Yaskawa YASNAC PC NC PLC Programming Manual User Manual
Page 51

6 - 15
YASNAC PCNC PLC Programming Manual Chapter 6: PLC Instructions
6.3.2 Timer Instructions
The timer instructions are described below.
(1) TIM (Fixed Timer) RR = 1 at time-up
(a) Function
The timer instruction counts the length of time while the ST contact is ON (RR=1), and
turns the TM ON at the preset time.
While the ST contact is OFF (RR = 0), the instruction sets the TM OFF and resets the
timer.
(b) Format
(c) Explanation
•
Setting range is from 0 to 255 in decimal. However, the setting must be made in
hexadecimal.
If the setting is “255”, the timer does not count up.
•
The following five types of timers can be used.
•
Accuracy of timers depends on the basic unit value.
With a timer of #1770, for example, setting of “2” sets the count-up time in the
range of 61 to 120 seconds since the setting unit of this timer is “1 = 1minute”.
•
To use the timers of #1300 to #1399, the compile of Ver. 3.5 or later necessary.
Address No.
Timer Type
Number of Timers
#1700 to #1709, #1760 to #1769
#1300 to #1309, #1360 to #1369
1 = 8 msec
40
#1710 to #1729, #1790 to #1799
#1310 to #1329, #1390 to #1399
1 = 0.1 sec
60
#1730 to #1749, #1780 to #1789
#1330 to #1349, #1380 to #1389
1 = 50 msec
60
#1750 to #1759, #1350 to #1359
1 = 1 sec
20
#1770 to #1773, #1370 to #1373
1 = 1 min
8
Paradym31 Variable Name
CV PV