FX Series Programmable Controllers Devices in Detail 4
4-15
4.9 Timers
Device Mnemonic: T
Purpose: Timed durations
Alias: Timer(s)
T
Available forms: A driven coil sets internal PLC contacts (NO and NC contacts available).
Various timer resolutions are possible, from 1 to 100 msec, but availability
and quantity vary from PLC to PLC. The following variations are also
available:-
Selectable timer resolutions - see page 4-16
Retentive timers - see page 4-17
Timers used in interrupt and ‘CALL’ subroutines - see page 4-18
Devices numbered in: Decimal, i.e T0 to T9, T10 to T19.
Further uses: None
Example device usage:
Available devices:
Selectable timers taken from the main range of 100 msec timers, see page 4-16.
Timer accuracy:
• See page 4-18.
Timer Resolution FX1S FX1N FX2N FX2NC
100 msec
63
(T0 - 62)
200
(T0 - 199)
10 msec
\ 31
(T32 - 62)
46
(T200 - 245)
1msec
1
(T63)
N/A
Retentive 1 msec N/A
4
(T246 - 249)
Retentive 100 msec N/A
6
(T250 - 255)
FX
1S
FX1N FX2N
FX2NC
X0
T20
K123
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