OZD Profi 12M P11 943 728-221
OZD Profi 12M P12 943 728-321
OZD Profi 12M G11 943 727-221
OZD Profi 12M G12 943 727-321
OZD Profi 12M G12-EEC 943 730-321
OZD Profi 12M G11-1300 943 729-221
OZD Profi 12M G12-1300 943 729-321
OZD Profi 12M G12-1300 EEC 943 256-321
Description and Operating Instructions 039 629-001
PROFIBUS-Repeater OZD Profi 12M …
The PROFIBUS Repeaters OZD Profi 12M …
OZD Profi 12M P11,
OZD Profi 12M P12,
OZD Profi 12M G11,
OZD Profi 12M G12,
OZD Profi 12M G12 EEC,
OZD Profi 12M G11-1300,
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
By profiting from the familiar advantages of optical transmission 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
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®)
Four multicolored light-emitting diodes indicate the
current operating status and possible operating malfunctions.
One measuring output is available for each optical port
where the optical input level can be measured using a
OZD Profi 12M
CH 2 CH 2
Operating voltage supply /
5-pole terminal block
Fig.1: OZD Profi 12M … module showing the location of the
LED indicators, measuring sockets and the individual ports.
6 Version 8 02/2016
Different OZD Profi 12M … malfunction reports are provided as an accumulative signal via a signaling contact
(relay with unconnected contacts) for further processing.
The mechanical design consists of a compact, stable
metal housing which can be mounted on a hat rail or
mounting plate as required.
The module is configured using easily accessible
The OZD Profi 12M … complies with the standard
EN 50170 and the technical guidelines issued by the
PROFIBUS user organization, PNO, ”PROFIBUS optical
OZD Profi 12M G12 and OZD Profi 12M G12-EEC have
the same function. They only differ in the specification
of the climatic ambient conditions: while the OZD Profi
12M G12 is suitable for employment in the standard
temperature range from 0°C to 60°C, the OZD Profi
12M G12-EECC (extended environmental conditions)
can be used in the extended temperature range from –
20°C to +60°C and at up to 100% humidity.
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