Home > PNOZsigma safety relays available from Pilz Australia

PNOZsigma safety relays available from Pilz Australia

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article image PNOZsigma safety relay

The PNOZsigma units/safety relays, available from Pilz Australia , save space and wiring costs, and reduce stockholdings.

Pilz Australia have already published a PNOZclassic-to-PNOZsigma checklist to help customers identify the right PNOZsigma safety relay to use when replacing Classic safety relays.

Pilz Australia technical support engineers can provide advice by telephone, email or fax in the event of any queries about replacing Classic safety relays, Pilz X range relays or safety relays from other manufacturers.

For maintenance engineers, one of the advantages of the multi-functional PNOZsigma safety relays is that a smaller number of products are capable of being used in applications that previously required the use of numerous different models of safety relays.

The PNOZsigma safety relays benefit from LEDs on the front that gives better diagnostic data, which helps with troubleshooting and reduces machine downtime.

The PNOZsigma safety relays require less cabinet space and are suitable for machine builders and system integrators. The slimmest model of the PNOZsigma safety relays is 12.5mm wide, and it is now possible to install six safety outputs within a width of 30mm.

Switching capacity of the PNOZsigma safety relays leads to cost savings, and all models feature a semiconductor output for status indication purposes.

When safety-related control systems are being upgraded, the slimline PNOZsigma safety relays are easy to install in existing control cabinets.

The PNOZsigma safety relays have a user-selectable reset mode, operating mode and time functions, the configuration of which is performed by means of switches on the front panel and not by wired connections. This means that the set-up is quicker, the chance of errors is reduced, and the tamper-proof technology is safer (if the switch position is altered, the relay will shut down the safety circuit and it will remain shut down even if the switch is moved back to its original position). If additional contacts are required, expansion modules can be mounted alongside the base relay and connected by means of a jumper connector. This way of expanding the number of contacts is quicker, easier and less error-prone than wiring the units together. It also avoids compromising of a safety output, which is the case when wiring an expansion module to a traditional safety relay is done.

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