T.5.11 Communication fails with
all the devices connected to a CANopen master unit
Perform self-diagnosis on devices that failed communication when
connected to the master CANopen network.
Check the communication status of the entire
network.
Check the status of the entire network during CANopen
communication.
-
Go to offline mode and touch [Peripheral Settings] on the item
changeover switch.
-
[Peripheral
Settings] screen opens. Touch [I/O Driver] and then [CANopen Driver].
-
[I/O
Driver] screen opens. Touch [Master Configration &
Events].

-
[Master
Configration & Events] screen opens. Use the lamps to
confirm the network's [CANopen
Master Configuration] and [Global events]. (Example, CANopen
Master Configuration: [Master], [Start slaves individually],
[Master starts up
itself], [CANopen
master starts slaves], and [Master is SYNC producer]. Global
events: [Master alone]
indicates that the slave cable is disconnected.)
See the following for [CANopen
Master Configuration] and [Global events] details.
M.25.3.3
Peripheral Settings - Check network

Can the master side receive data?
The master side may be unable to perform communication.
Use the following procedure to check the master side and
determine the problem:
-
Go to offline mode and touch [Peripheral Settings] on the item
changeover switch.
-
[Peripheral
Settings] screen opens. Touch [I/O Driver] and then [CANopen Driver].
-
[I/O
Driver] screen opens. Touch [CANopen Master Diagnostics].

-
[CANopen
Master Diagnostics] screen opens. Check the [Network State] and [Communication Status]. (Example,
Network State= [OPERATIONAL], Communication Status=
[Network operational1],
[Master operational]
indicates that the master is operating normally.) [Network State] and [Communication status] details are
available in the following.
M.25.3.1
Peripheral Settings - Master diagnostics

|