Omron FQM1-MMP21 Function Tables Arranged by Purpose, Section, 7-8Virtual Pulse Output Function

Function Tables Arranged by Purpose				Section 1-7
Purpose		Operation	Main functions	Details
			used
Synchronous	Slave axis con-	Electronic cam:	• Virtual axis	7-8 Virtual Pulse Output Function
control	trol synchro-	Changing target	(AXIS instruc-	Execute pulse output control of slave axis based
	nized to virtual	position and	tion)
				on virtual axis position and speed using AXIS
	axis.	speed every	• Cam curve
				instruction, instead of high-speed counter PV for
		cycle based on	generation or	real axis outlined above.
		virtual pulse out-	cam curve	Instead of the slave axis operation reflecting the
		put (position or	table every
				real machinery operation outlined above, this
		speed) to exe-	cycle based on
				method is used to operate position control for
		cute positioning.
			ladder pro-	multiple axes using the same timing.
			gramming
			(APR instruc-
			tion)
			• Pulse output
			with specified
			target position
			and frequency
			(PULS(886)
			instruction)
			• Constant cycle
			time
	Control of a par-	Electronic gear	• High-speed	7-6-13 Pulse Output Function Procedures
	ticular axis oper-	operation: Pulse	counter PV	Set pulse output operating mode to electronic
	ation at a speed	outputs based	• Straight-line
				cam control (circular).
	with a uniform	on input pulses	table (APR	Prepare a straight line table whose slope
	ratio applied	multiplied by a	instruction)
				becomes the multiplier for APR instruction and
		set factor.	• Pulse outputs
				use APR instructions to calculate the pulse out-
			with specified	put target position for slave axis corresponding
			target position	to high-speed counter PV and executes pulse
			and frequency	output control.
			(PULS(886)	Speed is set and controlled to enable distribution
			instruction)
				of specified number of pulses within FQM1 con-
			• Constant cycle
				trol cycle.
			time
Speed control	Creating any	Electronic cam	• Cam curve	7-6-13 Pulse Output Function Procedures
	trapezoidal	operation:	generation or	Set pulse output operation mode to electronic
	speed control	Changing target	cam curve
				cam control mode (linear) or electronic cam con-
	pattern (e.g., S-	position and	table every
				trol mode (circular).
	curve accelera-	speed every	cycle based on
				Used for applications such as creating ideal Ser-
	tion/decelera-	cycle according	ladder pro-	vomotor control patterns.
	tion) (fine	to time axis and	gramming
				Makes the Motion Control Module cycle time
	control of accel-	perform posi-	(APR instruc-
	eration/deceler-	tioning.	tion)	constant, generates a time axis using ladder
	ation using time)		• Pulse output	programming, specifies the target position and
			with specified	speed for the Servo Driver of the slave axis
				based on that time axis and gives pulse outputs.
			target position
			and frequency	The time unit can be set to milliseconds, allow-
			(PULS(886)	ing fine control in FQM1 high-speed cycles.
			instruction)
			• Constant cycle
			time

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