FX
/FX
/FX
Series Programmable Controllers
3G
3U
3UC
Programming Manual - Basic & Applied Instruction Edition
2. Related devices
Number
ch1
ch2
M8029
M8063
M8438
M8151
M8156
M8152
M8157
M8153
M8158
M8154
M8159
*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
Cautions
• It is not permitted to use an "RS (FNC 80)/RS2 (FNC 87)"/"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.
PLC applicable version
The table below shows PLC versions applicable to each inverter.
PLC
FX
3G
FX
3U
FX
3UC
692
→ For the instruction execution complete flag use method, refer to Subsection 6.5.2.
Description
Instruction execution complete
Serial communication error
*1
Inverter communicating
*2
Inverter communication error
Inverter communication error latch
*2
IVBWR instruction error
→ For other cautions, refer to the Data Communication Edition manual.
FREQROL-V500/F500/A500/E500/S500
Ver. 2.20 or later
Ver. 1.00 or later
30 External Device Communication (Inverter Communication) – FNC270 to FNC275
30.3 FNC272 – IVRD / Inverter Parameter Read
Number
ch1
ch2
D8063
D8438
Error code of serial communication error
D8150
D8155
Response wait time in inverter communication
D8151
D8156
Step number in inverter communication
D8152
D8157
Error code of inverter communication error
Latch of inverter communication error
*2
D8153
D8158
occurrence step
D8154
D8159
IVBWR instruction error parameter number
FREQROL-F700/A700
Ver. 1.10 or later
Ver. 2.20 or later
Description
*1
*1
*3
*2
*2*3
*2*3
FREQROL-E700/D700
Ver. 2.32 or later
Ver. 2.32 or later