Lenze DDS System bus CAN for PLC Manual do Utilizador descarregar pdf (Página 80)

System bus (CAN) for Lenze PLC devices

Configuration (CAN−AUX interface)

6−6

PLC−Systembus EN 2.0

6.5 Cycle time (CANaux2_OUT/CANaux3_OUT)

The transmission of the output data of CANaux2_OUT and CANaux3_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

CAN2_OUT T

CAN3_OUT T

CANaux2_OUT

CANaux3_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).

6.6 Delay time (CANaux2_OUT/CANaux3_OUT)

For the transmission of the output data of CANaux2_OUT and CANaux3_OUT a delay time can be

configured via code C2456/4:

Code LCD

Possible settings

Information

Lenze Selection

C2456

CAN delay 20

0 {1 ms} 65000 Delay time for sending the process

data object

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 177 178

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