GE GFK-0804B manual Micro PLC Instruction Set

1

The Micro PLC Instruction Set

Programs for a PLC are created from the elements provided in its Instruction Set. The Instruction Set for the GE Fanuc Micro PLC includes both basic relay-replacement contacts and many advanced program functions:

H	Contacts		H	Math functions
	h	Normally-open Contact		h	Addition
	h	Normally-closed Contact		h	Subtraction
	h	Positive Transition Contact		h	Multiplication
	h	Negative Transition Contact		h	Division
H	Outputs		H	Move functions
	h	Output coil		h	Move
	h	Set coil		h	Block Move
	h	Reset coil		h	Indirect Move
	h	Master Control Relay	H	Comparison functions
	h	Skip/Jump		h	Equal
H	Timers			h	Not Equal
	h	On Timer		h	Greater Than
	h	Off Timer		h	Less Than
H	Counters			h	Greater Than or Equal to
	h	Up Counter		h	Less Than or Equal to
	h	Down Counter	H	Logical operation functions
				h	AND
				h	Inclusive OR
				h	Exclusive OR
				h	Shift Right
				h	Shift Left
				h	Not

1-4 Micro PLC Programmer's Guide ± April 1994 GFK-0804B