Wireless Networks
40
Topologies with PROFIBUS-PA
43
Connectivity Devices
46
Connecting to PROFIBUS-PA
48
DP/PA Coupler
49
DP/PA Link
51
Connecting PROFIBUS-DP to RS-232C
54
Connecting with the DP/AS-Interface Link 65
56
Connecting with the DP/AS-Interface Link 20
59
Connecting PROFIBUS-DP to Instabus EIB
62
Configuring Networks
67
Configuring Electrical Networks
68
Segments for Transmission Rates up to a Maximum of 500 Kbps
69
Segments for a Transmission Rate of 1.5 Mbps
70
Segments for Transmission Rates up to a Maximum of
74
Configuring Electrical Networks with RS-485 Repeaters
75
Configuring Optical Networks
77
How a Fiber-Optic Cable Transmission System Works
78
Optical Power Budget of a Fiber-Optic Transmission System
80
Cable Lengths for Plastic and PCF FO Paths
83
Calculating the Power Budget of Glass Fiber Optical Links with Olms
84
Transmission Delay Time
88
Configuring Optical Buses and Star Topologies with Olms
89
Configuring Redundant Optical Rings with Olms
93
Example of Configuring the Bus Parameters in STEP 7
96
Passive Components for RS-485 Networks
99
SIMATIC NET PROFIBUS Cables
100
FC-FRNC Cable (LAN Cable with Halogen-Free Outer Sheath)
106
FC Food Cable
107
FC Robust Cable
108
PROFIBUS Flexible Cable
109
FC Underground Cable
111
FC Trailing Cable
112
PROFIBUS Festoon Cable
116
SIENOPYR-FR Marine Cable
120
Fastconnect Bus Connector
122
Area of Application and Technical Specifications of the Fastconnect Bus Connector
123
Using the Fastconnect Stripping Tool for Preparing FC Cables
128
Index
128
Bus Connectors
130
Area of Application and Technical Specifications of the Bus Connector
131
Attaching the LAN Cable to the Bus Connector
135
Attaching the LAN Cable to Bus Connector (6ES7 972-0B.11
135
Connecting the LAN Cable to Bus Connector (6ES7 972-0BA30-0XA0)
138
Connecting the LAN Cable to Bus Connector (6ES7 972-0B.40)
138
Connecting the LAN Cable to Bus Connector (6ES7 972-0B.40)
140
Installing the Bus Connector with Axial Cable Outlet
142
Plugging the Bus Connector into the Module
144
Bus Terminals for RS-485 Networks
146
Versions
146
Design and Functions of the RS-485 Bus Terminal
147
Design and Functions of the 12M Bus Terminal
150
Mounting/Attaching the LAN Cables
153
Grounding
156
Technical Data of the RS-485 Bus Terminal
158
Technical Data of the 12M Bus Terminal
159
Cable Connections
161
Cable Connections to Network Components
161
Cable Connection Without Bus Connection Elements
161
Preassembled Connecting Cables
163
T Connecting Cable
163
Connecting Cable
165
Active Components for RS-485 Networks
167
RS-485 Repeater
168
Possible Configurations with the RS-485 Repeater
172
Installing and Uninstalling the RS-485 Repeater
175
Ungrounded Operation of the RS-485 Repeater
178
Connecting the Power Supply
179
Connecting the LAN Cable
180
PROFIBUS Terminator
181
Passive Components for PROFIBUS-PA
185
FC Process Cable
186
Splitconnect Tap
187
Passive Components for Electrical Networks
197
Fiber-Optic Cables
198
Plastic Fiber-Optic Cables
199
Plastic Fiber Optic, Duplex Cord
201
Plastic Fiber-Optic, Standard Cables
203
PCF Fiber-Optic Cables
206
Glass Fiber-Optic Cables
209
Fiber-Optic Standard Cable
213
INDOOR Fiber-Optic Cable
214
Flexible Fiber-Optic Trailing Cable
215
SIENOPYR Duplex Fiber-Optic Marine Cable
218
Special Cables
220
Fiber-Optic Connectors
222
Connectors for Plastic Fiber-Optic Cables
222
BFOC Connectors for Olms
226
Connectors for Glass Fiber Cables
226
Active Components for Optical Networks
229
Optical Bus Terminal OBT
230
Optical Link Module OLM
232
Active Components for Wireless Networks
237
Infrared Link Module ILM
238
A Testing PROFIBUS
241
A.1 Hardware Test Device BT200 for PROFIBUS-DP
242
A.1.1 Possible Uses
242
A.1.2 Area of Application
242
A.1.3 Logging Functions
242
A.1.4 Design
243
A.1.5 Functions
244
A.1.6 How the Unit Functions
245
A.2 Testing FO Transmission Paths
247
A.2.1 Necessity of a Final Test
247
A.2.2 Optical Power Source and Meter
247
A.2.3 Optical Time Domain Reflectometer (OTDR)
249
A.2.4 Checking the Optical Signal Quality with PROFIBUS OLM V3
252
B Lightning and Surge Voltage Protection for LAN Cables between Buildings
255
B.1 Why Protect Your Automation System from Overvoltage?
