Appendix a specifications, A.1 isolated digital input, A.2 isolated digital output – Advantech USB-4750 User Manual
Page 24: A.3 isolated counter, A.4 general, Isolated digital input, Isolated digital output, Isolated counter, General
USB-4750 User Manual
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Appendix A Specifications
A.1 Isolated Digital Input
A.2 Isolated Digital Output
A.3 Isolated Counter
A.4 General
Channels
16
Interrupt Inputs
DI0, DI8
Optical Isolation
2500 VDC
Opto-isolator ResponseTime
25 µs
Input Voltage
5~50VDC, or dry contact
Channels
16
Optical Isolation
2500 VDC
Opto-isolatorResponse Time 25µs
Output Voltage
5 ~ 40 VDC
Sink Current
100mA/ch. Max. 1.1A/total Max.
Channels
2 independent
Resolution
32-bit counters (low 16bit by hardware and high
16bit by firmware)
Base Clock
External 8MHz max.
2 independent program-
mable clock sources
Internal 20MHz max.
Frequency Measurement Input frequency from 0.1Hz to 1Mhz
External Input Divide
2 to 65535
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)