Mitsubishi Programmable Controllers FX-232ADP Bedienungsanleitung PDF herunterladen (Seite 117)

FX communication

RS instruction 9

9-15

9.4 Example Program

9.4.1 Personal Computer

When a programmable controller is connected to a personal computer, and data send/receive is

performed by the programmable controller

1 ) System configuration

Use a communication cable suitable to the arrangement of connector pins of the personal

computer used. (For the representative wiring, refer to chapter 2.)

2 ) Communication format

If the communication format of the commercial communication software used cannot realize

the following setting, set the programmable controller in accordance with the commercial

communication software.

(The communication format in this example is set as follows.)

3 ) Operation

Data length 8 bit

Parity Even

Stop bit 2 bit

Baud rate 9,600 bps

Header None

Terminator None

Control line Normal mode 1

Protocol No protocol

Receive

Send

-232-BD FX

Power ON

Receiving data

from personal

computer

Sending data to

personal computer

PLC and personal computer are turned ON.

When PLC is in RUN status, PLC can receive data from

personal computer.

When operating program of personal computer, data is sent to

D0 in PLC. This data value is A$ (40) in program. At this time,

data (D0, D1) moves to D10, D11 in the PLC.

After moving data, PLC sends data (D10, D11) to the personal

computer. When receiving data from the PLC, the personal

computer displays the data.

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Mitsubishi Programmable Controllers FX-232ADP Bedienungsanleitung Seite 117

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