A 01/13 2-channel Binary Signal Transducer Page 11 of 40
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Page 10 of 40 2-channel Binary Signal Transducer A 01/13
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Full duplex operation
Binary information is transmitted bidirectional at the same time, e.g.
for direction comparison or signal comparison (condition as delivered).
• Alarm relay M1 drops if voltage supply fails.
• If no signal is received from the remote converter an LED indication
is done (red LED: ERR) and alarm relay M1 drops.
When operated via modem the binary signal transducer sends furt-
her data only after 15 s in order to avoid overstrain of the modems,
if the data connection is interrupted by any reason.
Exception: A change of signal at a binary input of the binary
transducer is transmitted instantly.
Half duplex operation
Both binary information are transmitted only in one direction via
optical fibre. Therefore only one fibre cable is necessary from the
input device to the output device.
Transmitter:
(Setting "transmitter only" with S2 / DIP 7 (see table 7))
• Alarm relay M1 drops if voltage supply breaks down.
• No monitoring of the transmission link from the transmitter.
Receiver:
(Setting"send/receive" with S2 / DIP 7 (see table 7))
• Alarm relay drops if voltage supply breaks down.
• If no signal is received from the transmitter steady light lights up as
fault indicator (red LED: ERR) and alarm relay M1 drops.
1 Operating instructions
1.1 Scope of application
The two-channel bidirectional binary signal transducer converts binary
signals with a wide-range input and sends their state serially via a
duplex optical fibre to a similar remote converter. In the remote
converter the information is instantly put out command contacts. The
converter is dimensioned for the application in switchgears and allows
an interference-free transfer of signals with fibre optic cables. Faulty
operation or transmission failures are safely detected and signaled via
an alarm relay. The factory setting of the binary transducer is prepared
for direct FO connection via multimode fibre cables.
Technical data
• 2 isolated binary inputs with a wide input voltage range
(18V..250VDC).
• 2 isolated command relays with high switching capacity.
• Short operation time due to point-to-point connection (12..118ms),
depending on the data speed.
• Interference-free due to FO connection even in an environment
with high electromagnetic interference.
• Safe transmission due to protocol communication with monitoring
functions.
• Distance up to 3 km via multimode fibre 62,5/125µm.
• Up to 100 km with a monomode fibre if cascaded with the 820/
1300nm converter 7XV5461-0BA00.
• Integrated wide-range power supply unit with alarm contact.
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