Omron FQM1-CM001, FQM1-MMA21, FQM1-MMP21 Pulse Inputs, Section, Minimum response pulse, At 50 kHz

Pulse Inputs Section 7-5

Item

Specification

Minimum response pulse

At 50 kHz	Encoder Inputs A and B		Encoder Inputs A and B
	Waveform of Encoder Inputs A and B		Encoder Inputs A and B Waveform
	Signal rise and fall must be 3 ∝s max.		Square waveform
	50-kHz pulse with 50% duty ratio		50-kHz pulse with 50% duty ratio		∝s min.
		20 ∝s min.		20

10 ∝s min.		10 ∝s min.			10 ∝s min.	10 ∝s min.
				ON
ON
50%				50%
				OFF
OFF
3 ∝s max.	3 ∝s max.		Relationship to Phase Differential Inputs A and B
			T1, T2, T3,and T4 must be 4.5 ∝s min.
Relationship to Phase Differential Inputs A and B			There must be 4.5		∝s min. between phase-A and
			phase-B change points.
T1, T2, T3,and T4 must be 4.5 ∝s min.					20 ∝s min.
There must be 4.5 ∝s min. between phase-A and
				ON
phase-B change points.
			Phase A	50%
	20 ∝s min.
				OFF
ON
Phase A 50%
OFF
				ON
			Phase B
ON				OFF
					T1	T3
Phase B
					T2	T4

OFF						Encoder Input Z or Sensor Input
	T1			T3
			T2		T4
						Encoder Input Z Waveform
Encoder Input Z or Sensor Input						The pulse width must be 90 ∝s min.
							90 ∝s min.
Encoder Input Z Waveform
The pulse width must be 90 ∝s min.						ON
		90 ∝s min.				50%
ON						OFF
50%
OFF
At 500 kHz Operation may not be reliable above 50 kHz.						Encoder Inputs A and B

Encoder Inputs A and B Waveform Square waveform

1-MHz pulse with 50% duty ratio

1 ∝s min.

0.5 ∝s min. 0.5 ∝s min.

ON

50%

OFF

Relationship with Phase Differential Inputs A and B

T1, T2, T3,and T4 must be 0.5 ∝s min.

There must be 0.5 ∝s min. between phase-A and phase-B change points.

2 ∝s min.
ON
50%
OFF
ON
OFF
T1	T3
T2	T4

Encoder Input Z or Sensor Input

Encoder Input Z Waveform

The pulse width must be 10 ∝s min. 10 ∝s min.

ON

50%

OFF

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