Configuring/Programming
10.1 Configuring CANopen Manager
SIMATIC PN/CAN LINK
104 Operating Instructions, 03/2022, A5E39895388-AC
When you select this option, error messages from such nodes are also displayed in the
diagnostic buffer and the ERROR LED lights up. All other nodes on the CAN bus are not
affected by this option.
• Check box Enable additional diagnostics alarms
When you disable this option, the device does not send diagnostic alarms related to the
operating mode (CANopen Manager, CANopen Slave and CAN transparent). Both error LEDs
remain off.
• Check box Block Error passive alarm
When you select this option, the error passive state of the CAN bus is not reported as an
alarm in the diagnostic buffer. The error LED remains off.
(ISO 11898 CAN Layer 2 device: If one of the error counters is above 127, the device goes
into the "Error Passive" state of the CAN bus. The next error is signaled by a "Passive Error
Flag", which consists of 6 recessive bits. This signal does not destroy any other
communication on the bus. The device is fully operational unless an error counter exceeds
255 and the device goes into the "Bus Off" state.)
Figure 10-6 Setting the diagnostic parameters
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