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CC-Link I/O Specifications
2.3 CC-Link I/O Specifications
2.3.1 I/O signal when CC-Link Ver.1 one station is occupied
(Pr. 544 = 100)
The device points usable in CC-Link communication are 32 input (RX) points (16
points are available for PLC function), 32 output (RY) points (16 points are available
for PLC function), 4 remote register (RWr) points and 4 remote register (RWw) points.
(1) Remote I/O
PLC
function
device
No.
Remote
output
device
No.
Signal
PLC
function
device
No.
Remote
input
device
No.
Signal
X30
RYn0 Forward rotation command
X30
RXn0 Forward running
X31 RYn1 Reverse rotation command X31 RXn1 Reverse running
X32
RYn2
High-speed operation
command
(terminal RH function) *1
X32
RXn2
Running
(terminal RUN function) *2
X33
RYn3
Middle-speed operation
command
(terminal RM function) *1
X33
RXn3
Up to frequency
(terminal SU function) *2
X34 RYn4
Low-speed operation
command
(terminal RL function) *1
X34 RXn4
Overload alarm
(terminal OL function) *2
X35
RYn5
Jog operation command
(terminal JOG function) *1
X35
RXn5
Instantaneous power failure
(terminal IPF function) *2
X36
RYn6
Second function selection
(terminal RT function) *1
X36
RXn6
Frequency detection
(terminal FU function) *2
X37 RYn7
Current input selection
(terminal AU function) *1
X37 RXn7
Error
(terminal ABC1 function) *2
X38
RYn8
Selection of automatic restart after
instantaneous power failure
(terminal CS function) *1
X38
RXn8 (terminal ABC2 function) *2
X39 RYn9 Output stop X39 RXn9
Pr. 313 assignment function
(DO0)
X3A RYnA
Start self-holding selection
(terminal STOP function) *1
X3A RXnA
Pr. 314 assignment function
(DO1)
X3B
RYnB
Reset
(terminal RES function) *1
X3B
RXnB
Pr. 315 assignment function
(DO2)
X3C
RYnC
General-purpose remote input
available in PLC function
X3C
RXnC
General-purpose remote input
available in PLC function
X3D
RYnD
X3D
RXnD
X3E
RYnE
X3E
RXnE
X3F
RYnF
X3F
RXnF
RY(n+1)0
to
RY(n+1)7
Reserved
RX(n+1)0
to
RX(n+1)7
Reserved
RY(n+1)8
Not used
(initial data process
completion flag)
RX(n+1)8
Not used
(initial data process request
flag)
RY(n+1)9
Not used
(initial data process request
flag)
RX(n+1)9
Not used
(initial data process
completion flag)
RY(n+1)A
Error reset request flag
RX(n+1)A
Error status flag