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Chapter 5. Function Block Diagram (FBD)
Function
Description
Scan Set I/O. Scans the IO of a specified scan set.
For details, refer to Control Functions in Chapter 4.
Suspend I/O. Suspends for one sweep all normal I/O updates, except those specified
by DO I/O instructions.
For details, refer to Control Functions in Chapter 4.
Suspend I/O Interrupt. Suspend or resume an I/O interrupt when using I/O variables. If
not using I/O variables, use SVC_REQ 32: Suspend/Resume I/O Interrupt, described in
Chapter 6.
For details, refer to Control Functions in Chapter 4.
Falling Edge Trigger. Detects a high-to-low transition of a Boolean input. Produces a
single output pulse when a falling edge is detected.
For details, refer to Control Functions in Chapter 4.
Rising Edge Trigger. Detects a low-to-high transition of a Boolean input. Produces a
single output pulse when a rising edge is detected.
For details, refer to Control Functions in Chapter 4.
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PACSystems* RX7i, RX3i and RSTi-EP CPU Programmer's Reference Manual
GFK-2950C
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