NI 9481 Operating Instructions and Specifications
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Switching capacity (resistive load)
Switching voltage ....................... 60 VDC max, 250 V
rms
max
Switching c
u
rrent, per channel
One channel on .................... 4 A max at 30 VDC,
1 A max at 60 VDC,
4 A max at 250 V
rms
All channels on .................... 2 A max at 30 VDC,
1 A max at 60 VDC,
2 A max at 250 V
rms
Resistance per channel,
channel on......................................... 50 m
Ω
Switching rate ................................... 1 operation per second
Relay release time............................. 5 ms max
Relay operate time ............................ 10 ms max
Relay bo
u
nce time ............................ 3 ms
Off state leakage ............................... 10
μ
A max
Life expectancy
Mechanical (no load).................. 20,000,000 operations
Electrical (connecting to load) ... 100,000 operations
