Wieland Device Provides Sensorless Monitoring of Single-Phase, Three-Phase or DC Motors

September 28, 2016

Wieland Electric Inc. has expanded its product line of machine safety devices with a sensorless standstill monitor compatible with all types of motors. The DIN rail mounted SVM4001K Series standstill monitor uses electromagnetic feedback, or back EMF, technology to provide machine safety engineers with a sensorless method of detecting motion in virtually all types of machinery applications, including high-speed rollers, slitters and winding equipment.

The SVM4001K Series standstill monitor is rated for 690V and frequencies up to 5kHz. It is compatible with single-phase and three-phase AC motors, DC motors, and variable frequency drive and servo-driven motors. The monitor module features selectable voltage thresholds and programmable time delays, enabling machine safety engineers to customize the device to their particular application. The module can be configured to monitor the motor’s rotation and control solenoid-actuated interlocks on mechanical safety systems.

“The SVM4001K Series is ideal for new or retrofit safety applications on equipment and does not require the use of external sensors or pulsed inputs to monitor the motion,” says Nick Styler, Safety Specialist at Wieland Electric. “Sensorless standstill monitors are ideal for many machine safety applications, delivering significant cost and reliability advantages. They provide a means for sensorless, automatic monitoring of almost all types of motor technologies without the need for mechanically modifying the machinery itself, resulting in simplified wiring, lower installed cost, and reduced machine downtime.”

The Wieland SVM4001K Series standstill monitors are cULus rated for use in both Canada and the U.S., and can be used in safety-oriented applications up to PL e / Category 4 according to EN ISO 13849-1 and SIL 3 according to EN 62061.

Housed in a narrow 22.5mm DIN rail mounted module, the SVM4001K series standstill monitors are available with either screw clamp or cage clamp terminals and feature a four-LED status display.

Find out more: www.wieland-safety.com/SVM4001.

Related Articles


Latest Articles


Changing Scene

  • Mac’s II Agencies Announce Addition to Project & Specification Sales Team

    Mac’s II Agencies Announce Addition to Project & Specification Sales Team

    July 10, 2025 Mac’s II Agencies is pleased to announce that Drazen Jerkovic will be joining their Project & Specification Sales team in the Lighting Division later this fall. With over 25 years of experience in the lighting and electrical industry, Drazen is a highly respected consultant known for his technical knowledge and deep understanding of project delivery…. Read More…

  • Intralec Named New Sales Agency Partner for IDEAL Electrical in Central & Southwestern Ontario

    Intralec Named New Sales Agency Partner for IDEAL Electrical in Central & Southwestern Ontario

    July 7, 2025 Intralec Electrical Products is proud to announce our new partnership with IDEAL Electrical as their sales agency for the Central & Southwestern Ontario regions. As a Canadian manufacturer with over 60 years of experience producing quality products—many of which, like the Can-Twist wire connector and Yellow 77 lubricant, are made in Ajax,… Read More…

  • City of Winnipeg Continues to Improve Online Permits System

    City of Winnipeg Continues to Improve Online Permits System

    July 4, 2025 The City of Winnipeg has launched an improved Permits Online web portal. This upgrade aims to make the permit process more convenient for customers. Permits Online is a one-stop shop to manage the permit process. Now, the web portal is easier to use because customers can navigate it using their mobile device. The portal… Read More…

  • Schneider Electric Launches Chapter 3 of Sustainability School

    Schneider Electric Launches Chapter 3 of Sustainability School

    July 4, 2025 Schneider Electric, the leader in the digital transformation of energy management and automation, has launched Chapter 3 of its online Sustainability School, a free training program designed to empower its channel ecosystem partners to become leaders in sustainability. This chapter will focus on teaching businesses how to decarbonize and unlock the competitive… Read More…