High-Density Multiconfiguration Multiplexer/Matrix
NI PXI-2530, NI SCXI
™
-1130
• 14 multiplexer/matrix configurations
• Scanning speed up to 900 operations/s
• Maximum switch capacity
•
Up to 60 VDC, 30 V
rms
•
Up to 400 mA
• 32,000-step scan list for deterministic
scanning
• Fully software programmable
• Tight synchronization with
instruments through hardware triggers
NEW
Operating Systems
• Windows 2000/NT/XP
Recommended Software
• LabVIEW
™
• LabWindows
™
/CVI
™
• Measurement Studio
• NI Switch Executive
Other Compatible Software
• Visual Basic
• C/C++
NI PXI-2530
• 128x1 (1-wire), 64x1 (2-wire), 32x1
(4-wire), or 8 banks of 16x1 (1-wire)
• 4x32 (1-wire), 8x16 (1-wire), 4x16
(2-wire) matrix configurations
Driver Software (included)
• NI-SWITCH
NI SCXI-1130
• 256x1 (1-wire), 128x1 (2-wire), 64x1
(4-wire), or 16 banks of 16x1 (1-wire)
• 4x64 (1-wire), 8x32 (1-wire), 4x32
(2-wire) matrix configurations
Overview
The National Instruments PXI-2530 and SCXI-1130 are high-density,
multiconfiguration multiplexer/matrix switches. With 14 possible
configurations and multiple expansion options, these modules offer
an excellent solution for large or complex-channel-count systems.
The NI PXI-2530 and NI SCXI-1130 incorporate reed relays into the
PXI and SCXI platforms for long-life functionality. At up to 10 times
the speed of traditional armature relays, the PXI-2530 and SCXI-1130
are an ideal front-end for high-speed measurement devices, such as the
NI PXI-4070 6
1
⁄
2
-digit FlexDMM.
Multiplexer
You can configure the PXI-2530 and SCXI-1130 in several different
multiplexer configurations. The 1 and 2-wire modes are designed for
measuring/sourcing voltage or 2-wire resistance measurements.
For improved accuracy of resistance measurements, configure the
PXI-2530 and SCXI-1130 in 4-wire mode.
Matrix
Configured as a matrix, the PXI-2530 or SCXI-1130 becomes a
general-purpose signal router. With the TB-2631, the PXI-2530
forms a 4x32 matrix in 1-wire mode and a 4x16 matrix in 2-wire
mode. The TB-2632 is also available to configure the PXI-2530 into
an 8x16 1-wire matrix. Using the SCXI-1378 terminal block, the
SCXI-1130 can form a 4x64 1-wire or a 4x32 2-wire configuration
matrix. With the SCXI-1379, an 8x32 1-wire matrix is available.
Through software, you can control the matrix to connect any row(s)
to any column(s).
You can connect the rows and columns of multiple modules to
expand an NI matrix system and meet the needs of high-channel-
count systems. With the SCXI-1130, you can use expansion cables
and plugs to externally connect the rows and columns of the matrix
modules. For example, to create a 4x128 matrix, connect two
SCXI-1378 terminal blocks together with a matrix expansion cable to
double the number of columns.
Modes of Operation
The PXI-2530 and SCXI-1130 are completely software configurable
to operate as a multiplexer, matrix, or independent switch bank.
For matrix and multiplexer hardware options, see Table 1.
Accessory
Type
TB-2630 Multiplexer
Configuration
128x1 (1-wire), 64x1 (2-wire),
32x1 (4-wire) or 8 banks
of 16x1 (1-wire)
TB-2631
Matrix
4x32 (1-wire) and 4x16 (2-wire)
TB-2632
Matrix
8x16 (1-wire)
SCXI-1377 Multiplexer 256x1 (1-wire),128x1 (2-wire),
64x1 (4-wire) or 16 banks
of 16x1 (1-wire)
SCXI-1378
Matrix
4x64 (1-wire) and 4x32 (2-wire)
SCXI-1379
Matrix
8x32 (1-wire)
Connectivity
Ribbon cable
headers
Screw terminals
Screw terminals
Spring terminals
NI PXI-2530
NI SCXI-1130
Screw terminals
Screw terminals
Table 1. Matrix and Multiplexer Hardware Options
High-Density Multiconfiguration Multiplexer/Matrix
Independent
When the PXI-2530 and SCXI-1130 are configured with software as
independent switch banks, you can control the state of any relay on
the module. Use this mode for custom applications, where the banks
of 16x1 multiplexers can be combined to form other multiplexer
sizes or operate independently.
