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FX Series Programmable Controllers Devices in Detail 4
4-19
4.10 Counters
Device Mnemonic:
C
Purpose:
Event driven dela
y
s
Alias:
Counter(s)
C
Available forms:
A driven coil sets internal PLC contacts (NO and NC contacts available).
Various counter resolutions are possible includin
g
;
General/latched 16bit up counters - see pa
g
e 4-20
General/latched 32bit bi-directional counters - see pa
g
e 4-21
(The availabilit
y
and use of all these counters is PLC specific - please
check availabilit
y
before use)
Devices numbered in:
Decimal, i.e C0 to C9, C10 to C19
Further uses:
None
Example device usage:
Available devices:
High speed counters:
• For hi
g
h speed counters please see pa
g
e 4-22.
Setting ranges for counters:
• 16bit counters: -32,768 to +32,767
• 32bit counters: -2,147,483,648 to +2,147,483,647
Counter Resolution FX
0(S)
FX
0N
FX FX
(2C)
FX
2N(C)
General 16bit up
counter
14
(C0 - 13)
16
(C0 - 15)
100
(C0 - 99)
Latched 16bit up
counter
2
(C14 - 15)
16
(C16 - 31)
100
(C100 - 199)
General 32bit
bi-directional counter
N/A N/A
20
(C200 - 219)
Latched 32bit
bi-directional counter
N/A N/A
15
(C220 - 234)
X1
K345
X2
C12
RST
C12