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3 . I n s t r u c t i o n S e t
M N 0 5 0 0 3 0 0 3 E F or m o r e i nf o r m a t i o n v i s i t : www. e a t o n. c o m
3-471
API Mnemonic
Operands
Function
196
HST P
S
High Speed Timer
Bit Devices
Word devices
Program Steps
Type
OP
X Y M S K H KnX KnY KnM KnS T
C D E
F
S
*
*
HST, HSTP: 3 steps
ELC ELCB
ELCM
PB PC/PA/PH
PV
PB PH/PA
32 16
P
32 16
P
32 16
P 32 16 P 32 16
P
Operands:
S:
Start/stop
condition for the high speed timer
Description:
1. Range
of
S
: S = K0 or K1.
2. Flag: M1015: See below for details.
3. When
S
= 1, and the high speed timer is executed, M1015 will be On and, the high speed
timer will start to time and record the present value in D1015 (units: 100us).
4. The timing range of D1015: K0 ~ K32,767. When the accumulated value equals K32,767, the
timer will roll over to 0..
5. When
S
= 0, the high speed timer will be disabled and M1015 = Off. D1015 will stop the
timing immediately.
6. When
S
is other than 0 or 1, the HST instruction will not execute.
Program Example :
1. When X10 = On, M1015 will be On. The high speed timer will start to time and record the
present value in D1015.
2. When X10 = Off, M1015 will be Off. The high speed timer will be shut down.
X10
HST
K1
X10
HST
K0
Points to note:
1. Flag
descriptions:
M1015: high speed timer start-up indication
D1015: high speed timer accumulated value
Содержание ELC-PB
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