Mitsubishi Electronics Mitsubishi Digital Electronics Video Gaming Accessories FX3G ユーザーズマニュアル

454

/FX

3UC

Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

16 External FX Device – FNC 80 to FNC 89

16.1 FNC 80 – RS / Serial Communication

16.1

FNC 80 – RS / Serial Communication

Outline

This instruction sends and receives data in no-protocol communication by way of a serial port (only the ch1) in
accordance with RS-232C or RS-485 provided in the main unit.

1. Instruction format

2. Set data

3. Applicable devices

Explanation of function and operation

1. 16-bit operation (RS)

This instruction sends and receives data in no-protocol communication by way of serial ports in accordance with
RS-232C or RS-485 provided in the main unit.

→ For detailed explanation, refer to the Data Communication Edition manual.

Operand type

Description

Data type

Head device of data registers storing data to be sent

16-bit binary or

character string

Number of bytes of data to be sent [setting range: 0 to 4096]

16-bit binary

Head device of data registers storing received data when receiving is completed

16-bit binary or

character string

Number of bytes to be received [setting range: 0 to 4096]

16-bit binary

Oper-

and

Type

Bit Devices

Word Devices

Others

System User

Digit Specification

System User

Special

Unit

Index

Con-
stant

Real

Number

Charac-

ter String

Pointer

X Y M T C S D.b KnX KnY KnM KnS T C D R U\G V

Z Modify K H

3 3

FNC 80

−

Mnemonic

Operation Condition

16-bit Instruction

9 steps RS

Mnemonic

Operation Condition

Continuous

Operation

32-bit Instruction

FNC 80

Command

input