VTI Instruments - EX1200 Series Multiplexer Modules

VTI Instruments - EX1200 Series Multiplexer Modules
Multiplexer switch modules up to 1000VDC in a 1, 2 or 4 wire configurations

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The EX1200-2087A is a high voltage multiplexer module with built in self-monitoring capability which allows each relay to be monitored continuously and prevents unintentional routing of high voltage signals to/from the UUT. The EX1200-2087A self-monitoring mechanism continuously monitors the relays to ensure that contacts haven’t been welded shut and the unit under test isn’t exposed to unintended connection paths. When failures are detected, interrupts can be generated that immediately stop the test. It is the first relay board in its class to offer this level of assurance and protection and is ideal for safety critical applications where cost of failure can be high, for example to test power distribution systems, electrical safety testing, and insulation testing. The EX1200-2087A has been designed to switch voltages up to 1000V at power levels up to 25 VA. Each card contains eight banks of 1x2, 2 wire multiplexers.

The EX1200-3001 and EX1200-3001DS are high-density multiplexer modules designed for scanning of multiple points to a common bus, in 1-, 2-, or 4-wire configurations. Applications include cable harness testing, semiconductor and PCB testing, and applications where multiple points need to be switched to a common resource. The EX1200-3001 and EX1200-3001DS consist of eight individual (1 x 8) 2-wire multiplexers, or eight (1 x 16) 1-wire multiplexers that can be interconnected under program control (via the bussing relays) to configure larger multiplexers as required. This eliminates external wiring and helps reduce unterminated stubs. The card has internal relays that can be closed to connect directly to the EX1200 analog bus. This feature allows the card and the internal EX1200 DMM to be tightly coupled, dramatically reducing test execution times. The EX1200-3001DS option includes internal residual voltage discharge relays can be enabled to momentarily short out the measurement path when changing from one input channel to the next. This dissipates any voltage held by the wiring and instrument input capacitance. These relays protect sensitive devices, such as CMOS circuits, from residual voltages caused by previous high-voltage measurements.

The EX1200-3048 is a high-density multiplexer modules designed for scanning of multiplepoints to a common bus, in either 2- or 4-wire configurations. Applications include cable harness testing, temperature/voltage monitoring, PCB testing, and those in which multiple points need to be switched to a common resource. Each path allows for hot switching of up to 300 V and 2 A (60 W max), and two dedicated channels have the capability to directly measure current up to 3 A using the integrated EX1200 DMM. The EX1200-3048 consists of dual (1x24) 2-wire multiplexer banks. Each bank can be interconnected within a module under program control (via bussing relays) to form a 1 x 48 multiplexer. The EX1200 analog bus can be used to configure larger multiplexers, which eliminates external wiring and helps reduce unterminated stub effects. Up to 288 two-wire (or 144 four-wire) channels can be accommodated in a single EX1200 full rack mainframe for maximum density or mixed and matched with other EX1200 plug-ins for flexibility. An optional terminal block provides screw termination points for external field wiring. This terminal block also includes cold junction compensation reference for more precise temperature measurements.

The EX1200-3048S is a high-density FET multiplexer module designed for scanning of multiple points to a common bus in either 2- or 4-wire configurations. The solid-state design delivers maximum switching speed and near infinite life. Up to 288 two-wire (or 144 four-wire) channels can be accommodated in a single EX1200 full rack mainframe for maximum density or mixed and matched with other EX1200 plug-ins for flexibility. Typical applications include temperature and voltage data acquisition and datalogging at up to 1000 scans per second. The EX1200-3048S consists of dual (1x24) 2-wire multiplexer banks. Each bank can be interconnected within a module under program control (via bussing relays) and across modules via the EX1200 analog bus to configure larger multiplexers as required. This eliminates external wiring and helps reduce unterminated stubs. An optional terminal block provides screw termination points for external field wiring. This terminal block also includes cold junction compensation reference for more precise temperature measurements.

The EX1200-3072 high-density multiplexer module is designed for scanning of multiple points to a common bus in either 2- or 4-wire configurations. Applications include cable harness testing, semiconductor and PCB testing, and those in which multiple points need to be switched to a common resource. The EX1200-3072 consists of dual (1x36) multiplexer banks. Each bank can be interconnected within a module under program control (via bussing relays) to form a (1 x 72) 2-wire mux. The EX1200 analog bus can be used to configure larger multiplexers as required to eliminate external wiring and helps reduce unterminated stubs effects. Up to 432 two-wire (or 216 four-wire) channels can be accommodated in a single EX1200 full rack mainframe. An optional terminal block provides screw termination points for external field wiring. This terminal block also includes cold junction compensation reference for more precise temperature measurements.


