National Instruments 7340 PCI User Manual

Page 47

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Appendix A

Specifications

NI 7340 User Manual

A-4

ni.com

Minimum pulse width......................1 ms with filter enabled;

60 ns without filter enabled

Control.............................................Individual enable/disable, stop on

input, prevent motion, Find Home

Trigger inputs

Number of inputs.............................4 (Encoders 1 through 4)

Voltage range...................................0 to 5 V

Input low voltage......................0.8 V

Input high voltage.....................2 V

Polarity ............................................Programmable, active-high

or active-low

Minimum pulse width......................100 ns

Capture latency................................<100 ns

Capture accuracy .............................1 count

Maximum repetitive capture rate.....100 Hz

Breakpoint outputs

Number of outputs...........................4 (Encoders 1 through 4)

Voltage range...................................0 to 5 V

Output low voltage ...................<0.6 V at 64 mA sink

Output high voltage ..................Open collector with built-in

3.3 k

Ω pull-up to +5 V

Polarity ............................................Programmable, active-high

or active-low

Maximum repetitive

breakpoint rate .................................100 Hz

Inhibit/enable output

Number of outputs...........................4 (1 per-axis)

Voltage range...................................0 to 5 V

Output low voltage ...................<0.6 V at 64 mA sink

Output high voltage ..................Open collector with built-in

3.3 k

Ω pull-up to +5 V

Polarity ............................................Programmable, active-high

or active-low

Control.............................................MustOn/MustOff or

automatic when axis off

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