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Manual – MOVI-PLC® advanced DHF41B DeviceNet and PROFIBUS DP-V1 Fieldbus Interfaces
7
Diagnostic procedures
Error Diagnostics for Operation on the DeviceNet Fieldbus
7
Error Diagnostics for Operation on the DeviceNet Fieldbus
7.1
Diagnostic procedures
The diagnostic procedures described in the following section demonstrate the fault
analysis methods for the following problems:
• MOVI-PLC
®
advanced
DHF41B does not operate on DeviceNet
• MOVI-PLC
®
advanced
DHF41B cannot be controlled with the DeviceNet master
For detailed information about programming MOVI-PLC
®
advanced
DHF41B, refer to
the "MOVI-PLC
®
advanced
DH..41B" manual.
Step 1: Check the status LED and status display of the DeviceNet scanner
See documentation of the DeviceNet scanner.
Step 2: Check the status LEDs of DHF41B and DIP switch S2
The explanation of the different LEDs can be found in section 4. The following table
shows the corresponding unit states and their causes. An "X" indicates that the state of
the respective LED is not relevant.
LED
DHF41B
L16
MOD/NET
L15 (PIO)
L14 (BIO)
L13 (BUS
FAULT)
Status
Cause
Off
Off
Off
Off
Off
No voltage supply of DHF41B, e.g.
via X26.
DIP switch S2 is not set to the
DeviceNet fieldbus interface (see
chapter 4).
Off
Yellow
Off
Off
Booting
During boot up and internal
synchronization with MOVI-PLC
®
Off
Flashing
red
X
Off
Baud rate
invalid
Invalid baud rate setting via DIP
switches
Off
Flashing
green
Flashing
green
Yellow
No power
via X30
Voltage supply via X30D not
connected / switched on
Off
Flashing
green
Flashing
green
Flashing
red
Error pas-
sive
Wrong baud rate or no other
DeviceNet node connected
Red
Red
Red
Off
DUP-MAC
error
Address (MAC-ID) is assigned twice
in the network
Flashing
green
Off
Off
X
Operational
DHF41B active on the bus but
without connection to the master
(scanner)
Flashing
red
Flashing
red
X
X
Timeout
Timeout of the PIO connection to the
master
Green
Green
X
X
Connected
DHF41B active on the bus with
active PIO connection to the master
Flashing
red
Green
X
X
Module
error
DHF41B with active PIO connection
and active error of DHF41B
Содержание DHF41B
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