Omron FQM1-CM001, FQM1-MMA21 Pulse Inputs, Section, Monitoring High-speedCounter Movement Mode

Pulse Inputs Section 7-5

Monitoring High-speed Counter Movement (Mode 1)

Note

This function monitors the change in a high-speed counter’s PV (travel dis- tance) regularly at the preset sampling period. The sampling period can be set between 1 and 9,999 ms.

If the sampling time is set to 0, the change will be sampled once each cycle. The change in the high-speed counter PV (travel distance) is stored in A604 and A605 (high-speed counter 1) or A606 and A607 (high-speed counter 2). Status Flags A608.06 and A609.06 can be checked to determine whether or not change is being measured.

(1)The change (per sampling period) is refreshed during the Motion Control Module’s I/O refreshing.

(2)The change in the high-speed counter PV’s is output as an absolute val- ue.

Word	Bits	Function	Details
A604 and	00 to 15	High-speed Counter 1	Contains the change in high-speed
A605		Monitor Data	counter 1.
			The change in the high-speed
			counter PV during the specified sam-
			pling period is stored in 8-digit hexa-
			decimal (0000 0000 to FFFF FFFF).
A606 and	00 to 15	High-speed Counter 2	Contains the change in high-speed
A607		Monitor Data	counter 2.
			The change in the high-speed
			counter PV during the specified sam-
			pling period is stored in 8-digit hexa-
			decimal (0000 0000 to FFFF FFFF).
A608	06	High-speed Counter 1	Measuring Flag
		Status Flag	OFF: The high-speed counter move-
			ment measurement operation
			is stopped.
			ON: The high-speed counter move-
			ment is being measured.
A609	06	High-speed Counter 2	Measuring Flag
		Status Flag	OFF: The high-speed counter move-
			ment measurement operation
			is stopped.
			ON: The high-speed counter move-
			ment is being measured.

The pulse input’s counter data display must be set to counter movements (mode 1) in the System Setup in advance. The sampling period must also be set in the System Setup.

Tab page		Function		Details
Pulse input	Counter 1		Counter data	1 hex:
			display	Counter movements (mode 1)
			Sampling time	Set the sampling time when mea-
			(mode 1)	suring counter movement.
				0000: Cycle time
				0001 to 270F hex: 1 to 9999 ms
				(unit: 1 ms)
	Counter 2		Counter data	1 hex:
			display	Counter movements (mode 1)
			Sampling time	Set the sampling time when mea-
			(mode 1)	suring counter movement.
				0000: Cycle time
				0001 to 270F hex: 1 to 9999 ms
				(unit: 1 ms)

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