Appendix A Specifications

A.1 Isolated Digital Input

Channels

 

 

 

 

16

 

 

Interrupt Inputs

 

 

 

 

DI0, DI8

 

 

Optical Isolation

 

 

 

 

2500 VDC

 

 

Opto-isolator ResponseTime

 

 

25 µs

 

 

 

 

 

 

 

 

 

 

 

Input Voltage

 

 

 

 

5~50VDC, or dry contact

 

A.2 Isolated Digital Output

 

 

 

 

 

 

 

 

 

 

 

Channels

 

 

16

 

 

 

 

Optical Isolation

 

 

2500 VDC

 

 

Opto-isolatorResponse Time

25µs

 

 

Output Voltage

 

 

5 ~ 40 VDC

 

 

Sink Current

 

 

100mA/ch. Max. 1.1A/total Max.

 

A.3 Isolated Counter

 

 

 

 

 

 

 

 

 

 

 

 

Channels

 

2 independent

 

 

 

 

 

 

 

Resolution

 

32-bit counters (low 16bit by hardware and high

 

 

 

16bit by firmware)

 

 

Base Clock

 

External

 

8MHz max.

2 independent program-

 

 

 

Internal

 

20MHz max.

mable clock sources

 

Frequency Measurement

Input frequency from 0.1Hz to 1Mhz

 

 

 

 

 

 

 

External Input Divide

 

2 to 65535

 

 

 

 

 

 

 

 

 

 

 

A.4 General

 

 

 

 

 

 

 

 

 

 

 

 

I/O Connector Type

10-pin screw terminal *4

 

 

 

 

Dimensions

132 X 80 X 32 mm (5.2” X 3.2” X 1.3”)

 

 

 

 

Power Consumption

5 V @ 350 mA max.

 

 

 

 

 

Temperature

Operation

0~60° C (32~140° F) (refer to IEC 68-2-1, 2)

 

Storage

 

-20~70° C (-4~158° F)

Relative Humidity

5%~95% RH non-condensing (refer to IEC 68-2-1, 2)

 

 

 

 

 

 

 

 

 

USB-4750 User Manual

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Advantech USB-4750 user manual Isolated Digital Input, Isolated Digital Output, Isolated Counter, General