22
Installation OZD Profi 12M ...
Release
01
07/2017
red lights up – Send and receive optical fibers have been
transposed.
– No partner repeater connected or partner repeater
is not switched on.
– Connected partner repeater is defective
– Send time of connected partner repeater has been
exceeded
– An optical fiber line is broken
– Optical fiber link to partner repeater is too long
– Loose connection in an optical fiber connector
– Optical fiber in the optical fiber connector is loose.
– When using a redundant optical ring: if a fault in the
optical fiber has been corrected but the port LEDs
on both of the OZD Profi concerned still light red,
check whether parameter HSA has been set as
described in the chapter "Redundant Ring".
– Send and receive optical fibers have been
transposed.
Signal contact: open
red/yellow flashes – Fault occurs periodically (see above)
– Loose connection in an optical fiber connector
– Optical fiber in the optical fiber connector is loose
– Only one active bus subscriber is connected, which
only sends tokens to itself. A fault should not be
signaled as soon as a second subscriber is
activated.
Signal contact: signal
none Transmission rate has not yet been recognized – LED
”System“ flashes red
– No transmitting bus subscriber present
– Send and receive optical fibers have been
transposed
– No partner repeater connected or partner repeater
is not switched on
– Connected partner repeater is defective
Transmission rate has been recognized - LED ”System“
flashes green
– If the operating mode ”Redundant optical ring“ has
been set, the optical port works as a stand-by port.
There is no malfunction in the OZD Profi 12M ... or
the optical fiber.
– If one of the operating modes ”Line with optical fiber
link monitoring …“ has been set, no PROFIBUS
frames are received at the optical port. There is no
malfunction in the OZD Profi 12M ... or the optical
fiber.
Signal contact: no signal
Operating mode ”Line without optical fiber link monitoring“
LED Color Meaning
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