Controls Operations And Monitors Operations Of An Inverter With A Single Command(PlcInverter)[Fnc275 / Ivmc] - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
9.9 Controls Operations and Monitors Operations of an Inverter
with a Single Command(PLCInverter)[FNC275 / IVMC]
This instruction writes 2 types of settings (operation command and set frequency) to the inverter, and reads 2
types of data (inverter status monitor, output frequency, etc.) from the inverter at the same time.
The following PLC versions support the IVMC instruction.
PLC
FX
3S
FX FX
3G, 3GC
FX FX
3U, 3UC
9.9.1 Function and operation
1. Applicable devices
Bit Devices
Oper-
and System/User
Type
X Y M T C S D.b KnX KnY KnM KnS T C D
S
1
S
2
S
3
D
n
 1: Only available for FX
2: Only available for FX

2. Program example
M0
Command
contact
Inverter station number
Multiple instructions for inverter:
Send/receive data type specification
3. Send/receive 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 .
S
2
S
2
Send/receive
data type
(HEX)
H0000
H0001
H0010
H0011
Caution
• Number of occupied devices
Two devices are occupied respectively by
Make sure not to use those devices in another control.
E-110
9.9 Controls Operations and Monitors Operations of an Inverter with a Single Command(PLC  Inverter)[FNC275 / IVMC]
Applicable version
Ver. 1.00 or later
Ver. 1.40 or later
Ver. 2.70 or later
Digit Specification
, FX , FX
3G 3GC 3U
and FX PLCs.
3U 3UC
S S
1  2 
FNC275
K0 H0000
IVMC
(K0 to K31)
S
2
Send data
(Write contents to Inverter)
Data 1 ( S ) Data 2 (
3
Set frequency
Run command
(expansion)
Set frequency
(RAM, EEPROM)
9 Creating Programs (FX3S, FX3G, FX3GC, FX3U, FX3UC)
Word Devices
Special
System/User
Unit
R U\G V Z Modify K H
 1 2
 1 2
 1 2
 1 2
and FX PLCs.
3UC
n
S D 
3 
D10 D20 K1
Head device which stores values to be read
from the inverter
Head device which stores data to be written to the inverter
S +1) Data 1 (
3
(RAM)
Inverter status monitor
(expansion)
and .
S D
3
Others
Con- Real
Index
stant Number
E
  
  


 
Channel to be used
(K1: ch1, K2: ch2)
Receive data
(Read contents from Inverter)
D ) Data 2 (
Output frequency (speed)
Special monitor
Output frequency (speed)
Special monitor
Charac-
Pointer
ter String
"" P
D +1)