Cable Electronics DVP14 Especificações descarregar pdf (Página 270)

100

101

Appendix 6 Universal Serial Communications App6-1

Appendix 6 Universal Serial Communications

Interface

Outline of Communication

As shown in the diagram above, when a general-purpose computer communicates with the V series,

the general-purpose computer acts as the host and the V series acts as the slave.

Switch, lamp, data display, etc., are allocated within the internal user memory ($u). When a screen

number is specified from the host, a write action takes place to the internal memory address specified

for the screen, and the specified screen is then displayed on the V series.

When a screen is changed internally by a switch, etc., the changed screen number is read, and written

in the memory specified for the screen.

1234

5678

100

200

300

16383

RESET

disc

1234

5678

100

200

300

(ON)

General-purpose

computer

Screen No. 1

Dedicated commands

Read

Write

V series

Screen No. 0

V series internal

user memory

1 2 ... 265 266 267 268 269 270 271 272 273 274 275 ... 331 332

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