Panasonic AFPX-C30T - Relays, Memory Areas and Constants

15.3 Relays, Memory Areas and Constants
Item
Number of points and range of
memory area available for use
Function
C14
C30
C60
Relay
External input
Note1)
(X)
1760 points (X0 to X109F) Turns on or off based on external input.
External
output
Note1)
(Y)
1760 points (Y0 to Y109F) Externally outputs on or off state
Internal relay
Note2)
(R)
4096 points (R0 to R255F)
Relay which turns on or off only within
program.
Link relay
Note2)
(L)
2048 points (L0 to L127F)
This relay is a shared relay used for PLC
link.
Timer
Note2)
(T)
1024 points (T0 to T1007/C1008
to C1023)
Note3)
This goes on when the timer reaches the
specified time. It corresponds to the timer
number.
Counter
Note2)
(C)
This goes on when the counter
increments. It corresponds to the counter
number.
Special
internal relay
(R)
192 points (R9000 to R911F)
Relay which turns on or off based on
specific conditions and is used as a flag.
Memory area
External input
Note1)
(WX)
110 words (WX0 to WX109)
Code for specifying 16 external input
points as one word (16 bits) of data.
External
output
Note1)
(WY)
110 words (WY0 to WY109)
Code for specifying 16 external output
points as one word (16 bits) of data.
Internal relay
Note2)
(WR)
256 words (WR0 to WR255)
Code for specifying 16 internal relay
points as one word (16 bits) of data.
Link relay
(WL)
128 words (WL0 to WL127)
Code for specifying 16 link relay points as
one word (16 bits) of data.
Data register
Note2)
(DT)
12285 words
(DT0 to
DT12284)
32765 words
(DT0 to
DT32764)
Data memory used in program. Data is
handled in 16-bit units (one word).
Link register
Note2)
(LD)
256 words (LD0 to LD255)
This is a shared data memory which is
used within the PLC link. Data is handled
in 16-bit units (one word).
Timer/Counter
set value area
Note2)
(SV)
1024 words (SV0 to SV1023)
Data memory for storing a target value of
a timer and setting value of a counter.
Stores by timer/counter number
Timer/Counter
elapsed value
area
Note2)
(EV)
1024 words (EV0 to EV1023)
Data memory for storing the elapsed
value during operation of a timer/counter.
Stores by timer/counter number.
Special data
register (DT)
374 words (DT90000 to
DT90373)
Data memory for storing specific data.
Various settings and error codes are
stored.
Index register
(I)
14 words (I0 to ID)
Register can be used as an address of
memory area and constants modifier.
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