Specifications
National Instruments UMI-7774/7772 User Manual
A-2
ni.com
Turn on current .......................................14 mA maximum, current limited
3 mA minimum, current limited
Maximum pulse rate ...............................100 KHz
Minimum pulse detected ........................10 µs
Reverse polarity protection.....................Yes, –30 V
Trigger Inputs
Type ........................................................Optically isolated, current sinking
Input voltage range .................................0 to 30 V
Input ON voltage .............................3.5 to 30 V
Input OFF voltage............................0 to 2 V
Turn on current .......................................14 mA maximum, current limited
3 mA minimum, current limited
Maximum pulse rate ...............................1 MHz
Minimum pulse detected ........................1 µs
Reverse polarity protection.....................Yes, –30 V
Axis Inhibit Outputs
Type ........................................................Optically isolated,
current sourcing
Output voltage range ..............................5 to 30 V
Output current
5 V
iso
................................................60 mA, maximum
24 V
iso
..............................................150 mA, maximum
30 V
iso
..............................................160 mA, maximum
Maximum pulse rate ...............................10 kHz
Minimum pulse generated ......................100 µs
