- May 10, 2011
- Pilz Automation Safety L.P.
May 10, 2011 - Pilz Automation introduces PNOZ s30, a compact speed monitor, which is for monitoring Safe Standstill and Speed in a wide range of machinery applications. The PNOZ s30 speed monitor is suitable for a wide range of applications, from small packaging machines through to large rotating machinery such as used in paper mills and web-based printing machines. In accordance with the new Machinery Directive, when a machine drive is brought to a standstill, the operating status must be safely monitored and maintained. Part of Pilz Automation Technology’s PNOZsigma range, the PNOZ s30 can be connected to many motor feedback systems which use incremental encoders or proximity sensors to provide a speed signal. Reduce commissioning and set up times 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, whilst integrated LCDs show the state of the output relay. In terms of functionality, the PNOZ s30 offers a variety 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, might 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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