30
Manual – MOVI-PLC® advanced DHE41B/DHF41B/DHR41B Controller
4
Installing the MOVI-PLC® advanced DHF41B controller
Mounting/Installation Instructions
LED L15 (PIO) The LED L15 (Polled I/O) monitors the polled I/O connection.
LED L16
(Mod/Net)
The function of the LED L16 (Mod/Net = Module/Network Status) described in the fol-
lowing table is specified in the DeviceNet specification.
Status of the
LED L15
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 polled I/O connection is being established with a
master (configuring state)
• Missing, incorrect or incomplete configuration
Lights up
green
Online, operational mode
and connected
•Online
• A polled I/O connection has been established (estab-
lished state)
Flashing red
(1 s cycle)
Minor fault or connection tim-
eout
• Invalid baud rate set via DIP switches
• A correctable fault has occurred
• Polled I/O connection is in timeout status
Red light Critical fault or critical link
failure
• An error that cannot be corrected has occurred
•BusOff
• DUP-MAC check has detected an error
Status of the
LED L16
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 has not yet been established with a mas-
ter
• Missing, incorrect or incomplete configuration
Lights up
green
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 tim-
eout
• A correctable fault has occurred
• Polled I/O or/and bit-strobe I/O connection are in time-
out status
• DUP-MAC check has detected an error
Red light Critical fault or critical link
failure
• A correctable fault has occurred
•BusOff
• DUP-MAC check has detected an error
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