Sharp JW-20CM User Manual

Page 44

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8

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6

(2) Data flow with slave module

I/O processing of the slave module shall be carried out after completion of communication with the

master station.

I/O processing
Data exchange

I/O processing
Data exchange

I/O processing
Data exchange

I/O processing

I/O processing

I/O processing

C o m m u n i c a t i o n
with slave station 1

C o m m u n i c a t i o n
with slave station 2

I/O processing

I/O processing

C o m m u n i c a t i o n
with slave station 1

C o m m u n i c a t i o n
with slave station 2

Input signal

Output signal

PC

JW-20CM

I/O module

JW-20RS

I/O module

JW-20RS

Master station

Slave station 1

Slave station 2

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