ADLINK USB-7250 - Manual (Page 12)

2 Introduction
1.3 Applications
X
Automotive testing
X
Laboratory research
X Industrial I/O control
X Signal switching
1.4 Specifications
1.4.1 General Specifications
1.4.2 Digital Input (DI)
Physical, Power, and Operating Environment
Interface
High speed USB 2.0 compatible, mini-USB
connector
Dimensions
156.5 (L) x 114 (W) x 41.3 (H) mm (6.16 X 4.49 X
1.63 in.)
I/O Connector Two 20-pin removable screw-down terminals
Power requirement USB power (5 V @ 400 mA)
Operating environment
Ambient temperature: 0 to 55°C
Relative humidity: 10% to 90%, non-condensing
Storage environment
Ambient temperature: -20 to 70 °C
Relative humidity: 5% to 95%, non-condensing
USB-7230 USB-7250
Optical Isolated Input
Number of channels
16 8
Polarity Bi-directional (non-polarity)
Logic level VIH=5~24V, VIL=0~1.5V
Or dry contact
Input resistance 2.4k @ 0.5W
Isolated voltage 2500V
RMS
(channel to system)