Delta AS Series Programming Manual page 1194

6.
Software limit function
a)
The following diagram shows the output curve diagram of axis 1 (Y0.0/Y0.1).
Positive limit function
b)
Operation of the positive limit
 Positive software limit position is set in HWCONFIG (by setting SR580=11,000 for example). After downloading
the setting to the PLC, it means the positive limit function starts.
 DDRVI starts to output 20,000 pulses in the positive direction. Note: the instruction does not output in the
positive direction if the positive limit is exceeded when the function starts.
 When the current position SR460 > the limit position SR580, it means that the condition for the software limit
function is met.
 DDRVI instruction stops the output immediately and the positive limit alarm SM465 is ON.
 If the condition for the limit function is not met, Y0.0 stops the output after 20,000 pulses.
Cha p ter 6 App l ied Ins truc tio ns
Negative limit function
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