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23 Applied Instructions (Extension Function)
23.1 EXTR_IN / External ROM function
577
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
21
Applied Instructions
(Real Time
Clock Control)
22
Applied Instructions
(External Device)
23
Applied Instructions
(Extension
Function)
24
Applied Instructions
(Others)
25
Applied Instructions
(Block Data
Operation)
26
Applied Instructions
(Character
String Control)
27
Applied Instructions
(Data Operation 3)
28
Applied Instructions
(Data Comparison)
29
Applied Instructions
(Data Table
Operation)
30
Applied Instructions
(External Device
Communication)
Function and operation explanation1 (Inverter operation control)
→ For the details of the instruction, refer to Communication Control Manual.
This instruction is for using the optional memory for extension functions.
When K11 is set to the device specified by , the control values necessary for inverter operation are
written in the PLC.
1. 16-bit operation (EXTR_IN, EXTRP_IN)
As for the inverter
*1
of the station number specified by , the control values (contents of the device
specified by ) are written to the "instruction code" (contents of the device specified by )
*2
.
*1. General purpose inverters FREQROL-A500/E500/S500 (with communications functions) series made
by Mitsubishi Electric Corporation
*2. Refer to the "Instruction code List" described later.
Also refer to the pages describing in detail the computer links from the inverter manual.
2. Inverter instruction codes
The table below shows the inverter instruction codes and their functions of the device specified by .
For the instruction codes, refer to the pages describing in detail the computer links from the inverter manual.
3. Related devices
*1. Cleared when changing from STOP to RUN.
Instruction codes of
inverter specified by
(hexadecimal)
Contents to be written
Applicable inverters
A500 E500 S500
HFB Operation mode 333
HF3 Special monitor selection No. 3
HFA Operation command 333
HEE Writing set frequency (EEPROM) 333
HED Writing set frequency (RAM) 333
HFD Inverter reset 333
HF4 Batch-clearing error contents 333
HFC Clearing all parameters 333
HFC User clear 3
Special
auxiliary
relays
Function
Special data
register
Function
M8104
ON when installing extended ROM
cassette
D8104 Extended ROM type code
D8105 Extended ROM version
M8154
Function to be defined for each EXTR
instruction
D8154 Time waiting for EXTR instruction response
M8155
Communications port being used by EXTR
instruction
D8155
Step number of instruction occupying communications
port
M8156 Communication error by EXTR instruction D8156 Communication error by EXTR instruction
M8157
Communication error by EXTR instruction
(Latch)
*1
D8157
Communication error by EXTR instruction (Latch)
*1
K1 if no error
EXTR_IN
EN
s
sd1
ENO
K11
sd2
sd3
Command
input
Inverter station number
Inverter instruction code (hexadecimal)
Value written in inverter