Home > Multifunctional PNOZsigma range of safety relays available from Pilz Australia

Multifunctional PNOZsigma range of safety relays available from Pilz Australia

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article image PNOZsigma safety relay

Pilz Australia  will publish an easy-to-use checklist to help companies migrate from PNOZ classic safety relays to new slimline PNOZsigma models. Pilz Australia have developed the PNOZ X range, the PNOZelog range and the slimline and multifunctional PNOZsigma range.

To help companies that have machines with PNOZ 1 and PNOZ V Classic relays installed, Pilz Australia have introduced new PNOZ 1 and PNOZ V relays in 90mm wide Pilz X range housings. The terminal positions, designations and the switching capacities are identical to those of the original safety relays, making them straightforward to exchange one for the other.

For customers using other models of PNOZ Classic relays, Pilz Australia have published a document to help customers migrate to PNOZsigma relays. The first section is a checklist of PNOZclassic relays and their supply voltages to enable users to identify which PNOZsigma relays to be used as replacements. If an additional PNOZsigma expansion module is required to deliver the same functionality as the Classic relays, the expansion module options are also identified. PNOZsigma relays will simplify ordering and stockholding for customers.

The bulk of the publication is devoted to application examples. These show how the Sigma relays need to be connected in order to replicate the functions performed by the Classic relays. Terminal designations are shown, so users can easily see how to modify their wiring schematics and, in the event of replacing a relay in an existing control system and rewiring the relay itself. If relays are swapped on a 'like for like' basis during machine repairs, installers should ensure that they comply with the sections of PUWER (Provision and Use of Work Equipment Regulations) relating to control systems. The users must document any physical changes to control systems.

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