Lenze 9300 Servo PLC, Manual

Page: 45 / 112

System bus (CAN) with Servo PLC & Drive PLC
Configuration (AIF interface)
4-7
l
PLC-Systembus EN 1.1
4.8.2 Bus off
If the PLC has decoupled itself from the system bus because too many of the received telegrams
were faulty, the signal “ BusOffState” (CE14) is set.
The reaction to this can be configured via code C2382/4:
Code LCD Possible settings Info
Lenze Choice
C2382
4
XCAN Conf. CE
0
0 Off
1 Controller inhibit
2 Quick stop
Configuration monitoring
“BusOffState”
•
Controller inhibit or quick stop
are only possible with 9300
Servo PLC!
Tip!
Possible reasons for faulty telegrams may be:
•
A missing bus termination
•
Insufficient screening
•
Potential differences in the grounding of the control electronics
•
An excessive bus load. See chapter 3.11.3, “ Bus load through the PLC” .
(
^
3-10)
4.8.3 Reaction to system bus error messages
Overview of the system bus error sources detected by the PLC and the possible settings for the
individual reactions:
Error message Possible settings / Reaction
Display Error
no.
Meaning Ctrl. inhibit Fault/QSP Off Code
XCAN Conf. CE
1)
Communication error XCAN1_IN
(Time monitoring can be set via C2357/1) ü ü · C2382/1
XCAN Conf. CE
1)
Communication error XCAN2_IN
(Time monitoring can be set via C2357/2)
ü ü ·
C2382/2
XCAN Conf. CE
1)
Communication error XCAN3_IN
(Time monitoring can be set via C2357/3) ü ü · C2382/3
XCAN Conf. CE
1)
BUS OFF state
(too many faulty telegrams were received) ü ü · C2382/4
1)
not available; status can be obtained from C2121. ^ 4-8 · Default setting ü possible - not possible
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