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Manual – MOVI-PLC® advanced DHF41B DeviceNet and PROFIBUS DP-V1 Fieldbus Interfaces
15
4
Status LED of the DHF41B option
Assembly and Installation Notes on the DeviceNet Fieldbus
L14 LED (BIO)
The
L14 (Bit-strobe I/O)
LED monitors the bit-strobe I/O connection.
L13 LED (BUS
FAULT)
The
L13 (BUS-OFF)
LED indicates the physical status of the bus node.
Power-UP test
A power-up test of all LEDs is performed once the drive inverter has been switched on.
The LEDs are switched on in the following sequence:
Status of the
L14 LED
Status
Meaning
Flashing
green
(125 ms
cycle)
DUP-MAC check
Unit is performing DUP-MAC check
Off
Not switched on / offline but
not DUP-MAC check
•
Unit is offline
•
Unit is switched off
Flashing
green
(1 s cycle)
Online and in operational
mode
•
Unit is online
•
DUP-MAC check performed successfully
•
A BIO connection is being established with a master
(configuring state)
•
Missing, incorrect or incomplete configuration
Lights up
green
Online, operational mode
and connected
•
Online
•
A BIO connection has been established (established
state)
Flashing red
(1 s cycle)
Minor fault or connection
timeout
•
Invalid number of process data is set via DIP switches
•
A correctable fault has occurred
•
Bit-strobe I/O connection is in timeout state
Red light
Critical fault or critical link
failure
•
A fault that cannot be remedied has occurred
•
BusOff
•
DUP-MAC check has detected an error
Status of the
L13 LED
Status
Meaning
Off
NO ERROR
The number of bus errors is in the normal range (error
active status).
Flashing red
(125 ms
cycle)
BUS WARNING
The unit is performing a DUP-MAC check and cannot
send any messages because no other stations are
connected to the bus (error passive state)
Flashing red
(1 s cycle)
The number of physical bus errors is too high. No more
error telegrams are actively written to the bus (error
passive state).
Red light
BUS ERROR
•
BusOff state
•
The number of physical bus errors has increased
despite a switch to the error-passive state. Access to
the bus is switched off.
Yellow light
POWER OFF
External voltage supply has been turned off or is not
connected.
Time [ms]
LED L16 MOD/NET
LED L15 PIO
LED L14 BIO
LED L13 BUS FAULT
0
Green
Off
Off
Off
250
Red
Off
Off
Off
500
Off
Green
Off
Off
750
Off
Red
Off
Off
1000
Off
Off
Green
Off
1250
Off
Off
Red
Off
1500
Off
Off
Off
Green
1750
Off
Off
Off
Red
2000
Off
Off
Off
Off
Содержание DHF41B
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