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MELSEC-A
3 SPECIFICATION
Table 3.5 Remote I/O Signal Details (2/2)
Device No. Signal Name Description
RX(n+1)A Error status flag
Turns on when CH.
range error flag (RXn4 to RXn7) or E
2
PROM write error flag
(RXnC) has turned on.
Does not turn on at occurrence of the watchdog timer error. ("RUN" LED goes off.)
RX(n+1)A
Error status flag
RY(n+1)A
Error reset request flag
: Performed by sequence ladder
: Performed by AJ65SBT-64AD
RXn4 to RXn7
CH. range error flag
RX(n+1)B Remote READY
Turns on when initial data setting is completed after power-on or at termination of the
test mode.
(Used for interlocking read/write from/to the master module.)
RYn0
to
RYn3
CH.
moving average
processing specifying flag
Set the A/D conversion system to sampling processing or moving average
processing per channel.
Made valid on the leading edge of the initial data processing completion flag
(RY(n+1)8) or initial data setting request flag (RY(n+1)9).
OFF: Sampling processing
ON: Moving average processing
RY(n+1)8
Initial data processing
completion flag
Turns on after initial data processing completion when initial data processing is
requested after power-on or test mode operation.
RY(n+1)9
Initial data setting request
flag
Turns on at the time of initial data setting or changing.
RY(n+1)A Error reset request flag
When this flag turns on, the CH.
range error flag (RXn4 to RXn7) is reset (turned
off) and the error status flag (RX(n+1)A) is also reset, but the E
2
PROM write error
flag (RXnC) cannot be rest and therefore the error status flag remains on.
n: Address allocated to the master module by the station number setting.