Immediate Elements
Immediate: Read Physical Input
Immediate: Update High-speed Input
Immediate: Write to Output
Immediate: Write to Physical Analog Output
For information regarding advanced functions, such as MODBUS, check the topic FBs Library.
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Immediate Elements
Immediate elements are located on the More> Immediate menu.
Generally, I/Os values are read and written to according to the PLC program scan.
Immediate elements immediately update the current value of I/Os--without regard to the program scan. This
enables you:
Write values to inputs, and use the new input value to execute the rest of the PLC program.
Turn outputs ON, as for example in an emergency routine.
If your program requires you to immediately update an I/O value, use Immediate elements in conjunction with
Interrupt routines.