28
|
ni.com
|
NI 9512 Operating Instructions and Specifications
Sinking 12 mA ..................... 0.7 V max
Sinking 4 mA ....................... 0.5 V max
Digital logic levels, differential (Step/Dir(+) - Step/Dir(-))
At 20 mA ............................. ±1 V min
At 12 mA ............................. ±1.5 V min
At 4 mA ............................... ±2 V min
Max pulse rate ............................ 5 MHz
Continuous output current
on each channel .......................... ±20 mA
Pulse width ................................. Approximately 50% of the
period, up to 6.4 µs max
Output mode............................... Software-selectable: step and
direction, or CW/CCW
Active state................................. Software-selectable: high or
low
Drive enable output
Output type................................. Software-selectable: sinking
or sourcing
Voltage range.............................. 0 to 30 V
Vsup input .................................. 19 to 30 V
