SEW DHE41B User Manual

Manual – MOVI-PLC® advanced DHE41B/DHF41B/DHR41B Controller
29
4
Installing the MOVI-PLC® advanced DHF41B controller
Mounting/Installation Instructions
4.4.5 Operating displays of MOVI-PLC
®
advanced DHF41B
LEDs 11, 12 LEDs 11 and 12 are reserved.
LED L13
(BUS-OFF)
The LED L13 (BUS-OFF) displays the physical status of the bus node.
LED L14 (BIO) The LED L14 (Bit-strobe I/O) monitors the bit-strobe I/O connection.
NOTE
The LEDs identical with DHE41B are described in section "Operating displays of the
MOVI-PLC
®
advanced DHE41B controller.
Status of the
LED L13
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 con-
nected 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 pas-
sive 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 con-
nected.
Status of the
LED L14
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 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 tim-
eout
• 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
• An error that cannot be corrected has occurred
•BusOff
• DUP-MAC check has detected an error

SEW DHE41B Specifications

General

Brand	SEW
Model	DHE41B
Category	Controller
Language	English