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© National Instruments Corporation
A-1
SCXI-1160 User Manual
Appendix A
Specifications
This appendix lists the specifications for the SCXI-1160. These are typical at 25
°
C and 50%
humidity unless otherwise stated. The operating temperature range is 0
°
to 50
°
C.
Contact Ratings
Switching power (resistive load)
AC
500 VA maximum
DC
60 W maximum for V
≤
30 V
30 W maximum for V > 30 V
Switching voltage
250 VAC or 48 VDC maximum
Switching current
2 A maximum per channel
Channel on resistance
75 m
Ω
Minimum switching capacity
100
µ
A at 100 mVDC
Contact material
Gold-clad silver alloy
Life
Note: Relays are subject to normal wear based on the number of operations.
Mechanical (at 50 cps)
108 operations minimum
Electrical (at 20 cpm)
105 at 2 A 250 VAC
2x105 at 2 A 30 VDC
Working isolation
Terminal to terminal
250 Vrms
Terminal to earth
250 Vrms
Offset voltage
3
µ
V typical
Maximum speed
20 operations per minute at maximum load
50 operations per second at low-level loads
(1 mA 1 VDC)
Set and reset time
10 msec