E-110
FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
9 Creating Programs (FX3S, FX3G, FX3GC, FX3U, FX3UC)
9.9 Controls Operations and Monitors Operations of an Inverter with a Single Command(PLC
Inverter)[FNC275 / IVMC]
9.9 Controls Operations and Monitors Operations of an Inverter
with a Single Command(PLCInverter)[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.
9.9.1 Function and operation
1. Applicable devices
1: Only available for FX3G, FX3GC, FX3U and FX3UC PLCs.
2: Only available for FX3U and FX3UC PLCs.
2. Program example
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 .
Caution
• Number of occupied devices
Two devices are occupied respectively by and .
Make sure not to use those devices in another control.
PLC
Applicable version
FX3S
Ver. 1.00 or later
FX3G, FX3GC
Ver. 1.40 or later
FX3U, FX3UC
Ver. 2.70 or later
Oper-
and
Type
Bit Devices Word Devices Others
System/User Digit Specification System/User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
XYMTCSD
.b KnX KnY KnM KnS T C D R
U\G
VZModifyKH E "
"P
1 2
1 2
1 2
1 2
n
Send/receive
data type
(HEX)
Send data
(Write contents to Inverter)
Receive 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
K0 H0000 D10 D20 K1
n
M0
FNC275
IVMC
S
1
S
2
S
3
D
Command
contact
Inverter station number
(K0 to K31)
Multiple instructions for inverter:
Send/receive data type specification
Channel to be used
(K1: ch1, K2: ch2)
Head device which stores values to be read
from the inverter
Head device which stores data to be written to the inverter
S
2
S
3
D
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