General Electric   IS215UCVEH2AF     !!!  ---mail to: sales3@amikon.cn  

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In Normal Sweep, Constant Sweep, and Constant Window mode, Timed and I/O-Triggered programs execute during any phase of the PLC sweep. These programs will preempt the execution of Ordered programs and lower priority Timed and I/O-Triggered programs. The input specification is copied at the time the program is scheduled to execute (that is, when the time interval expires or the I/O Interrupt occurs). The output specification is copied upon completion of the program. 

Timed and I/O Interrupt blocks execute during any phase of the PLC sweep. These blocks will preempt the execution of all programs and have the highest priority of any user logic in the PLC. Timed and I/O Interrupt blocks do not have an input or output specification copy.

General Electric  IS215UCVEH2AF 

GE  IS215UCVEH2AF   | General Electric | Speedtronic Mark

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The following figure depicts 2 Ordered programs (A and B) , an I/O-Triggered program (C) with priority 10, a Timed program (D) with priority 20, and an I/O Interrupt block all executing in a typical PLC sweep in Normal Sweep mode.

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