Mitsubishi Electronics FX3G User Manual

FX

3S

/FX

3G

/FX

3GC

/FX

3U

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3UC

 Series

Programming Manual - Basic & Applied Instruction Edition

37 Operation of Special Devices (M8000 -, D8000 -)

 D 8420

RS2 (FNC 87) [ch2]   
Communication format setting

–

–

–

–

–

–

–

 D 8421

Computer link [ch2]   Station number setting

–

–

–

–

–

–

–

[D]8422

*1

RS2 (FNC 87) [ch2]  
Remaining points of transmit data

–

M8422

–

–

–

–

–

[D]8423

*1

RS2 (FNC 87) [ch2]   
Monitoring receive data points

–

M8423

–

–

–

–

–

[D]8424

Not used

–

–

–

–

–

–

–

–

–

–

–

[D]8425

Communication parameter display [ch2]

–

–

–

–

–

–

–

[D]8426

Not used

–

–

–

–

–

–

–

–

–

–

–

 D 8427

Computer link [ch2] 
Specification of on-demand head device
register

–

M8426 to 

M8429

–

–

–

–

–

 D 8428

Computer link [ch2] 
Specification of on-demand data length
register

–

–

–

–

–

–

 D 8429

RS2 (FNC 87) [ch2], computer link [ch2] 
Time-out time setting

–

–

–

–

–

–

 D 8430

RS2 (FNC 87) [ch2]
Header 1 and 2 <Default: STX>

–

–

–

–

–

–

–

 D 8431

RS2 (FNC 87) [ch2]   Header 3 and 4

–

–

–

–

–

–

–

 D 8432

RS2 (FNC 87) [ch2]   
Terminator 1 and 2 <Default: ETX>

–

–

–

–

–

–

–

 D 8433

RS2 (FNC 87) [ch2]   Terminator 3 and 4

–

–

–

–

–

–

–

[D]8434

RS2 (FNC 87) [ch2]   
Receive sum (received data)

–

–

–

–

–

–

–

[D]8435

RS2 (FNC 87) [ch2]
Receive sum (calculated result)

–

–

–

–

–

–

–

[D]8436

RS2 (FNC 87) [ch2]   Send sum

–

–

–

–

–

–

–

[D]8437

Not used

–

–

–

–

–

–

–

–

–

–

–

*1.

Cleared when the PLC switches from RUN to STOP.

 D 8400

Communication format

*2

*3

*3

–

–

–

–

–

–

 D 8401

Protocol

*2

*3

*3

–

–

–

–

–

–

 D 8402

Communication error code

*2

*3

*3

M8402

–

–

–

–

–

 D 8403

Error details

*2

*3

*3

M8403

–

–

–

–

–

 D 8404

Error step number

*2

*3

*3

–

–

–

–

–

–

[D]8405

Communication format display

*2

*3

*3

–

–

–

–

–

–

 D 8406

ASCII input delimiter

–

–

–

*3

*3

–

–

–

–

–

–

[D]8407

Step number being executed

*2

*3

*3

–

–

–

–

–

–

[D]8408

Current retry value

*2

*3

*3

–

–

–

–

–

–

 D 8409

Slave response timeout

*2

*3

*3

–

–

–

–

–

–

 D 8410

Turn around delay

*2

*3

*3

–

–

–

–

–

–

 D 8411

Message to message delay

*2

*3

*3

–

–

–

–

–

–

 D 8412

Number of retries

*2

*3

*3

–

–

–

–

–

–

 D 8414

Slave node address

*2

*3

*3

–

–

–

–

–

–

 D 8415

Communication status information setup

–

–

–

*3

*3

–

–

–

–

–

–

 D 8416

Communication status device range setup

–

–

–

*3

*3

–

–

–

–

–

–

[D]8419

Communication mode

*2

*3

*3

–

–

–

–

–

–

*2.

Available in Ver. 1.30 or later.

*3.

Available in Ver. 2.40 or later.