Inverter Operation Monitoring Instruction (PlcInverter) [Fnc270 / Ivck] - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
9.4 Inverter Operation Monitoring Instruction
(PLCInverter) [FNC270 / IVCK]
The IVCK instruction reads the operation status of an inverter to the PLC.
9.4.1 Function and operation
When an "instruction code" specified for computer link operation in the inverters is specified in the IVCK
(FNC270) instruction, a value in the inverter 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
9.4.2 Inverter instruction codes
The table below shows inverter instruction codes which can be specified in
shown in the table below may cause communication errors. Use only instruction codes shown below.
For the instruction codes, refer to the pages explaining computer link in detail in each inverter manual.
S
2
Inverter Instruction
code (hexadecimal)
H7B
H6F
H70
H71
H72
H73
H74
H75
H76
H77
H79
H7A
H6E
H6D
H7F
H6C
*1. Please write "0" to instruction code HFF (Link parameter expansion setting) just before the IVCK
instruction when reading frequency.
When "0" is not written, reading of the frequency may not be executed normally.
E-104
Digit Specification
 
, FX , FX
3G 3GC 3U
and FX PLCs.
3U 3UC
S S
 
1 2
FNC270
K6 H6F
IVCK
Read contents
Operation mode
Output frequency [speed]
Output current
Output voltage
Special monitor
Special monitor selection No.
Alarm definition
Alarm definition
Alarm definition
Alarm definition
Inverter status monitor (expansion)
Inverter status monitor
Set frequency read (E2PROM)
Set frequency read (RAM)
Link parameter expansion setting These codes cannot be specified in
Second parameter changing
9 Creating Programs (FX3S, FX3G, FX3GC, FX3U, FX3UC)
9.4 Inverter Operation Monitoring Instruction (PLC  Inverter) [FNC270 / IVCK]
.
D
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
D100 K1
Communication channel K1:ch1
Read value storage destination
Inverter instruction code (hexadecimal)
F800, A800, F700,
A700, E700, D700














instruction. They are automatically processed when a
"second parameter specification code" is specified the
IVRD instruction.
Others
Con- Real Charac-
Index
stant Number ter String
E
  
  

 
K2:ch2
. Any instruction codes not
S
2
Applicable inverter
V500 F500, A500 E500 S500
 
*1


 
 
 
 
 
 
 
 
— —
 
*1


*1


S
2
Pointer
"" P
 
 
 
—

— —
— —
 
 
—

—

— —
 
 
 
of the IVCK