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Frequently asked questions - PNOZ safety relays
 


FAQ PNOZ safety relays
Every day, PNOZ safety relays prove themselves in millions of applications worldwide, monitoring E-STOPs, safety gates, light curtains/grids, two-hand controls and many other functions. The name PNOZ is now synonymous with safety relays. [...more]

Below you will find answers to the following:

PNOZ X safety relays
Can all the contact expander modules in the PNOZ X series be connected to all the base units in the PNOZ range?

What does the "P" at the end of a unit description stand for?

 

PNOZsigma safety relays
All LEDs light up when the PNOZsigma unit is switched on.

The Fault LED lights up when the PNOZsigma unit is switched on.

Can all the contact expander modules in the PNOZsigma series be connected to all the base units in the PNOZ range?

What is supplied with a PNOZsigma unit?

 

PNOZelog safety relays
Up to which category can the PNOZelog be connected?

What is unit linking? How does unit linking work?

What does the "P" at the end of a unit description stand for?

 

PNOZmulti modular safety system
How many expansion modules can be connected to PNOZmulti?

How is the feedback loop (FL) on the output modules monitored?

The PNOZ Multi has a"coated version", what does this mean?

How fast is the PNOZmulti (reaction time)?

What fuse protection is required on the PNOZmulti?

PNOZmulti - Software
CRC check sum. What do the following mean: overall check sum, program check sum and data check sum?

From Version 3 of the PNOZmulti Configurator there is an option to give an "activated" input a filter time. What does this mean?

On the PNOZmulti Configurator, the help doesn't start automatically?

The error stack on the PNOZmulti Configurator cannot be displayed.

Once the user program has been downloaded, for how long does it remain stored in the PNOZmulti base unit when operating voltage is not applied?

I have forgotten my PNOZmulti program password. What do I do now?

Why do you need three passwords on the PNOZmulti program?

What does the 't' stand for on many of the switch types in the PNOZmulti Configurator?

PNOZmulti - Hardware
What is the function of the I/Os CI+, CI-, CO+, CO-?

Why does the FAULT LED light up red after the chip card is exchanged?

During initial commissioning of the PNOZmulti, the LEDs at the inputs do not light, even though voltage is applied?

OA0, what's this terminal for?

Why do the LEDs at A1, A2, 24V, 0V, CI- and CO- not light?

With Cat. 4 is it permitted for two identical test pulses to be linked to adjacent inputs?

Can T0 to T3 be used for a different purpose?

Are the terminators and connectors in the PNOZmulti, PNOZpower and PNOZplus series compatible? Are the connectors available separately?

How high is the current consumption of an input on the PNOZ m1p base unit?

Are terminals A2 and 0V galvanically isolated?

Can pressure sensitive mats be used on the PNOZmulti/m1p base unit?

What should be considered when connecting enable switches to PNOZmulti?

Where is the 0 Volt terminal on the PNOZ mi1p?

How high is the switching capability of the relay outputs on the PNOZmulti, PNOZ mo2p and PNOZ mo4p?

What distinguishes the signal outputs, on the PNOZ mc1p for example, from the safety outputs?

 

Modular safety system PNOZpower
What does the "P" at the end of a unit description stand for?

Are the terminators and connectors in the PNOZmulti, PNOZpower and PNOZplus series compatible? Are the connectors available separately?
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