Switch Specifications
Specifications
Specifications
(continued)
2
1.9
1.8
1.7
1.6
VSWR
1.5
8x1
1.4
1.3
1.2
1.1
0
0
100
200
300
400
500
600
Frequency (MHz)
700
800
900
1000
16x1
32x1
SCXI-1190, PXI-2590
Input Characteristics
Number of channels per bank..........................
Number of banks
SCXI-1190 ..................................................
PXI-2590.....................................................
Input voltage
Channel-to-earth........................................
Maximum switching voltage
AC ............................................................
DC ............................................................
Maximum switching capacity per channel
AC ............................................................
DC ............................................................
Maximum switching power per channel .........
Contact resistance (initial) ...............................
Contact material...............................................
4
4
1
24 VDC
24 V
rms
24 VDC
1 A
rms
at 24 V
rms
1 A at 24 VDC
24 W
100 mΩ maximum
Gold-clad silver
Input Characteristics
Maximum switching voltage............................
Maximum switching current ............................
Maximum carry current....................................
Simultaneous channels at maximum current
PXI-2593 ...................................................
SCXI-1193 ..................................................
DC path resistance
Initial .........................................................
End of life ..................................................
150 V, CAT I
0.5 A (per channel)
1 A (per channel)
2, maximum
4, maximum
<1.0
Ω
≥2.0 Ω
RF Performance Characteristics
Characteristic impedance (Z
0
).........................
Insertion loss
100 MHz ....................................................
500 MHz ....................................................
1.3 GHz ......................................................
2 GHz .........................................................
VSWR
100 MHz ....................................................
500 MHz ...................................................
1.3 GHz ......................................................
2 GHz .........................................................
Isolation
500 MHz ....................................................
1.3 GHz ......................................................
2 GHz .........................................................
Rise time ..........................................................
Signal delay......................................................
Maximum RF carry power at 900 MHz............
50
Ω
<0.4 dB
<0.9 dB
<1.5 dB
<3 dB
<1.15
<1.35
<1.5
<2.5
>60 dB
>50 dB
>30 dB
<300 ps
<3 ns
10 W
Dynamic Characteristics
Maximum scan rate ......................................... 100 operations/s
Expected relay life:
Mechanical ............................................... 5x10
7
operations
Electrical .................................................... 3x10
5
operations (30 V, 0.3 ADC resistive)
Physical Characteristics
Relay type.........................................................
Relay contact material .....................................
Dimensions
PXI-2593.....................................................
SCXI-1193 ..................................................
I/O connectors
PXI-2593.....................................................
SCXI-1193 ..................................................
Trigger connectors............................................
Electromechanical, latching
Silver palladium and gold
10 by 16 by 4 cm (3.9 by 6.3 by 1.6 in.)
3.0 by 17.3 by 19.6 cm (1.2 by 6.7 by 7.6 in.)
18 MCX jacks
36 MCX jacks
2 SMB jacks
Dynamic Characteristics
Relay operate time (at 20 °C)
Typical........................................................ 15 ms
Relay release time (at 20 °C)
Typical........................................................ 15 ms
Expected life
Mechanical (no load)................................. 5x10
6
operations
Electrical at maximum switching capacity 10
5
operations
Caution: Exceeding the maximum switching capability decreases expected life.
Environment
Operating temperature.....................................
Storage temperature ........................................
Relative humidity .............................................
Pollution degree ...............................................
Approved altitudes ..........................................
0 to 50 °C
- 20 to 70 °C
5 to 85% noncondensing
2
Up to 2,000 m
Power Requirement
+5 VDC ............................................................ 600 mA maximum (all relays closed)
Safety
This product is designed to meet the requirements of the following standards of safety for electrical
equipment for measurement, control and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 3111-1, UL 61010B-1
• CAN/CSA C22.2 No. 1010.1
Physical
Dimensions
SCXI-1190 .................................................. 17.3 by 19.6 by 3.0 cm (6.81 by 7.70 by 1.19 in.)
PXI-2590..................................................... 10 by 16 by 4 cm (3.9 by 6.3 by 1.6 in.)
I/O connectors .................................................. 5 SMB female per bank
Switches
CE Compliance
This product meets the essential requirements of applicable European
Directives, as amended for CE Marking, as follows:
Low-voltage Directive (safety) .................. 73/23/EEC
Electromagnetic Compatibility
Directive (EMC).......................................... 89/336/EEC
Environment
Operating temperature.....................................
Storage temperature ........................................
Relative humidity .............................................
Pollution degree ...............................................
Approved altitudes ..........................................
0 to 50 °C
- 20 to 70 °C
5 to 85% noncondensing
2
Up to 2,000 m
504
National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com
NI [ NATIONAL INSTRUMENTS CORPORATION ]
