Siemens SIMATIC PN/CAN LINK

Functions
5.1 CANopen
SIMATIC PN/CAN LINK
52 Operating Instructions, 03/2022, A5E39895388-AC
5.1.2.4 Monitoring functions
The PN/CAN LINK supports the monitoring functions "Heartbeat" and "Node guarding" as
sender (producer) as well as receiver (consumer). One of these two monitoring functions
must be activated. You can select the monitoring function under CANopen Manager > Error
control (heartbeat / node guarding) .
Heartbeat
The PN/CAN LINK can be operated as heartbeat producer and as heartbeat consumer.
The required monitoring times (transmit interval, receive interval) can be configured in the
device configuration in TIA Portal.
Note
If a problem with the configuration oc
curs with the "Heartbeat" function, set the error
response to "Stop the link and all nodes" and check the diagnostic buffer.
Note
As of firmware version V2.0
The "Heartbeat" function can be disabled by setting the Transmit interval and the Monitoring
time to "0".
Node guarding
A node guarding monitoring can be configured. The parameters required for this purpose
"Monitoring time" and "Repetition factor" can be set. The PN/CAN LINK can be both a
transmitter and a receiver.
Note
As of firmware version V2.0
The "Node Guarding" function can be disabled by setting the Repetition factor or the
Monitoring time to "0".