Siemens SIMATIC NET PROFIBUS manual Operating Instructions, 6GK1 500-3AA00

Active Components for Optical Networks

Functions

SAttachment of a PROFIBUS RS-485 segment

SProvides an electrical attachment to the optical PROFIBUS (for example a PG attachment for commissioning and diagnostics)

SSupports all PROFIBUS transmission rates from 9.6 kbps to 1.5 Mbps and 12 Mbps

SThe OBT regenerates the signals in amplitude and time.

SCascading depth when using user-defined bus parameters up to 126 nodes

SIsolation of the DP node via fiber-optic cable

SSimple diagnostics with LEDs for operating voltage and for data reception CH1, CH2 and CH3.

Ordering Data:	Order no.
PROFIBUS OBT	6GK1 500-3AA00
Optical bus terminal for attachment of a
PROFIBUS RS-485 segment to an optical bus
without simplex connector

Operating Instructions

The full Operating Instructions for Optical Bust Terminal OBT are included in the Appendix of this manual.

PROFIBUS Networks SIMATIC NET	8-3
6GK1970-5CA20-0AA1 Release 2 05/2000