Inverter Parameter Reading (PlcInverter) [Fnc272 / Ivrd] - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
9.6 Inverter Parameter Reading (PLCInverter) [FNC272 / IVRD]
This instruction reads a parameter of an inverter to the PLC.
9.6.1 Function and operation
When a parameter number of an inverter is specified in IVRD (FNC272) instruction, the value of the
parameter is read to
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
D
n
1: Only available for FX

 2: Only available for FX
2. Program example
M0
Command
contact
Inverter station number: 0 to 31
9.6.2 Inverter instruction codes
Refer to related data shown later.
9.6.3 Program example of "second parameter specification code"
In the program example shown below, the parameters (frequency: 201, time: 1201, motor rotation direction:
2201) are read from the A500 inverter whose station number is 6.
E-106
.
D
Digit Specification
, FX , FX
3G 3GC 3U
and FX PLCs.
3U 3UC
S S
 
1 2
FNC272
K6 K7
IVRD
For second parameter specification code, refer to Section 9.9.
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
and FX PLCs.
3UC
D  n
D150 K1
Communication channel K1:ch1
Read value storage destination
Inverter parameter number (decimal)
9.6 Inverter Parameter Reading (PLC  Inverter) [FNC272 / IVRD]
Others
Con- Real
Index
stant Number
E
  
  

 
K2:ch2
Charac-
Pointer
ter String
"" P