Mitsubishi Electronics FX3G User Manual

FX

3S

/FX

3G

/FX

3GC

/FX

3U

/FX

3UC

 Series

Programming Manual - Basic & Applied Instruction Edition

30 External Device Communication – FNC270 to FNC276

→ For the instruction execution complete flag use method, refer to Subsection 6.5.2.

*1.

Cleared when PLC power supply is turned from OFF to ON.

*2.

Cleared when the PLC mode switches from STOP to RUN.

*3.

Initial value: -1

→ For other cautions, refer to the Data Communication Edition manual.

• It is not permitted to use an "RS (FNC 80)/RS2 (FNC 87)"/"ADPRW (FNC276)"/"FLCRT (FNC300) to FLSTRD 

(FNC305)" instruction and an "IVCK (FNC270) to IVMC (FNC275)" instruction for the same port.

• Two or more inverter communication instructions (FNC270 to FNC275) can be driven for the same port at the same 

time.

The table below shows PLC versions applicable to each inverter.

M8029

Instruction execution complete

D8063

D8438

Error code of serial communication error

*1

M8063

M8438 Serial communication error

*1

D8150

D8155

Response wait time in inverter communication

*1

M8151

M8156 Inverter communicating

D8151

D8156

Step number in inverter communication

*3

M8152

M8157 Inverter communication error

*2

D8152

D8157

Error code of inverter communication error

*2

M8153

M8158 Inverter communication error latch

*2

D8153

D8158

Latch of inverter communication error occurrence
step

*2*3

M8154

M8159 IVBWR instruction error

*2

D8154

D8159

IVBWR instruction error parameter number

*2*3

FX

3U

Ver. 2.20 or later

Ver. 2.32 or later

FX

3UC

Ver. 1.00 or later

Ver. 2.20 or later

Ver. 2.32 or later