PXI Express digital I/O modules expand ATE platform

11th May 2017

AMETEK Inc

Mick Elliott

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AMETEK VTI Instruments has introduced the EMX-75XX Series of PXI Express (PXIe) Digital Input/Output (I/O) Modules, the latest addition to its Core Automated Test Equipment (Core ATE) PXIe functional test solutions. The EMX-75XX Series is a family of high-performance PXIe modules that support multiple I/O configurations and logic levels.

Dedicated input or output modules are available for fixed high-channel-count applications. Other units provide ultimate flexibility with eight 8-bit ports (64 channels) that can be configured as either input or output under programmatic control.

Modules are available with internal pull-up resistors that greatly simplify external cabling. Utilizing built-in clamping diodes, the EMX-7510 has the ability to sink up to 300 mA, making it ideal for driving and sensing external devices such as relays.

Multiple logic levels are supported including TTL and LV TTL. Internally supplied voltage levels of 3.3 V, 5 V, 12 V and 24 V as well as user-defined voltage levels from 2 V to 60 V are also supported. In addition, 1000 V optical isolation is available for protection against damaging transient voltage levels.

The real-time embedded virtual soft front panel simplifies setup and software debug operations by providing visual indication of input/output states without the use of external software.

As part of VTI’s Core ATE suite of functional test cards, the EMX-75XX Series easily integrates with other modules to address a wide variety of automatic test and functional test applications.

The EMX-7510 is built to deliver a range of selectable voltages at 300 mA on each channel, including a voltage range from 2 V to 60 V (along with any values in that range), using built-in clamping diodes. With eight channels at eight bits each, it functions as both a source and a sink card. The EMX-7511 and EMX-7512 are dedicated TTL or LV TTL cards, respectively, with 64 channels available.

The EMX-7513 offers 32 isolated channels in and 32 isolated channels out. It functions from 2.5 V to 60 V and 50 mA sink/source. It is potential-free and useful in applications where optical isolation and integrity are required.

The EMX-7514 and EMX-7515 are dedicated 64-channel output and input cards, respectively. They are ideal for situations with high channel counts that are not bidirectional. The EMX-7514 offers 50 mA sink/source either AC or DC at 60 V. It is potential-free and offers optical isolation.

The EMX-7515 provides a range of 2.5V to 60V and optical isolation for dedicated input applications.