Diagnostics
10.1 Status LEDs
SIMATIC PN/J1939 LINK
56
Operating Instructions, 12/2018, A5E45307564-AA
10.1.3
Connection status of the J1939 bus
Connection status J1939 bus
PN/J1939 LINK signals its state with the J1939 bus LEDs on the front of the enclosure.
Figure 10-3 Status LEDs PN/J1939 LINK
Table 10- 4 Behavior of the RUN LED
RUN LED
Meaning
Note
Off
PN/J1939 LINK is in the "OFF" state
See State model (Page 23)
On
PN/J1939 LINK is in the "ON" state
Table 10- 5 Behavior of the ERR LED
ERR LED
Meaning
Note
Off
No error on the CAN bus
--
Short flashing
once
The CAN controller is in the "Error pas-
sive" state.
See Control and status information
(Page 25)
Short flashing
twice
"Source Address" is invalid
--
On
The CAN controller is in the "Bus off"
state.
See Control and status information
(Page 25)
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