The PMDsigma series by Pilz includes modules that can expand the number of contacts available for safety functions, such as emergency stops, through contact expansion units. Contact expansion allows you to increase the number of safety-related contacts available, which can be useful when you need to connect multiple safety devices or have complex safety requirements. Safety solutions provider since 2011, We offer Pilz
By expanding the number of available contacts, you can simplify the wiring and connections to safety devices, making the system more manageable and reducing the likelihood of errors. http://www.pilz.com Expansion units might include additional relay outputs that can be used for connecting more safety devices or controlling additional circuits.