AppendixA Specifications
7344/7334Hardware User Manual A-4 ni.com
Minpulse width ...............................1 ms
Control.............................................Individualenable/disable, stop on
input,prevent motion, Find Hom e
Trigger inputs
Numberof inputs .............................4 (Encoders 1 through 4)
Voltage range...................................0to 12 V
Inputlow voltage......................0.8 V
Inputhigh voltage .....................2V
Polarity............................................Programmable, active-high
oractive-low
Minpulse width ...............................83 ns
Capture latency................................<100 ns
Capture accuracy............................. 1 count
Max repetitive capture rate..............1 kHz
Breakpoint outputs
Numberof outputs ...........................4 (Encoders 1 through 4)
Voltage range...................................0to 5 V
Outputlow voltage ...................< 0.6 V at 64 mA sink
Outputhigh voltage ..................Open collector with built-in
3.3 kΩpull-up to +5 V
Polarity............................................Programmable, active-high
oractive-low
Inhibit/enable output
Numberof outputs ...........................4 (1 per-axis)
Voltage range...................................0to 5 V
Outputlow voltage ...................< 0.6 V at 64 mA sink
Outputhigh voltage ..................Open collector with built-in
3.3 kΩpull-up to +5 V
Polarity............................................Programmable, active-high
oractive-low
Control.............................................MustOn/MustOff or automatic
when axis off