Program Example Of "Second Parameter Specification Code" - Mitsubishi FX3U-USB-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
9.7.3

Program example of "second parameter specification code"

In the program example shown below, data is written from the PLC to the parameters (frequency: 201, time:
1201, motor rotation direction: 2201) in the A500 inverter.
X001
Write
command
M0
Drive
contact
number: 0 to 31
M8029
Execution complete flag
9.8 Inverter Parameter Batch Writing (PLC→Inverter) [FNC274 / IVBWR]
This instruction writes values from the PLC to parameters in an inverter all at once.
The IVBWR instruction is supported only in FX
9.8.1 Function and operation
When a parameter number in an inverter is specified in the IVBWR (FNC274) instruction, the values of
and later are written to the specified items in the inverter all at once.
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 R U \G
S
1
S
2
S
3
n
→ For second parameter specification code, refer to Section 9.9.
S S
1 2
FNC273
K6 K2201
IVWR
Inverter station
FNC273
K6 K201
IVWR
FNC273
K6 K1201
IVWR
Digit Specification
9 Creating Programs (for FX3G, FX3U and FX3UC PLCs)
9.8 Inverter Parameter Batch Writing (PLC → Inverter) [FNC274 / IVBWR]
SET M0
S n
3
Motor rotation direction: Forward
H1 K1
Communication channel K1:ch1
Value written to inverter
Inverter parameter number (decimal)
Frequency: 20Hz
H14 K1
Time: 1:00
H100 K1
The unit is specified by Pr. 200.
RST M0
and FX PLCs.
3U 3UC
Word Devices
Special
System/User
Unit
V Z Modify K H
Others
Con- Real Charac-
Index
stant Number ter String
E " "
A
B
C
D
E
F
S
3
G
Pointer
P
H
I
Apx.
E-95