Omega USB-4750 - Manual (Page 23)

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 18