5
1 Introduction
Version 2.4 04/07
1 Introduction
The PROFIBUS Repeaters OZD Profi 12M …
䡲
OZD Profi 12M P11,
䡲
OZD Profi 12M P12,
䡲
OZD Profi 12M G11,
䡲
OZD Profi 12M G12,
䡲
OZD Profi 12M G12 EEC,
䡲
OZD Profi 12M G11-1300,
䡲
OZD Profi 12M G12-1300
and
OZD Profi 12M G12-1300 EEC
are designed to be used in optical PROFIBUS field bus
networks. They enable electrical PROFIBUS interfaces
(RS 485 level) to be converted into optical PROFIBUS
interfaces and vice-versa.
Table 1, p. 6 shows the different methods for connecting
the modules, and the maximum optical ranges of each
port.
By profiting from the familiar advantages of optical trans-
mission technology, the modules can be integrated into
existing PROFIBUS field bus networks.
A complete PROFIBUS field bus network with modules in
line, star or ring topology, and an arbitrary combination
of these, can also be built up.
The redundant ring is also supported, thereby increasing
the fail-safety of the field bus network.
Each module has two or three mutually independent
ports, which in turn consist of a transmitting and a
receiving component.
The device is powered by 24V DC voltage. A redundant
feed increases operational safety.
The electric port is a 9-pole Sub-D socket (female). An
RS 485 bus segment in line with the PROFIBUS standard
EN 50170 can be connected to this port.
The optical fibers are connected using BFOC /2.5 (ST
®
)
connectors.
Four multicolored light-emitting diodes indicate the
current operating status and possible operating mal-
functions.
One measuring output is available for each optical port
where the optical input level can be measured using a
conventional voltmeter.
System
OZD Profi 12M
Receive
Signal
Intensity
CH 1
CH 1
CH 2
CH 2
GND
CH 3
CH 3
Operating voltage supply /
signaling contact
5-pole terminal block
Port 1
electric,
Sub-D socket
Port 2
optical,
BFOC/2.5
socket
Port 3
optical,
BFOC/2.5
socket
LED Indicators
Measuring
sockets
Fig.1: OZD Profi 12M … module showing the location of the
LED indicators, measuring sockets and the individual ports.
