Input Characteristics

Maximum switching voltage............................ 150 V, CAT I

Maximum switching current ............................ 0.5 A (per channel)

Maximum carry current.................................... 1 A (per channel)

Simultaneous channels at maximum current

PXI-2593 ................................................... 2, maximum

SCXI-1193 .................................................. 4, maximum

DC path resistance

Initial ......................................................... <1.0 Ω

End of life .................................................. ≥2.0 Ω

Dynamic Characteristics

Maximum scan rate ......................................... 100 operations/s

Expected relay life:

Physical Characteristics

Relay type......................................................... Electromechanical, latching

Relay contact material ..................................... Silver palladium and gold

Dimensions

PXI-2593..................................................... 10 by 16 by 4 cm (3.9 by 6.3 by 1.6 in.)

SCXI-1193 .................................................. 3.0 by 17.3 by 19.6 cm (1.2 by 6.7 by 7.6 in.)

I/O connectors

PXI-2593..................................................... 18 MCX jacks

SCXI-1193 .................................................. 36 MCX jacks

Trigger connectors............................................ 2 SMB jacks

Environment

Operating temperature..................................... 0 to 50 °C

Storage temperature ........................................ - 20 to 70 °C

Relative humidity ............................................. 5 to 85% noncondensing

Pollution degree ............................................... 2

Approved altitudes .......................................... Up to 2,000 m

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

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

SCXI-1190, PXI-2590

Input Characteristics

Number of channels per bank.......................... 4

Number of banks

SCXI-1190 .................................................. 4

PXI-2590..................................................... 1

Input voltage

Channel-to-earth........................................ 24 VDC

Maximum switching voltage

DC ............................................................ 24 VDC

Maximum switching capacity per channel

DC ............................................................ 1 A at 24 VDC

Maximum switching power per channel ......... 24 W

Contact resistance (initial) ............................... 100 mΩ maximum

Contact material............................................... Gold-clad silver

RF Performance Characteristics

Insertion loss

100 MHz .................................................... <0.4 dB

500 MHz .................................................... <0.9 dB

1.3 GHz ...................................................... <1.5 dB

2 GHz ......................................................... <3 dB

VSWR

100 MHz .................................................... <1.15

500 MHz ................................................... <1.35

1.3 GHz ...................................................... <1.5

2 GHz ......................................................... <2.5

Isolation

500 MHz .................................................... >60 dB

1.3 GHz ...................................................... >50 dB

2 GHz ......................................................... >30 dB

Rise time .......................................................... <300 ps

Signal delay...................................................... <3 ns

Maximum RF carry power at 900 MHz ............ 10 W

Dynamic Characteristics

Relay operate time (at 20 °C)

Typical........................................................ 15 ms

Relay release time (at 20 °C)

Typical........................................................ 15 ms

Expected life

Caution: Exceeding the maximum switching capability decreases expected life.

Power Requirement

+5 VDC ............................................................ 600 mA maximum (all relays closed)

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

Environment

Operating temperature..................................... 0 to 50 °C

Storage temperature ........................................ - 20 to 70 °C

Relative humidity ............................................. 5 to 85% noncondensing

Pollution degree ............................................... 2

Approved altitudes .......................................... Up to 2,000 m

Switch Specifications

0

0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2

100

200

300

400

500

600

Frequency (MHz)

700

16x1

8x1

32x1

800

900

1000