Yaskawa YASNAC PC NC PLC Programming Manual - Manual (Page 52)

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YASNAC PCNC PLC Programming Manual Chapter 6: PLC Instructions
(d) Example
Do not use the same address for both a fixed timer and a variable timer.
If used, correct operation cannot be guaranteed.
(2) TMR (Variable 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.
• Write the timer value from the NC keyboard by following the parameter writing
procedure. In this case, the timer value can be written in a decimal value.
• Five types of timer can be used as with the TIM instruction.
(d) Example:
Paradym31 Variable Name CV PV