New DA101S safe standstill monitor from ifm electronic

ifm electronic is launching the DA101S safe standstill monitor safety relay for use in machinery safety control systems up to and including Performance Level e (PLe) according to EN ISO 13849-1 and Safety Integrity Level (SIL) Claim Limit 3 according to IEC 62061 (EN 62061).

Equipped with two volt-free safety relay outputs, the slim (25mm) housing of the DA101S also features a solid-state PNP feedback output as well as LED status indicators for the inputs and outputs.

Two overlapping input signals are compared and evaluated, ideally from inductive sensors. These take their power directly from the zero-speed relay.

As true zero motion is difficult or impossible to verify, the DA101S is in fact set by the user to detect a low frequency, and switch when the detected pulse rate drops below the preset value. This will vary according to the pick-up arrangement and machine constraints, so one of four frequencies (0.2, 0.5, 1 and 2Hz) can be selected using a hard-wired link. This link cannot be changed during operation without the unit switching into the safe state.

The DA101S from ifm electronic is designed for panel-mounting on DIN rail, and requires a 24V DC supply.

Follow the link for more information about the DA101S safe standstill monitor.

ifm electronic Ltd

Kingsway Business Park
Oldfield Road
TW12 2HD

+44 (0)20 8213 0000

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