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Pilz Automation Technology has launched the PNOZ S30 speed monitor, a compact device that is designed for monitoring safe standstill and speed in a range of machinery applications.

The company now offers a safety relay that monitors the safe standstill, overspeed and direction of rotation of a variety of machines.

The PNOZ S30 speed monitor is suitable for a range of applications, from small packaging machines through to large rotating machinery such as that used in paper mills and web-based printing machines.

In accordance with the Machinery Directive, when a machine drive is brought to a standstill, the operating status must be safely monitored and maintained.

The PNOZ S30 is part of Pilz Automation Technology’s PNOZsigma range.

It can be connected to many motor feedback systems that use incremental encoders or proximity sensors to provide a speed signal.

A rotary knob with key function (push and turn) and an integrated display enable users to enter their own specific data via an intuitive menu structure.

These parameters are stored on a chip card.

The permanent display informs users about the current speed during machine operation, while integrated LCDs show the state of the output relay.

Alex Bryce, sales manager at Pilz Automation Technology, said that in terms of the UK market, the PNOZ S30 is suitable for industries that operate heavy rotating machinery such as the paper, printing and packaging sectors.

Examples include monitoring the overspeed or standstill of large paper reels or web-based printing machines.

The device is also finding applications in robotics; woodworking machinery; steel processing mills; dovetailed interlocking processes such as buffer zones and conveyor systems; kneading, mixing and filling machines in food and beverage processing environments; and in hygiene-critical processes, which would be contaminated by any reverse movement or a change of direction of rotation.

The PNOZ S30 offers a range of safety functions, including standstill monitoring combined with safe position monitoring at standstill.

For example, this might include the monitoring of a position controller or suspended axis.

In addition, the device can be used for the safe monitoring of maximum speed in combination with the safe detection of the direction of rotation.

The PNOZ S30 can also monitor process-related speeds or movements, combined with the safe direction of rotation.

Any limit values defined by the user can be given a warning threshold.

The advantage here is that the user can recognise at an early stage whether an overspeed, for example, could lead to a machine or process shutdown.

Resolving an overspeed problem early minimises production downtime and ensures the safety of operators.

The PNOZ S30 includes selectable inputs for incremental encoders and proximity sensors, separate programmable safety-related relay output contacts, auxiliary semiconductor outputs, and restart and safe off position feedback circuit inputs.

The device holds all the necessary approvals and Pilz can provide all the relevant, safety-related characteristic data for the PNOZ S30.

Performance Level (PL) in accordance with BS EN ISO 13849-1: PL e; Safety Integrity Level (SIL) CL claim limit in accordance with BS EN 62061: SIL 3; and in accordance with BS EN 954-1: Category 3.

Speed monitor targets heavy rotating machinery

Pilz Automation Technology has launched the PNOZ S30 speed monitor, a compact device that is designed for monitoring safe standstill and speed in a range of machinery applications.

The company now offers a safety relay that monitors the safe standstill, overspeed and direction of rotation of a variety of machines.

The PNOZ S30 speed monitor is suitable for a range of applications, from small packaging machines through to large rotating machinery such as that used in paper mills and web-based printing machines.

In accordance with the Machinery Directive, when a machine drive is brought to a standstill, the operating status must be safely monitored and maintained.

The PNOZ S30 is part of Pilz Automation Technology’s PNOZsigma range.

It can be connected to many motor feedback systems that use incremental encoders or proximity sensors to provide a speed signal.

A rotary knob with key function (push and turn) and an integrated display enable users to enter their own specific data via an intuitive menu structure.

These parameters are stored on a chip card.

The permanent display informs users about the current speed during machine operation, while integrated LCDs show the state of the output relay.

Alex Bryce, sales manager at Pilz Automation Technology, said that in terms of the UK market, the PNOZ S30 is suitable for industries that operate heavy rotating machinery such as the paper, printing and packaging sectors.

Examples include monitoring the overspeed or standstill of large paper reels or web-based printing machines.

The device is also finding applications in robotics; woodworking machinery; steel processing mills; dovetailed interlocking processes such as buffer zones and conveyor systems; kneading, mixing and filling machines in food and beverage processing environments; and in hygiene-critical processes, which would be contaminated by any reverse movement or a change of direction of rotation.

The PNOZ S30 offers a range of safety functions, including standstill monitoring combined with safe position monitoring at standstill.

For example, this might include the monitoring of a position controller or suspended axis.

In addition, the device can be used for the safe monitoring of maximum speed in combination with the safe detection of the direction of rotation.

The PNOZ S30 can also monitor process-related speeds or movements, combined with the safe direction of rotation.

Any limit values defined by the user can be given a warning threshold.

The advantage here is that the user can recognise at an early stage whether an overspeed, for example, could lead to a machine or process shutdown.

Resolving an overspeed problem early minimises production downtime and ensures the safety of operators.

The PNOZ S30 includes selectable inputs for incremental encoders and proximity sensors, separate programmable safety-related relay output contacts, auxiliary semiconductor outputs, and restart and safe off position feedback circuit inputs.

The device holds all the necessary approvals and Pilz can provide all the relevant, safety-related characteristic data for the PNOZ S30.

Performance Level (PL) in accordance with BS EN ISO 13849-1: PL e; Safety Integrity Level (SIL) CL claim limit in accordance with BS EN 62061: SIL 3; and in accordance with BS EN 954-1: Category 3.

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