Lenze DDS System bus CAN for PLC Manual de usuario Pagina 66

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System bus (CAN) for Lenze PLC devices
Configuration (FIF interface)
5−6
l
PLC−Systembus EN 2.0
5.5 Cycle time (FIF_CAN2_OUT/FIF_CAN3_OUT)
The transmission of the output data of FIF−CAN2_OUT and FIF−CAN3_OUT can be carried out in an
event−controlled or time−controlled manner.
· The configuration of the transmission mode is effected via code C2456/x:
Code LCD
Possible settings
Information
Lenze Selection
C2456 0 {1} 65000
0 = event−controlled transmission
Factor to the task time for
transmitting the process data
object
2
3
CAN2_OUT T
CAN3_OUT T
0
0
FIF−CAN2_OUT
FIF−CAN3_OUT
Event−controlled transmission
C2456/x = 0
· The transmission of the output data is always effected if a value has changed within the
8 bytes of user data (Lenze setting).
Time−controlled transmission
C2456/x = 1 ... 65000
· The transmission of the output data is effected within the cycle time set in C2456/x (relating to
the task cycle time).
Example:
· The CAN object is used in a 10 ms task.
· Factor set via C2456/2 = 5
ð The CAN object is transmitted after every fifth cycle of the task, i. e. every 50 ms (10 ms x 5).
5.6 Delay time (FIF_CAN2_OUT/FIF_CAN3_OUT)
For the transmission of the output data of FIF−CAN2_OUT and FIF−CAN3_OUT a delay time can be
configured via code C2456/4:
Code LCD
Possible settings
Information
Lenze Selection
C2456
4
CAN delay 20
0 {1 ms} 65000 Delay time for sending the process
data object
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