Hardware

Small

Small Safety Controller – Functional safety, easily integrated

The cost-effective, preconfigured safety hardware platform for sensors, actuators, and compact safety applications.

Pre-certified for SIL3 / PL e
Faster time-to-market thanks to pre-certification
Modular & compact – ideal for existing designs
Flexible I/O, encoder, and fieldbus extensions

Small

Smart safety hardware for your entry level

The Small Safety Controller is a cost-effective safety hardware platform for integration into safety-related devices such as sensors or actuators. Thanks to its compact design and modular concept, the system can be easily integrated into existing hardware designs – without compromising functional safety.

Download technical data

Typical areas of application

Safe sensors and actuators
Compact machine and plant modules
OEM products with integrated safety functions

Your benefits at a glance

Shorter time-to-market
Pre-certified hardware for achieving high safety levels up to PL e (ISO 13849) or SIL 3 (IEC 61508-1) – significantly reduces development and certification costs.

Easy to integrate
Basic, compact design – ideal as entry-level safety hardware or for customer-specific devices.

Modular & expandable
- Digital & analog I/Os
- Encoder interfaces (SSI / BiSS-C)
- Fieldbus connection via additional processor

Flexible storage options
Choice of internal memory or external memory via SD card.

Technical highlights

CPU: 2 × ARM Cortex-M4 @ 168 MHz
Digital I/Os:
- Up to 24 digital TTL inputs/outputs
- Flexible configuration (e.g., 16 in / 8 out)
Analog inputs: 2
Sensor interfaces: 2 × SSI / BiSS-C (e.g., encoder)
Interfaces:
- Ethernet
- USB (programming & parameterization)
- CAN (optional)
Protective functions: Internal overvoltage protection for supply voltage