National Instruments NI 1712 User Manual - page 70
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A-5
NI 17xx User Manual
Serial
Baud rates ......................................................... Up to 230.4 Kbps
Default baud rate ...................................... 9,600 bps
Hardware flow control...................................... No
Optically Isolated Inputs and Outputs
Isolated Inputs
Channels
NI 1712 ..................................................... 1
NI 1732/1752/1754................................... 2
Input type.......................................................... Sinking/sourcing, both inputs must have the
same configuration
Digital logic levels
OFF state
Input current ..................................... 0 mA to 0.1 mA
Input voltage ..................................... 0 V to 1 V
ON state
Input current ..................................... 3 mA to 5.4 mA
Input voltage ..................................... 20 V to 30 V
Minimum pulse width....................................... 1 ms
Isolated Outputs
Channels
NI 1712 ..................................................... 1
NI 1732/1752/1754................................... 2
Output type ....................................................... Sinking/sourcing, independently configurable
External load power supply range .................... 19 V to 30 V
Output current................................................... 100 mA, maximum per channel
Max toggle rate................................................. 10 kHz
Quadrature Encoder (NI 1732/1752/1754 Only)
Encoder type ..................................................... Differential, RS-422;
phase A/phase B, no index
Max toggle rate................................................. 1 MHz
Physical Characteristics
Lens mount ....................................................... C-mount
Camera housing ................................................ Painted die-cast aluminium