Pulse InputsSection 7-5

7-5-4 Pulse Input Specifications

Item

 

 

Specification

 

 

 

 

 

 

 

Number of

2 inputs

 

 

 

 

pulse inputs

Note High-speed counter 1 can be an RS-422A line-driver input or an input with a voltage of 24 VDC.

 

High-speed counter 2 can be an RS-422A line-driver input or an input with a voltage of 24 VDC,

 

except for the FQM1-MMA21, which supports only line-driver inputs to high-speed counter 2.

 

 

 

 

 

Signals

Encoder inputs A and B and pulse input Z

 

 

 

 

 

 

 

 

Ports

High-speed counters 1 and 2

 

High-speed counters 1 and 2

 

 

 

 

 

Input voltage

24 VDC ±10%

 

 

RS-422A line-driver (AM26LS31 equivalent)

 

 

 

 

 

 

 

Phases A and B

Phase Z

 

Phases A and B

Phase Z

 

 

 

 

 

 

Input current

5 mA typical

8 mA typical

 

10 mA typical

13 mA typical

 

 

 

 

 

 

ON voltage

19.6 V DC min.

18.6 V DC min.

 

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OFF voltage

4.0 V DC max.

4.0 V DC max.

 

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Page 173
Image 173
Omron FQM1-MMP21, FQM1-CM001, FQM1-MMA21 operation manual Pulse Input Specifications