© National Instruments Corp. 11 FP-QUAD-510
Specifications
The following specifications are typical for a range of
–40to +70°C, unless otherwise noted.

Encoder Input

Number of channels.......................... 4
Input type
Single-ended............................... VIL = 0.0–0.8V
VIH = 2.0–250.0V
Differential................................. ±0.3V provided one input
falls between 0.0and 3.0V
and the other input falls
between 0.0and 250V
Maximum protected input voltage....±250 VDC on each input
Input bandwidth................................250 kHz for each input
Encoder frequency............................1 million counts/second
Minimum input pulse width..............2 µs
Isolation............................................ 2,500 Vrms
Safety isolation, working voltage.....250 Vrms, designed per
IEC1010 as double insulated
External supply voltage (V)..............8 to 30 VDC, user-provided
at 5W
I/O supply voltage (Vsup)................ 5VDC at 600 mA maximum

Physical

Indicators..................................... .....Green POWER and READY
indicators
Weight...............................................143 g (5.1oz.)

Power Requirements

Power from network module............ 1.2W maximum

Environment

Operating temperature...................... –40 to +70 °C
Storage temperature..........................–55 to +85 °C
Relative humidity..............................5% to 90%, non-condensing