COMMUNICATION SPECIFICATIONS
24
Device
No.
Signal
Description
RYA
RYB
Reserved (Note 5)
Reserved for the system.
RYC
Monitor command
When the monitor command (RYC) is switched on, the monitored value is set to remote
register RWr
0
and monitoring (RXC) switches on. While the monitor command (RYC) is
on, the monitored value is always updated.
RYD
(Note 4)
Frequency setting
command (RAM)
When the frequency setting command (RYD) is switched on, the set frequency (RW
W1
)
is written to the inverter. (Note 3)
On completion of write, frequency setting completion (RXD) switches on.
RYE
(Note 4)
Frequency setting
command (E
2
PROM)
When the frequency setting command (RYE) is switched on, the set frequency (RW
W1
)
is written to the inverter.
On completion of write, frequency setting completion (RXE) switches on.
RYF
(Note 4)
Instruction code execution
request
When the instruction code execution request (RYF) is switched on, processing
corresponding to the instruction code set to RW
W2
is executed. After completion of
instruction code execution, instruction code execution completion (RXF) switches on.
When an instruction code execution error occurs, a value other than 0 is set to the reply
code (RWr
2
).