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MELSEC-
A
3 SPECIFICATIONS
(2) Remote output (RY)
Device No. Signal name Details
RYn0 Transmission request Refer to the sections on RXn0 and RXn1.
RYn1
Transmission cancel
request
To cancel the transmission after requesting transmission from R2, the transmission
will be canceled when the transmission cancel request (RYn1) turns ON.
When the transmission is forcibly canceled, the transmission normal complete (RXn0)
or transmission error complete (RXn1) will turn ON.
When these turn ON, the transmission request (RYn0) and transmission cancel
request (RYn1) will turn OFF.
R2 is transmitting
contents of transmission
area to external device.
Forcibly cancels transmission.
Transmission request (RYn0)
Transmission normal complete
(RXn0)
or Transmission error complete
(RXn1)
Transmission cancel request
(
RYn1
)
RYn2
Reception read
complete
Refer to the sections on RXn2 and RXn3.
RYn3
Forced reception
complete request
When the forced reception complete request (RYn3) turns ON, reception from the
external device will be forcibly completed.
When the forced reception is completed, the reception normal read request (RXn2)
and reception error read request (RXn3) will turn ON.
When these turn ON, forced reception complete request (RYn3) will turn OFF and
reception read complete (RYn2) will turn ON.
When the reception read complete (RYn2) turns ON, the reception normal read
request (RXn2) and reception error read request (RXn3) will turn OFF.
When this turns OFF, reception read complete (RYn2) will turn OFF.
Forced reception complete
request (RYn3)
Reception normal read request
(RXn2)
or Reception error read request
(RXn3)
Forcibly completes
the reception.
Receiving data
Reads reception area with program.
Reception read complete (RYn2)
RYn4 Initialization request Refer to the sections on RXn4 and RXn5.
RYn6
OS reception area
clear request
Refer to the section on RXn6.
RYn7
EEPROM function
request
Refer to the sections on RXn7 and RXn8.