6 process image of the compact system, Process image of the compact system, Networking via system bus (can) – Lenze EPM−T9XX Modular system User Manual

Page 182

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background image

Transmitting process data

Process image of the compact system

8

Networking via system bus (CAN)

8.3

8.3.6

L

8.3−8

EDSPM−TXXX−9.0−11/2009

8.3.6

Process image of the compact system

The process image of the compact system is explained on the basis of the module
32×dig. I/O compact.

Module

L

0

1

CAN gateway

8×DI

8×DI

8×DO

Process data

1 byte

1 byte DI

1 byte DI

1 byte DO

Slot

M0

M1

M2

M3

M4

Process image

Byte 0

Byte 1

Byte 2

Byte 3

Byte 4

Byte 5

Byte 6

Byte 7

PDO1

PDO1−RX

M4

PDO1−TX

M1

M2

M3

DI

Digital input data

DO

Digital output data

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