Pilz Safety Controller Software

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Yogprasad Moneta

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Aug 3, 2024, 5:33:20 PM8/3/24

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The safe small controllers PNOZmulti are used to monitor E-STOPs, safety gates, safety light curtains, two-hand pushbuttons, speed, standstill, position, analogue values, press safety valves and much more.

PNOZmulti small controllers make design, configuration, documentation and commissioning simple. Easy diagnostic solutions reduce standstill times on your plant or machine. Our user-friendly software tools are available to you to do this.

With the programmable and configurable controllers plus the I/O systems PSSuniversal and the remote I/O system PSSuniversal 2, applications for safety and automation can be implemented with ease and flexibility.

I have a Pilz safety PLC which I am using to send certain signals to the robot controller to stop when the fence gate is OPEN. This is my first time doing it. After reading the manual I understand that we have to send signals to EAS1-EAS11 and EAS2-EAS21 for the safety fence.

Depends entirely on what brand of robot you are using, and what options that robot has. As far as I'm aware, on any robot, the hardwired safeties and the network safeties are mutually exclusive. That is, if the robot was purchased with the Ethernet/IP safety option, then the hardwired safeties are no longer usable (and may in fact be physically removed).

Welcome to the forum! As SkyeFire already said, we need to know which robot brand (controller type and software version would also be helpful) you are using. Based on the designation of the fence terminals I suspect it is a FANUC. Is your safety PLC a PNOZmulti 2? Am I right with my assumptions?

The signals EAS1-EAS11 and EAS2 - EAS21 have jumpers in them at the moment. We are also using Ethernet/IP but that is to control certain parameters like the ENable and other signals from an HMI and also to run certain programs. The ethernet connection is done with a different PLC.

We are also using Ethernet/IP but that is to control certain parameters like the ENable and other signals from an HMI and also to run certain programs. The ethernet connection is done with a different PLC.

Are you still talking about the safety signals?! If yes, the Pilz PSSu is also not supporting CIP Safety which would be required for safety-rated communication when using EtherNet/IP. That means, you need to use hardwired signals. See also my other post.

2. Yes the robot is connected to the above plc via Ethernet/IP. Using this connection we run the welding programs directly from an HMI screen rather than running it from the teach pendant of the robotic arm.

So if I am going to hardwire it, the best choice that I think to wire the output of the safety plc to the robot controller is through a relay, as in to protect the safety plc from any kind of short circuit.

Please correct me if i am wrong.

Thank you

Option 2: Connect the fence directly to the EAS terminals of the robot controller. If the outputs of your safety device (for the fence) are potential-free it is no problem. If the safety device is using OSSDs you probably need relays inbetween.

Actions: The robot has been owned by PLC with matching signature a few times. . .module is not faulted @PLC and the ADP indicates running status with successful pings at robot controller. The PLC still does not recognize input from the robot controller.

Sounds like the SafeIO definitions have not been assigned. Out of the box, nothing is setup in the safety side on the robot. You need to assign safety level inputs and outputs for stuff like fence open, estop, robot estop pressed, deadman pulled in, etc.

With the PLC controllers we offer control systems that enable you to control both automation and safety functions within a project. Our PLC control systems are modular, i.e. you can put them together to suit your requirement. To do this, various head modules (with the main processor) and numerous I/O modules for safety and automation functions are available. You can simply adapt the system structure to suit your requirements. You can add or exchange the modules at will.

For your automation project there is a large selection of I/O modules for safety-related, non-safety-related, digital and analogue signal processing. When individual changes are made to the system at a later date, simply add new modules or exchange existing ones. That gives you extreme flexibility.

The PSSuniversal controllers are available for varied safety-related and standard applications. Combined with I/O modules, they are used as stand-alone controllers or within a network in the automation system PSS 4000.

A wide range of safety and standard I/O modules, base modules and supply voltage modules is available in the decentralised periphery and can be connected to both the controllers and the communication modules, depending on the requirement.

Pilz is technology leader and a complete solution supplier in safe automation technology. Our safety controllers are used all over the world and are well-proven over many years. Trust in our expertise in machinery safety: we have the right solution for every requirement! Always in focus: the safe shutdown of hazardous movements and the smooth control of your machinery.

Safety is our core competency, which is why our mission is to automate plant and machinery in such a way that the safety of human, machine and environment is always guaranteed.

In which direction is safety technology developing? Which control systems provide the highest user benefits? Look it up! The Pilz Safety Compendium offers knowledge of safe control technology, particularly in chapter 5!

Windows is using the "usbser.sys" driver to communicate with the pilz PLC (see enclosed picture). I do not know how complex it is to implement this driver in the Unistream PLC. Maybe you can look into it.

I think it is impossible to conect this typ of pilz safety module to Unistream. This pilz PNOZ safety PLC is standalone device with dual processor operation working with downloaded via card or usb project. No networking option is offered by manufacturer for this device, or you choosed wrong pilz model.

this is not correct. You can exchange data (virtuell I/O's, LED Status and so on) over the integrated USB interface even with the standalone device mm0p (As you can see in the picture of my first post). And this is really graet to exchange information with the main PLC.

To the test configuration:
I connected the PNOZ mm0p via a USB cable to my PC (PC is USB Host). Now it is possible to communicate with the mm0p via a termial program (e.g Hterm) as described in the manual.

Currently, I am dealing with a good project that involves connecting the CPU414-5 H with two non-SIEMENS profibus slaves, the first one is "Gessmann V85 multi-Axis controller" and the second one is the "PNOZ-multi 2 PILZ" safety controller, i have searched for their GSD file but in-vain.
Please, does any body have the link to get those GSD files

PNOZ m C0 is a compact, self-contained safety controller with 8 safe inputs, 4 safe semiconductor outputs and 2 test pulse outputs. It belongs to the PNOZmulti 2 family of small controllers from Pilz and is intended for use in low-level safety systems such as emergency stops, door protection and light barriers.

Pilz GmbH & Co. KG is an internationally orientated company: Pilz develops, produces and markets its products and solutions worldwide. As a provider of automation technology solutions, the company is continuously expanding its subsidiaries. This is because proximity to customers is a top priority in order to learn more about the applications and to define current market requirements more precisely. Customers also benefit from short delivery times and fast on-site support.

With Pilz as your partner, you not only have access to an extensive sales network, but also to local market and standards expertise that guarantees quality across national borders. Large international companies with production facilities on different continents and export-orientated machine manufacturers worldwide benefit in particular from this expertise.

Are you looking for reliable sensors to safeguard your plant and machinery? The Pilz product portfolio in the area of safety sensors offers a wide selection - from safety switches for position monitoring and solenoid interlocks to optical sensors for area and room monitoring and safe radar and camera systems.

Are you looking for a solution for machine safety and need to monitor safety functions such as emergency stops, safety gates or light curtains on your machine or system? Maximum safety up to PL e or SIL CL 3?

The safety relays PNOZ from Pilz monitor safety functions such as emergency stop, safety gates, light barriers, light curtains, two-hand, speed, standstill and many more. The PNOZ safety relays prove their worth millions of times a day in use all over the world.

Movable guards such as swing and sliding doors or flaps and bonnets are present in almost every application. A solenoid interlock with appropriate tamper protection in accordance with EN ISO 14119 is required for dangerous overtravel movements.