DI-148U, DI-148U-SP, and DI–158 Series Hardware Manual
Specifications
7
Digital I/O
Channels:
DI-148: 6 bi-directional
DI-158: 4 bi-directional
Output voltage levels:
Minimum “1”, 3V @ 2.5mA sourcing; Maximum “0”, 0.4V @ 2.5mA
sinking
Output current:
Maximum source, -2.5mA; Maximum sink, 2.5mA
Input voltage levels:
Minimum required “1”, 2V; Maximum allowed “0”, 0.8V
Calibration
Calibration Cycle:
One year
Calibration method:
Digital calibration with scale and offset constant per channel.
USB Interface
Connector Type:
USB
Maximum data transfer rate:
14,400 samples per second
General
Input connectors:
Two 8 position terminal blocks
Operating Environment:
0°C to 70°C
Enclosure:
Molded ABS plastic.
Dimensions:
2.6D x 2.6W x 1.1H in.
66D x 66W x 28H mm.
Weight:
3 oz. (85 gr.)
Power Requirements:
80mA max. @ 5 VDC. No external power required—power derived
from communications cable.