User Manual M3000® Automation System / MSC II (Moog Servo ...
User Manual M3000® Automation System / MSC II (Moog Servo ...
User Manual M3000® Automation System / MSC II (Moog Servo ...
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7 Networking M3000 ® Modules Profibus<br />
7.3 Profibus<br />
7.3.1 Overview<br />
The Profibus is a differential two wire bus. The transmission physics of the<br />
serial bus system is defined by the TIA/EIA-485 specification. Shielded<br />
twisted pair copper cable with one conductor pair is typically used. The bus<br />
structure allows addition or removal of stations or the step-by-step commissioning<br />
of the system without influencing other stations.<br />
• Various transmission rates<br />
• Uniform speed for all devices on the bus<br />
• Connection of up to 32 stations without additional repeater possible<br />
7.3.2 M3000 ® Modules with Profibus DP Interfaces<br />
Information about the Profibus interface cable:<br />
�-"7.3.4-Profibus Interface Cable" on page 52<br />
Information about the Profibus interface of the <strong>MSC</strong> <strong>II</strong>:<br />
�-"10.11-Profibus DP Interface" on page 100<br />
The M3000 ® modules mentioned here represent only a part of <strong>Moog</strong>'s current<br />
product range. In addition to other M3000 ® modules, <strong>Moog</strong>'s product range<br />
includes a large variety of accessories.<br />
�-"11-Product Range" on page 114<br />
Refer to the relevant documentation for detailed information about the Profibus<br />
interfaces of the other M3000 ® modules.<br />
7.3.3 Profibus Networks<br />
7.3.3.1 Wiring<br />
Always observe the following when wiring Profibus networks:<br />
• EC 61158/EN 50170<br />
The cables, mating connectors, and termination resistors used in Profibus<br />
networks must comply with IEC 61158/EN 50170. It is recommended<br />
to use only connections of cable type A, to use the full bandwidth<br />
of 12 Mbaud.<br />
• Specifications for interface cables<br />
�-"7.3.4.4-Suitable Cables" on page 53<br />
• Linear structure of Profibus<br />
Avoid branching. Short stub cables with a T-adapter or special Profibus<br />
connectors with internal T-adapter are permitted.<br />
�-"7.3.3.2-Bus Structure of the Profibus" on page 51<br />
• Stub cables as short as possible<br />
Maximum length of all stub cables < 6.6 m at baud rates < 1500 kbit/s.<br />
No stub cables recommended at higher baud rates.<br />
• Profibus termination resistors<br />
At both ends of the Profibus network, termination resistors must be connected<br />
to guarantee specified signal levels.<br />
• Adapt transmission rate to cable length<br />
It is necessary to adapt the transmission rate to the length of the Profibus<br />
interface cable.<br />
�-"7.3.4.3-Cable Lengths" on page 53<br />
Overview<br />
M3000 ® Modules with<br />
Profibus DP Interfaces<br />
Wiring Profibus Networks<br />
© <strong>Moog</strong> GmbH <strong>User</strong> <strong>Manual</strong> M3000 ® and <strong>MSC</strong> <strong>II</strong> (CA65865-001; Version 1.1, 08/08) 50
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