12
– 3
DeviceNet status display LED
Name
Color
On/Off
Cause/Remedy
MS
Green
On
Normal
Normal status
Flashing
Unset
status
An error has occurred in the setting value in the CA20-M10.
Check the settings and restart. This can also indicate
standby status. Check if the master unit has started normally.
Red
On
Critical
fault
A hardware error has occurred (such as DPRAM, internal
ROM, internal RAM, EEPROM, CAN error, or WDT error).
Restart. If the error occurs again, replace the unit.
Flashing
Minor
fault
An error has occurred in the user settings, and a user-side
interrupt timeout has occurred.
Re-check the settings, and restart.
Green/
Red
Off
No
power
supply
The power is not supplied, or initialization is in progress.
Check the power supply.
NS
Green
On
Normal
One or more connections are established (running) in online
status.
Flashing
Connecti
on wait
The master unit is not starting normally.
(A configuration area has occurred in the master unit I/O
area.)
Check if the master unit has started normally.
Red
On
Critical
commun
ication
error
A communication error has occurred (such as a duplicate
node address, busoff detection, mismatched baud rate, etc.)
Check the connection, noise, node address settings, baud
rate settings, and other parameters, and then restart.
Flashing
Minor
commun
ication
error
Communication with the master unit has timed out.
Check the master unit status, connection, noise, node
address settings, baud rate settings, and other parameters,
and then restart.
Green/
Red
Off
No
power
supply
Either there is no power supply, or there is a WDT error,
baud rate check in progress, or duplicate node address
check in progress. Check the power supply.
The LED turns on for 0.5 second and turns off for 0.5 second.
DeviceNet connector
The exclusive DeviceNet cable for data linkage is connected to this connector.
Pin no.
Signal
name
Symbol
Wire color
5
V+
V+
Red
4
CANH
CH
White
3
Shield
dr
Shield
2
CANL
CL
Blue
1
V-
V-
Black
5
1
1
6
0
1
7
4
1
8
5
35
35
90
134
V+
CH
dr
CL
V-
Содержание CA20-M10
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Страница 384: ...Back cover Q3178E 03 APR 20...