Chapter 4 CPU Function
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1) Parameter Setting
2) Time-driven Interrupt
Time-driven interrupt occurs periodically with the constant interval assigned in parameter setting. In PLC
option card of iS7 inverter series, Available TDI is P000 ~ P007 (8 points) assigned in parameter setting
and period can be designated for each other.
3) Process-driven Interrupt
Available Process-driven interrupt is P000 ~ P005 (6 points) assigned in parameter setting.
In the parameter setting window, TDINT indicates time driven interrupt and INT indicates process
driven interrupt. (Edge setting can select Up, Down, Up/Down of input signal when Process-driven
interrupt is selected.)
Remark
-. Interrupt signal is ignored when self-interrupt occurs more than 2 times during interrupt processing is
executing.
-. Interrupt program is available to maximum 8 points. If Process-driven interrupt used one, Time-driven interrupt
can use maximum 7 points.
It is ignored.
It process the only final signal.
Interrupt executing
Interrupt signal
(ex : rising edge)
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