LVDT gauging system for industrial automation and machine building applications

14 December, 2022

The new induSENSOR DTD-xG8 series is a complete preconfigured and calibrated inductive measuring system that consists of a DTA gauge (inductive LVDT probe) and controller integrated into the sensor cable. The cable is suitable for use in drag chains. The factory-calibrated system is fully linearised, enabling fast, easy plug-and-play installation.

LVDT measurement method

The induSENSOR DTD inductive sensor system is based on the proven LVDT measurement method. The fact that the sensor and controller are permanently connected to each other allows the system to be pre-adjusted and calibrated at the factory so that ‘out of the box’ the system can be installed and used. The system offers extreme precision and delivers high signal stability and resolutions down to the sub-micrometer range. Due to its high temperature stability, resistance to shock and vibration, as well as insensitivity to dirt and dust, the induSENSOR DTD is suitable for use in harsh industrial environments.

The system has an adjustable current and voltage output, as well as an RS485 interface, which are output via a standard industrial connector (5-pin, M12). Parameter settings are carried out using freely downloadable software and an optional USB cable. Modern fieldbuses such as Ethernet, Profinet and EtherCAT are supported via optional interface modules. The sensors are available in four measuring ranges of ±1 mm, ±3 mm, ±5 mm and ±10 mm.

Glenn Wedgbrow, business development manager at Micro-Epsilon UK, comments: “The induSENSOR DTD system has an excellent priceperformance ratio and in the case of high-volume applications, unit pricing is particularly attractive. We can also quickly tailor the system to suit individual customer requirements.”

Range of miniature controllers

Micro-Epsilon offers a range of miniature controllers for inductive displacement sensors. In addition to the new DTD system and the induSENSOR MSC7401 single channel miniature controller, there is also the induSENSOR MSC7602 and induSENSOR MSC7802 controllers, which both offer two integrated measurement channels.

In particular, the induSENSOR MSC7602 twochannel controller is for high volume OEM machine build and automation tasks. Up to 62 induSENSOR MSC7602 controllers can be linked, making the controller ideal for multi-channel applications and synchronous operation with up to 124 measurement channels possible. The DIN rail mount and bus connector minimise wiring effort.

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