Plc Function - Mitsubishi Electric FR-A820-00046 Instruction Manual

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Parameters
5.14.17

PLC function

The inverter can be run in accordance with a sequence program.
In accordance with the machine specifications, a user can set various operation patterns: inverter
movements at signal inputs, signal outputs at particular inverter statuses, and monitor outputs, etc.
Pr.
414
A800
415
A801
416
A802
417
A803
498
A804
1150 to
1199
A810 to
A859
FR-A800
Name
PLC function operation
selection
Inverter operation lock
mode setting
Pre-scale function
selection
Pre-scale setting value
PLC function flash memory
clear
User parameters 1to
User parameters 50
Initial
Setting
Description
value
range
0
PLC function disabled
1
0
PLC function
enabled
2
The inverter start command is enabled regardless of the
0
operating status of the sequence program.
0
The inverter start command is enabled only while the
1
sequence program is running.
Unit scale
factor
0: No function
1: × 1
0
0 to 5
2: × 0.1
3: × 0.01
4: × 0.001
5: × 0.0001
Pre-scale
1
0 to 32767
setting value
0: Clears the flash memory fault display (no
operation after writing while the flash memory is
in normal operation).
9696: Clears the flash memory (no operation
Write after writing during flash memory fault).
Other than 0 and 9696: Outside of the setting
0, 9696
0
range
(0 to 9999)
0: Normal display
1: The flash memory has not been cleared
because the PLC function is enabled.
9696: During flash memory clearing operation or
flash memory fault
Desired values can be set.
Because devices D206 to D255 used by the PLC function
can be mutually accessed, the values set to Pr. 1150 to Pr.
0
0 to 65535
1199 can be used by the sequence program. The result of
performing calculation by a sequence program can also
be monitored by Pr. 1150 to Pr. 1199.
(A) Application parameters
The SQ signal is enabled by input from a
command source (external input
terminal/communication).
The SQ signal is enabled by input from
an external input terminal.
When the pulse train is input from
terminal JOG, the number of sampled
pulses can be converted.
The result of conversion is stored to
SD1236.
"Number of sampled pulses"
= "input pulse value per count cycle" ×
"pre-scale setting value (Pr. 417)"
× "unit scale factor (Pr. 416)"
Write
Read
5 - 587

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