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Hirschmann OZDV 114 B - Page 6

Hirschmann OZDV 114 B
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6
Setting up
Making Sub-D connection
The connection, e.g., to the control unit is made
using an adapter cable with Sub-D connector
(for pin assignments see ”Technical Data“,
p. 5).
Plug the 25-pin connector (female) of the
adapter cable onto the OZDV 114 B and lock
it using the two locking bolts of the module.
Power supply
The supply of +5 VDC (stabilised) is provided
via the Sub-D connector.
Warning!
Only supply the system with a safety extra-
low voltage in accordance with IEC 950/
EN 60 950/VDE 0805.
Making optical fibre connections
Plug the optical fibre cable with BFOC plug
onto the OZDV 114 B. Connect the two com-
ponents using optical fibre cable such that in
each case an input is connected to an output
(cross over connection).
Fitting/Removing module
Fit the module by hanging it and snapping it
into place on a standard DIN rail.
The module is removed by pulling on the
locking catch.
Description
OZDV 114 B is an asynchronous full duplex
transmission system for symmetrical V.11
(RS 422) interfaces. It replaces all five-wire
connecting cables.
A transmission system consists of two digital
transmission modules OZDV 114 B.
Data rate 0 to 6.5 Mbit/s
The system is able to recognise a restart signal
even after long transmission interruptions.
Power supply
The module is supplied with +5 VDC (stabili-
sed) from the terminal unit connected via the
25-pin Sub-D connector.
Optical
fibre
Sub-D Sub-D
22
Tx +
9
Tx –
10
Rx +
23
Rx –
7
GND
21
GND
11
GND
V
CC
V
CC
1
PGND
18
22
9
10
23
7
21
11
1
18
+
5 V
DC
5%
Tx +
Tx –
Rx +
Rx –
GND
GND
GND
PGND
+
5 V
DC
5%
OZDV 114 B OZDV 114 B
POWER
LOGIC
POWER
LOGIC
Block diagram (two OZDV 114 B in point-to-point operation)
Locking
bolt
3
2
Optical fibre cable
with BFOC plug
1
A
dapter cable with
Sub-D connector
Standard
hat rail
Locking
catch
Connecting adapter cable and optical fibre
cable
Fitting module onto DIN rail