Siemens SIMATIC PN/CAN LINK

Diagnostics
11.1 Status LEDs
SIMATIC PN/CAN LINK
Operating Instructions, 03/2022, A5E39895388-AC
141
11.1.2 Connection status CAN bus in the two CANopen operating modes
Connection status CAN bus in the two CANopen operating modes
The PN/CAN LINK signals its state in "CANopen Manager" mode and in "CANopen Slave" mode
with the CAN LEDs on the front of the housing (Design (Page 32)).
Table 11- 1 Behavior of the RUN LED
RUN LED
Meaning
Note
Off
The PN/CAN LINK is in the initialization
phase.
After switching on the device or
after reset
Flashes
The NMT state of the PN/CAN LINK is
"Pre-Operational".
--
One-time brief flashing
The NMT state of the PN/CAN LINK is
"Stopped".
--
On
The NMT state of the PN/CAN LINK is
"Operational".
--
Table 11- 2 Behavior of the ERR LED
ERR LED
Meaning
Note
Off
No error on the CANopen bus
--
One-time brief flashing
At least one error counter in the CAN
controller has reached its warning
threshold.
--
Two-time brief flashing
A heartbeat or node guarding error
has occurred.
--
On
The CAN controller is in "Bus-Off"
state.
--