Signal Connections
Terminal blocks provide screw terminals, spring terminals, or ribbon
cable terminals for easy connections. The terminal blocks for the
SCXI-1130 are twice as deep as traditional SCXI terminal blocks,
such as the SCXI-1300 and SCXI-1303.
Software
Automatic Scanning
The PXI-2530 and SCXI-1130 are able to maximize throughput in
automated test applications by the use of scanning. Scanning
improves throughput by downloading a list of up to 32,000
connections to the switch modules and cycling through the list using
an event (trigger) without any interruption from the host processor.
Scanning is most efficiently accomplished by mating the PXI-2530 or
SCXI-1130 with an instrument, such as the NI PXI-4070 FlexDMM,
that issues a trigger after each measurement.
All National Instruments PXI and SCXI switch modules are shipped
with NI-SWITCH, an IVI-compliant driver offering complete
functionality for all switch modules. For additional assistance in
configuring, programming, and managing higher-channel-count
switching systems, NI Switch Executive software offers an easy-to-
use, intelligent switch management and visual routing environment.
Ordering Information
NI PXI-2530 ..................................................................778660-01
NI SCXI-1130 ................................................................778661-01
Includes NI-SWITCH driver software.
SCXI Module Control
Every SCXI switch system requires an external switch controller.
The switch controller uses the digital communications bus on the
SCXI chassis to control the switch circuitry. An NI 4021 Switch
Controller, available for both PCI and PXI, is the recommended
SCXI switch controller.
Accessories
NI TB-2630....................................................................778733-01
NI TB-2631....................................................................778734-01
NI TB-2632....................................................................778735-01
NI SCXI-1377 ................................................................778716-01
NI SCXI-1378 ................................................................778731-01
NI SCXI-1379 ................................................................778732-01
NI PCI-4021 ..................................................................778277-01
NI PXI-4021 ..................................................................778278-01
BUY ONLINE!
Visit
ni.com/info
and enter pxi2530 and/or scxi1130.
2
National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com
High-Density Multiconfiguration Multiplexer/Matrix
Specifications
PXI-2530
Multiplexer sizes ....................................... 128x1 (1-wire)
64x1 (2-wire)
32x1 (4-wire)
16x1 (1-wire) (8)
Matrix sizes ............................................... 4x32 (1-wire)
8x16 (1-wire)
4x16 (2-wire)
SCXI-1130
Multiplexer sizes ....................................... 256x1 (1-wire)
128x1 (2-wire)
64x1 (4-wire)
16x1 (1-wire) (16)
Matrix sizes ............................................... 4x64 (1-wire)
8x32 (1-wire)
4x32 (2-wire)
Physical
Relay types .......................................................
Contact material...............................................
I/O connectors ..................................................
Dimensions
PXI-2530.....................................................
SCXI-1130 ..................................................
reed
rhodium
176-pin docking station plug
2 x 10 x 16 cm (.8 x 3.9 x 6.4 in.)
3.0 x 17.2 x 20.3 cm (1.2 x 6.9 x 8.0 in.)
Environment
Operating temperature.....................................
Storage temperature ........................................
Relative humidity .............................................
Pollution degree ...............................................
Indoor use only
0 to 55 ˚C
-40 to 70 ˚C
5 to 85% noncondensing
2
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
Input Characteristics
Maximum switching voltage............................ 60 VDC, 30 V
rms
, CAT I (channel-to-channel
and channel-to-ground)
Maximum current ............................................. 0.4 A (per terminal or internal path)
Maximum switching power ............................. 10 W (per channel, resistive)
Typical DC path resistance
(channel-to-common)
Initial ................................................... <2
Ω
End of life............................................
≥3 Ω
Dynamic Characteristics
Maximum scan rate ......................................... 900 channels/s
Expected relay life
Mechanical ................................................ 10
9
operations
Electrical .................................................... 10
8
operations (10 V, 100 mA, resistive)
National Instruments • Tel: (800) 433-3488 • Fax: (512) 683-9300 • info@ni.com • ni.com
3
Global Services and Support
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system
integration
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(800) 433-3488
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© 2003 National Instruments Corporation. All rights reserved. Product and company names listed are trademarks or trade names of their respective companies.
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