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20
Manual – DFD11B DeviceNet Fieldbus Interface
4
DFD11B option card - status LED
Assembly and Installation
4.9
DFD11B option card - status LED
The DFD11B option card is equipped with four two-color LEDs for diagnostic of the De-
viceNet system; these indicate the current status of the DFD11B and the DeviceNet sys-
tem. The unit status corresponding to the status of the LED is is described in chapter
'Error diagnostics'.
MOD/NET LED
The function of the LED
Mod/Net
described in the following table is contained in the De-
viceNet specification.
PIO LED
The
PIO
LED checks the polled I/O connection.
LED abbreviation
Complete LED designation
MOD/NET
Module/Network Status
PIO
Polled I/O
BIO
Bit-Strobe I/O
BUS FAULT
BusFAULT
LED
Status
Meaning
Off
Not switched on / OffLine
•
Unit is off-line
•
Unit performs DUP MAC check
•
Unit is switched off
Flashing green
(1 s cycle)
Online and in operational
mode
•
The unit is on-line and no connection has been estab-
lished
•
DUP MAC check performed successfully
•
A connection to a master has not been established yet
•
Missing, incorrect or incomplete configuration
Green light
Online, operational mode
and connected
•
Online
•
Connection to a master has been established
•
Connection is active (established state)
Flashing red
(1 s cycle)
Minor fault or connection
timeout
•
A correctable error has occurred
•
A device error is active (MOVIDRIVE
®
B / gateway)
•
Polled I/O or/and bit-strobe I/O connections are in time-
out state
•
DUP-MAC check has detected an error
Red light
Critical fault or critical link
failure
•
A correctable error has occurred
•
Bus fault
•
DUP-MAC check has detected an error
LED
Status
Meaning
Flashing
green
(125 ms
cycle)
DUP-MAC check
Unit is performing DUP-MAC check
Off
Not switched on / off-line but
not DUP-MAC check
•
Unit is off-line
•
Unit is switched off
Flashing
green
(1 s cycle)
Online and in operational
mode
•
Unit is on-line
•
DUP MAC check performed successfully
•
A PIO connection to a master is being established
(configuring state)
•
Missing, incorrect or incomplete configuration
Green light
Online, operational mode
and connected
•
Online
•
A PIO connection has been established (established
state)
Flashing red
(1 s cycle)
Minor fault or connection tim-
eout
•
Invalid baud rate setting via DIP switches
•
A correctable error has occurred
•
Polled I/O connection is in timeout state
Red light
Critical fault or critical link
failure
•
An error that cannot be remedied has occurred
•
Bus fault
•
DUP-MAC check has detected an error
Содержание DFD11B
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