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Mitsubishi Electric A800-E Instruction Manual Page 71

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(N) Operation via communication and its settings
• Program example for writing data to EEPROM
Modify the program on
Frequency setting command Y100D  Y100E
Frequency setting completion X100D  X100E
<Timing chart when writing to RAM>
Inverter
running
frequency

For EEPROM, write is made only once when Y100E is switched on.

If the set data is changed with Y100E on, it is not reflected on the inverter.
 Program example for fault record reading
The following program reads fault records of station 1 inverter to D1.
• Faults history No. 1, No. 2 reading instruction code: H74 (hexadecimal)
For the error codes, refer to the Instruction Manual (Detailed) of the FR-A800/FR-F800 inverter.
The reply code at the time of instruction code execution is set to D2. (Refer to
SM1536
SD1536.0 SD1540.0
(0)
M0
X20
(4)
M300
(8)
M301
X100F
(10)
M302
X100F
(17)
(25)
 Program example for resetting the inverter at inverter error
The following is a program example for resetting station 1 inverter.
SM1536
SD1536.0 SD1540.0
(0)
M0
X101A
X20
(4)
(8)
NOTE
• The above inverter reset using RY1A may be made only when an inverter error occurs. When Pr.349 Communication reset
selection = "0", inverter reset is available independently of the operation mode.
• When using the instruction code execution request (RYF) with the instruction code (HFD) and data (H9696) to reset the
inverter, set a value other than "0" in Pr.340 Communication startup mode selection or change the operation mode to the
network operation mode. (For the program example, refer to
• Refer to
page 18
70
PARAMETER
page 69
as follows:
Y100D
W101
for operation conditions of inverter reset.
<Timing chart when writing to EEPROM>
Y100E
(∗2)
W101
Inverter
running
frequency
Reflect to the inverter when Y100E turns on
PLS
M300
SET
M301
MOV
H74
W102
SET
Y100F
RST
M301
SET
M302
MOV
W3
MOV
W2
RST
Y100F
RST
M302
END
page
67.)
(∗1)
page
60.)
M0
Check the data link status of the station 1
Write error history No.1 and No.2 read
code (H74) to RWw2.
Turn on the instruction code execution request
(RY0F)
D1
Read alarm data (RWr3) and reply code
(RWr2) to D1 and D2 when the instruction
code execution completion (RX0F) turns on.
D2
Turn off the instruction code execution request
(RY0F)
M0
Check the data link status of the station 1
Y101A
Turn on the error reset request flag (RY1A)
Turn off the error reset request flag (RY1A)
when the error status flag (RX1A) is off.
END

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F800-e

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