FX Series Programmable Controllers PLC Device Tables 8
8-5
Item Specification Remarks
High speed
counters (C)
1 phase
Range: -2,147,483,648 to +2,147,483,647
counts
General rule: Select counter combinations
with a combined counting frequency of
20kHz or less.
Note all counters are latched
C235 to C240
6 points
1 phase
c/w start
stop input
C241 to C245
5 points
2 phase
C246 to C250
5 points
A/B phase
C251 to C255
5 points
Data
registers (D)
General 8000 points
D0 to D7999
Type: 16 bit data storage register pair for 32
bit device
Latched 7800 points (subset)
D200 to D7999
Type: 16 bit data storage register pair for 32
bit device
File
registers
7000 points
D1000 to D7999 set by parameter in 14
blocks of 500 program steps
Type: 16 bit data storage register
Special 256 points
From the range D8000 to D8255
Type: 16 bit data storage register
Index 16 points
V0 to V7 and Z0 to Z7
Type: 16 bit data storage register
Pointers (P)
For use
with CALL
128 points P0 to P127
For use with
interrupts
6 input points, 3 timers, 6 counters
I00
o
to I50
o
and I6
PP
to I8
PP
(rising trigger
o
=1, falling trigger
o
=0,
PP
=time in msec)
Nest levels 8 points for use with MC and MCR N0 to N7
Numbers
Decimal K
16 bit: -32,768 to +32,767
32 bit: -2,147,483,648 to +2,147,483,647
Hexadecimal
H
16 bit: 0000 to FFFF
32 bit: 00000000 to FFFFFFFF
Floating
Point
32 bit: 0, ±1.175 x 10
-38
, ±3.403 x 10
38
(Not directly enterable)
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