Bosch PIN8 N1 Spezifikationen Seite 288

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7-2 Fibre-optics cable connections Rexroth SYNAX 200
DOK-SYNAX*-SY*-12VRS**-PR01-EN-P
Ring structure of the optical transmission in the drive ring
The connection between the motion control (PPC) and the digital drives is
conducted with help of fibre-optics cables (LWL).
A ring structure as defined in SERCOS interface (IEC 61491 or EN
61491) is used.
YF000223V01_EN.bmp
Fig. 7-1: Ring structure drive ring
The ring starts and ends at the motion control. The optical output of the
motion control is connected with the optical input of the first drive. Its out-
put is connected to the input of the next drive and so on. The output of the
final drive is connected to the input of the motion control.
Each drive is assigned its own drive address. It can be selected inde-
pendently of the position within the fibre-optics cable ring. The drive ad-
dress is set at the communications board (e.g., DSS 2.1) using a rotary
switch.
SERCOS interface (IEC 61491 or
EN 61491)
Drive address
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