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System bus (CAN) for Lenze PLC devices

General information

2−10

PLC−Systembus EN 2.0

2.6.3 Process data telegram

The process data telegram is structured as follows:

11bit 8 bytes user data

Identifier Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8

Identifier

Information on the identifier can be found in chapter 2.4.1.

(^ 2−3)

User data

The 8 bytes user data received or to be transmitted respectively can be read or written

simultaneously by several variables of different data types.

Detailed information on the user data can be found in the description to the respective system block:

· CAN system blocks (^ 7−1 ff.)

· FIF−CAN system blocks (^ 8−1 ff.)

· CAN−AUX system blocks (^ 9−1 ff.)

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