Configuration
Configuring monitoring functions
Communication monitoring (CE1 ... CE4, node guarding)
119
EDBCSXE040 EN 6.0
Toggle bit monitoring
The functioning of the system bus connection is monitored via a cyclically toggling bit in
the control word. The control system must change the bit status in every telegram sent. If
the bit status does not change, an error counter in the power supply module is
incremented. This counter is reset as soon as the toggle bit is transmitted error−free again.
If the error counter reaches "10", TRIP "CE4" is triggered.
The monitoring can be deactivated with C0595 = 3.
Node Guarding
The "Node Guarding" function is implemented as of operating system V3.0.
In case of cyclic node monitoring (Node Guarding) the CAN master regularly enquires the
states of the slaves participating in the monitoring process.
ƒ
The master starts the node guarding by sending the node guarding telegram.
ƒ
If the slave does not receive a node guarding telegram within the monitoring time
(Node Life Time), the "Life Guarding Event" is enabled (fault message "NodeGuard
Trp/Msg/Wrn").
Note!
Observe the information on the configuration of the "Node Guarding"
(
Parameter
C0384
Designation
Response − CAN node guarding
Data type: INTEGER_32
Index: 24191
dec
= 5E7F
hex
Response to a "Life Guarding Event"if no node guarding telegram has been received during "Node Life Time"
(C0382 x C0383).
l
When C0382 = 0 or C0383 = 0, the monitoring function is not active (no node guarding fault message is
enabled).
l
Only relevant if C0352 = 2.
Selection list
(Lenze setting printed in bold)
Information
0 TRIP
1 Message
2 Warning
3 Off
