Chapter 7. Usage of Various Functions
7-100
7.3.4 Instructions
1) Positioning Indirect start (POSIST)
(1) Functions
• When input condition turns on, corresponding positioning control starts from assigned step No.
• Positioning operation is edge triggered
.
(2) Example program
• When input condition(%MX000) turns on, Ch.0 starts positioning from Step no.1
Function block Description
Input
REQ: Executes POSIST function block
CH: Sets the channel (0 ~ 1)
PT_NO: Sets the start pattern no. (0 ~ 20)
Output
DONE: Turns On after the function block is executed without error, and
turns Off if an error occurs or there is no execution command.
STAT: Displays error status
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