Appendix A Specifications

A.1 Isolated Digital Input

 

Channels

 

8

 

 

 

Optical Isolation

 

2,500 VDC

 

 

 

 

 

 

 

 

Opto-isolator response time

25us

 

 

 

 

 

 

 

 

Input Voltage

 

VIH (max.)

30VDC

 

 

 

 

 

 

 

 

 

VIH (min.)

5VDC

 

 

 

 

 

 

 

 

 

VIL (max,)

2VDC

 

 

 

 

 

 

 

Input current

 

5VDC

1.2mA

 

 

 

 

 

 

 

 

 

12VDC

3.3mA

 

 

 

 

 

 

 

 

 

24VDC

6.9mA

 

 

 

 

 

 

 

 

 

30VDC

8.7mA

 

 

 

 

 

 

A.2 Relay Output

 

 

 

 

 

 

 

 

 

 

 

Channels

8

 

 

 

 

 

 

 

 

 

 

Relay Type

Form C

 

 

 

 

 

 

 

 

Rating (Resistive)

30 VDC@1 A

 

 

 

110 VAC@0.3 A

 

 

 

120 VAC@0.5 A

 

 

 

240 VAC@0.25 A

 

 

Max. Switching Power

62.5 VA, 60 W

 

 

 

 

 

 

Max. Switching Voltage

220 VDC,250 VAC

 

 

 

 

 

 

 

 

Max. Switching Current

5 A

 

 

 

 

 

 

 

 

 

 

Breakdown Voltage

1500 V

 

 

 

 

 

 

 

 

 

 

Operate time

5 ms max.

 

 

 

 

 

 

 

 

 

 

Release time

4 ms max.

 

 

 

 

 

 

 

 

Insulation Resistance

1X109 . (at 500 VDC)

 

 

Life Expectancy

Mechanical

1X108 operations (typical)

 

 

Electrical

 

12 V@10 mA: 5X107 operations (typical)

 

 

 

 

6 V@100 mA: 1X107 operations (typical)

 

 

 

 

60 V@500 mA: 5X105 operations (typical)

 

 

 

 

30 V@1000 mA: 1X106 operations (typical)

 

 

 

 

30 V@2000 mA: 2X105 operations (typical)

USB-4761 User Manual

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Advantech USB-4761 user manual Isolated Digital Input, Relay Output