Sensors & Transducers

Multifunction timer sets parameters remotely

October 2021 Sensors & Transducers

Machine builders now have the option to set timing and counting parameters on their application timers from a smartphone or tablet – without having to power the timer. The TMM1 NFC, a multifunction electric timer with near field communication technology and app, facilitates quick and easy programming. Engineered by Lovato Electric and distributed and locally backed by ElectroMechanica, the multifunction timer is ideal for applications that require serial programming and precise and repeatable settings.

An advantage unique to this timer is that, regardless of the timing function selected, a threshold on the number of closings of the relay output can be programmed. When that threshold is reached, the programmed function stops recording. The counter function can be used for numerous and various applications, from counting the pieces passing under a photocell to commanding the activation of a turnstile with a limited number of accesses.

The electric timer is intuitively and very quickly configured using Android or iOS smart devices that support NFC connectivity and have the Lovato TMM1 NFC app installed. This intuitive programming removes any programming challenges for users and the graphic interface used on the app shows directly on the screen of the smart device. This allows users to select a function just by clicking on a diagram – far simpler than referring to a user manual.

Some of the more common functions include on- and off-delay, intermittence (pause-work), pulse generator, step-by-step relay, protection, on-delayed opening or closing of a contact, part counter and hour counter. Additionally, timing can be paused, reset or restarted just by closing an external contact.

Lovato has taken the intelligent timing aspect a step further with the inclusion of an hour counter function. Typically used to count the operating hours of a machine and signal a request for maintenance when due. The count value is retained in memory, even without power, which enables the counter to start a count from the value stored in memory.

The timer is constructed in a single modular container and is suitable for mounting on omega 65 mm profile tracks and for screw fixing. Power and output are displayed by two signalling LEDs and a QR code connects to the website to download the technical manual. It can be powered by auxiliary voltage from 12 to 240 V AC/DC and has one output contact.


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