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Mitsubishi Electric FX5 User Manual page 102

Melsec iq-f series
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(2) Precautions for programming
When communicating with inverters for multiple items, set the command contact for inverter communication instruction to ON
until transmission is complete. Program so that the command contact is turned OFF, when all communication with the inverter
has been completed, using the instruction execution normal end flag ([d] +1 or [d2] +1), instruction execution abnormal end
flag ([d] +2 or (d2) +2) or instruction execution completed flag (SM8029).
• If using instruction execution normal end flag ([d] +1 or [d2] +1) or instruction execution abnormal end flag ([d] +2 or [d2] +2)
X1
M0
Instruction normal completion
M101
Instruction abnormal
completion
M102
• When using instruction execution complete flag (M8029)
X1
M0
Instruction execution complete
SM8029
Instruction completion and error flag operation
When multiple inverter communication instructions are programmed, the following flags turn ON or OFF according to the
execution result of each inverter communication instruction.
To acquire the result of each inverter communication instruction, program as necessary just below the inverter communication
instruction using these flags.
■Related devices
• Special relays
FX5 dedicated
CH1
CH2
SM8029
SM8500
SM8510
SM8921
SM8931
• Special registers
FX5 dedicated
CH1
CH2
SD8500
SD8510
SD8920
SD8930
4 INVERTER COMMUNICATION
100
4.8 Programming
IVCK
(s1)
(s2)
IVCK
(s1)
(s2)
CH3
CH4
SM8520
SM8530
SM8941
SM8951
CH3
CH4
SD8520
SD8530
SD8940
SD8950
SET
M0
Command is latched.
(d1)
(n)
M100
Communication is executed.
RST
M0
Command is reset.
SET
M0
Command is latched.
(d1)
(n)
(d2)
Communication is executed.
RST
M0
Command is reset.
Description
Instruction execution completed
Serial communication error
IVBWR instruction error
Description
Serial communication error code
IVBWR instruction error parameter number

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