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30 Applied Instructions (External Device Communication)
30.6 IVMC / Inverter Multi Command
722
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
Function and operation explanation
1. 16-bit operation
This instruction executes multiple commands of an inverter connected to a communication port n whose
station number is specified by the device specified in .
Specify the send/receive data type using , the head device which stores data to be written to the inverter
using , and the head device which stores values to be read from the inverter using .
→ For detailed explanation of the instruction, refer to the Data Communication Edition manual.
2. Send/recive data type
The table below shows valid send data 1 and 2 and receive data 1 and 2 specified by the send/receive data
type specified in .
3. Related devices
→ For the instruction execution complete flag use method, refer to Section 1.3.4.
*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
Send/receive data type
specified in
Send data
(Write contents to Inverter)
Recive data
(Read contents from Inverter)
Data 1 ( ) Data 2 ( +1)
Data 1 ( ) Data 2 ( +1)
H0000
Run command
(expansion)
Set frequency (RAM)
Inverter status monitor
(expansion)
Output frequency (speed)
H0001 Special monitor
H0010
Set frequency
(RAM, EEPROM)
Output frequency (speed)
H0011 Special monitor
Number
Description
Number
Description
ch1 ch2 ch1 ch2
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 inverter instruction error
*2
D8154 D8159
IVBWR instruction error parameter number
*2*3
IVMC
EN ENO
s1 d
s2
s3
n
Inverter station number
Command
input
Send/receive data type
Head device which stores data to be written to the inverter
Head device which stores values
to be read from the inverter
Channel to be used