Number of digital inputs: 16
U input to EN 61131-2 Type 1: 24 V DC
Potential isolation inputs: yes
Ambient temperature standard: EN 60068-2-14
Ambient temperature: 0 – 60 °C

High input density: Provides 16 digital inputs for compact and efficient signal acquisition.
Standardised voltage level: Designed for 24 V DC inputs in compliance with EN 61131-2 Type 1.
Safe and reliable isolation: Inputs are potential-isolated to protect circuits and reduce interference.
Broad operating range: Supports ambient temperatures from 0 °C to +60 °C for versatile deployment.

The Pilz PSSU K S 16DI (part number 312430) is a powerful input module designed for the PSSu modular I/O system, providing a reliable and efficient means of acquiring a high number of digital signals. With its 16 digital input channels, standardised 24 V DC interface, and robust isolation features, the module is tailored to meet the needs of modern industrial automation and safety applications.

A standout feature of this unit is its high input density. With 16 digital inputs in a single module, the PSSU K S 16DI allows system integrators to monitor multiple field devices—such as sensors, switches, and push-buttons—without requiring multiple modules. This compact approach helps conserve control cabinet space while reducing overall system complexity.

The module is designed for 24 V DC digital input signals, in line with EN 61131-2 Type 1 standards. This ensures compatibility with a wide range of industrial devices, providing consistent signal levels and reliable communication between field components and the control system. Compliance with international standards guarantees that the module can be deployed globally while meeting regulatory requirements.

Another key strength of the PSSU K S 16DI is its provision of potential isolation across inputs. By electrically isolating each channel, the module minimises the risk of ground loops and electrical interference, protecting sensitive electronics and ensuring signal integrity. This isolation is especially valuable in large-scale or noisy environments where stable and accurate signal acquisition is critical.

The module is also designed to withstand typical industrial conditions. With a qualified operating temperature range of 0 °C to +60 °C, tested according to EN 60068-2-14 standards, it offers reliable performance in standard factory environments. This makes it suitable for a broad range of industries, from automotive and packaging to material handling and general manufacturing.

As part of the PSSu modular I/O system, the PSSU K S 16DI integrates seamlessly with other digital and analogue I/O, communication, and base modules. The modular design of the PSSu system allows engineers to build tailored architectures that can scale as needs grow, whether for small machines or large, distributed automation systems.

Practical applications of the PSSU K S 16DI include monitoring safety devices, processing control signals from sensors, managing operator inputs, and supporting machine diagnostics. By providing accurate and reliable signal capture, it ensures that automation and safety functions respond quickly and effectively.

In summary, the Pilz PSSU K S 16DI (312430) is a versatile and reliable digital input module for the PSSu I/O system. With 16 inputs, 24 V DC compliance, potential isolation, and robust environmental performance, it provides engineers with a dependable solution for efficient signal acquisition in industrial automation and safety systems.