256
B.2 Protecting LAN Cables from Lightning
256
B.2.1 Instructions for Installing Coarse Protection
259
B.2.2 Instructions for Installing Fine Protection
260
B.2.3 General Information on the Lightning Protection Equipment from the Firm of Dehn & Söhne
261
C Installing LAN Cables
263
C.1 LAN Cables in Automation Systems
264
C.2 Electrical Safety
265
C.3 Mechanical Protection of LAN Cables
266
C.4 Electromagnetic Compatibility of LAN Cables
269
C.4.1 Measures to Counter Interference Voltages
269
C.4.2 Installation and Grounding of Inactive Metal Parts
270
C.4.3 Using the Shields of Electrical LAN Cables
270
C.4.4 Equipotential Bonding
272
C.5 Routing Electrical LAN Cables
275
C.5.1 Cable Categories and Clearances
275
C.5.2 Cabling Within Closets
278
C.5.3 Cabling Within Buildings
278
C.5.4 Cabling Outside Buildings
279
C.5.5 Special Noise Suppression Measures
280
C.6 Electromagnetic Compatibility of Fiber-Optic Cables
282
C.7 Installing LAN Cables
283
C.7.1 Instructions for Installing Electrical and Optical LAN Cables
283
C.8 Additional Instructions on Installing Fiber-Optic Cables
286
Product Information
315
E.1 IP Degrees of Protection
321
E.2 SIMATIC NET Components
323
F Dimension Drawings
325
F.1 Dimension Drawings of the Bus Connectors
326
F.2 Dimension Drawings of the RS-485 Repeater
329
F.3 Dimension Drawing of the PROFIBUS Terminator
330
F.4 Dimension Drawings of the RS-485 Bus Terminal
331
F.5 Dimension Drawings of the BT12M Bus Terminal
332
F.6 Dimension Drawings of the Optical Bus Terminal OBT
333
F.7 Dimension Drawings Infrared Link Module ILM
335
F.8 Dimension Drawings Optical Link Module OLM
336
G Operating Instructions ILM / OLM / OBT
339
Table of Contents
345
The Product
347
Description of the Device
350
Description of the Functions
352
Signal Regeneration
360
Monitoring the Received Optical Level
360
Constant Light Monitoring
360
Monitoring the Optical Link
361
Modes and Settings
363
Setting the Terminating Resistor
364
Setting the Transmission Rate
365
Operation with Acknowledgment Pulse
366
Operation with Signaling Contact
367
General Notes on Installation and Startup
370
Installing the Profibus Ilm
372
Connecting the Electrical Rs 485 Bus Cables
378
Connecting the Power Supply and the
380
Signaling Contact
380
Table of Contents
399
1 Introduction
401
2 General Functions
403
Non Operating Mode Related Functions
403
Operating Mode Related Functions
403
3 Network Topologies
405
Line Topology
405
Line Topology with Optical Fiber Link Monitoring and Segmentation
406
Line Topology Without Optical Fiber Link Monitoring
407
Star Topology
408
Redundant Optical Ring
409
4 Setting up
411
Safety Notice
411
General Information about Setting up
412
Setting Compatibility, Operating Mode and Transmitting Power
413
Setting the Compatibility
413
Setting the Operating Mode
414
Reducing the Optical Transmitting Power on the OLM/P11 and OLM/P12
415
Installation
416
Connecting the Optical Lines
416
Mounting the Modules
417
Connecting the Electric RS 485 Bus Lines
418
Connecting the Power Supply
419
Connecting the Signaling Contact Lines
419
Defining the Receiving Level of the Optical Ports
420
5 LED Indicators and Troubleshooting
421
LED Indicators
421
Troubleshooting
423
6 Configuration
425
Configuration of Optical Line and Star Topologies
425
Configuration of Redundant Optical Rings
425
7 Technical Data
427
8 Appendix
429
CE Designation
429
Literature Notes
430
List of Abbreviations
430
Measuring Sockets
431
Table of Contents
437
1 Introduction
439
2 The SIMATIC NET PROFIBUS OBT Product
441
3 Functional Description
443
Interfaces
443
Optoelectric Signal Conversion and Signal Regeneration
443
Automatic Transmission Rate Detection
444
Supported FO Fiber Types
444
Displays
444
Operator Controls
446
4 Network Topology
447
Optical Bus
447
Using Long Fiber Optic Sections
448
Attaching RS-485 Segments
449
5 Installation and Startup
451
Precedure for Installation
452
Installation
453
6 Troubleshooting
459
7 Technical Specifications
461
8 Notes on the CE Label
465
9 References
467
10 Abbreviations
469
H.1 Abbreviations/Acronyms
473
SIMATIC NET - Support and Training
479
Glossary
481
4
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Siemens SIMATIC NET PROFIBUS Specifications
General
Brand
Siemens
Model
SIMATIC NET PROFIBUS
Category
Network Hardware
Language
English
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