The EX1200-3164 high-density multiplexer module is designed to provide a flexible switching multiplexing architecture with 16 individual 1x4 2-wire multiplexers. Up to 96 1 x 4 two-wire channels can be accommodated in a single EX1200 full rack mainframe. Applications include cable harness testing, semiconductor and PCB testing, and those in which multiple points need to be switched to a common resource. All relays also have individual control, and each path allows for hot switching of up to 300 V and 2 A (60 W DC max). Each bank can be interconnected within a module under program control (via bussing relays) to form larger 2-wire muxes, up to a maximum of 1x64. The EX1200 analog bus can be used to configure larger multiplexers across modules as required to eliminate external wiring and helps reduce unterminated stubs effects. The analog bus can also be routed directly to the optional EX1200 series 6.5 digit DMM for direct measurements across the backplane further reduce external wiring. An optional terminal block provides screw termination points for external field wiring. This terminal block also includes cold junction compensation reference for more precise temperature measurements.

The EX1200-3824 is a high speed multiplexer designed to provide flexible switching multiplexing architecture with 8 banks of 1 x 24 one-wire multiplexers. Up to 48 1 x 24 one-wire channels can be accommodated in a 1U EX1200 full rack mainframe for maximum density, or mixed and matched with other EX1200 plug-ins for flexibility. The solid-state design delivers extremely fast switching speed and near infinite life. The EX1200-3824 may be used in applications in which its inputs are connected to DUT capable of producing signals that approach 100 V, with its commons being connected to high-speed measurement devices. When measurement devices are limited to 10 V input ranges, the EX1200-3824 offers the option of an on-board 10:1 attenuator to eliminate the need for external circuitry while ensuring maximum signal integrity. The EX1200-3824 can be controlled programmatically using IviSwtch-compliant calls. Both path level programming and individual relay control are available to simplify integration into test systems. On-board configuration relays are available to connect the individual banks together, providing the system designer with the flexbility to create test programs utilizing discrete 1 x 24s or configurations as large as 1 x 192 without external wiring.

More Product Information

VTI Instruments - EX1200 Series Power Switching Modules
Power switching up to 16A and high voltage mux cards

VTI Instruments - EX1200 Series Switch Matrix Modules
High density switch matrix models in 1 wire and 2 wire configurations

VTI Instruments - EX1200 Series RF/Microwave Switching Modules
RF/Coax switching modules up to 26Ghz for high frequency and communication switching needs

VTI Instruments - EX1200 Series General Purpose Switching Modules
Switching modules in SPST and SPDT configuration up to 80 channels and 5A of switching capability

VTI Instruments - EX1200 Series Sensor Simulator (EX1200-7008)
The EX1200-7008 is a Multichannel Glitch-free Universal RTD Simulator with eight channels and universal, 2-/4-wire RTD simulator

VTI Instruments - EX1200 Series Counter/Timer (EX1200-1538)
The EX1200-1538 is a Multifunction I/O Card with Enhanced Electronic Counter. It has 8 frequency counter channels, 16 isolated digital I/O channels, 2 isolated DAC channels in a single card.

VTI Instruments - EX1200 Series Digital I/O (EX1200-7500)
  • The EX1200-7500 is a 64 -Channel, 2 MHz, Digital I/O with Eight ports of 8 I/O bits each

VTI Instruments - EX1200 Series Comparator (EX1200-7416)
The EX1200-7416 is a 16 Channel Comparator/Event Detector with up to 96 differential channels per full rack mainframe

VTI Instruments - EX1200 Series DMM
The EX1200-2165 and EX1200-2365 are Full Featured, Tightly Integrated 6.5 Digit DMM for 1U or 3U EX1200 Mainframes

VTI Instruments

AMETEK's VTI Instruments products and systems are used to monitor and record data that characterizes the physical integrity and performance of aircraft, engines, and other large structures, as well as automate the functional testing of complex electronic systems. The VTI Instruments brand is recognized as an industry leader with a reputation of providing reliable data, first time, every time. A sustained focus on innovation and technology enables customers to optimize their capital investment through product longevity, while ensuring unmatched measurement integrity and data reliability.

VTI has customers in over 30 different countries and in a wide variety of industries including aerospace, defense, power generation, automotive and consumer electronics. The Company’s products are used in applications ranging from wing test on Boeing 787 to production test for cell phones.

Contact Details

AMETEK Programmable Power, Inc. − San Diego

9250 Brown Deer Road

San Diego, CA 92121

Phone: 858-450-0085

Fax: 858-458-0267

Contact form or Email: sales.ppd@ametek.com for general inquiries

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