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SATURN

Product catalog summary

Overview
The Safety Remote I/O Platform by Leroy Automation is designed for railway applications, offering high robustness and availability. It supports safety integrity levels SIL0, SIL2, and SIL4, and complies with standards EN50155, EN50129, and EN50128. The platform simplifies configuration and reduces cabling costs.

System Architecture
The SATURN system architecture includes a gateway, a power-supply module, and one or more I/O modules. The gateway manages the system, collects input signals, and drives outputs via a communication network. It also supports Ethernet-based communication with higher-level systems and can autonomously manage safety signals.

Features and Benefits

Ring Network: Features two unidirectional reverse channels, redundant power supply, and supports up to 128 modules per ring with a 1 ms deterministic cycle for 32 I/O modules.
I/O Modules: Include digital inputs, solid state relay outputs, relay outputs, and analogue I/O, with a single DIN41612 connector per node.
Gateway: Supports various field bus protocols and integrates safety logical functions.
Power-Supply Module: Complies with railway standards and communicates on the ring network.
Integrated Workbench: A PC-based tool for system configuration, maintenance, and real-time monitoring.

Key Advantages

100% network operability during a single failure.
Mixed SIL2 and SIL4 I/O modules and gateway.
Cost savings by placing I/O modules close to needs.
Configurable communication cycle time from 1 ms to 255 ms.
Fast processing: 512 SIL0 I/O in less than 1 ms, 300 SIL2 I/O in less than 3 ms.
Flexible assembly options: 3U rack or standalone panel-mounting.

Product Range
The product range includes various I/O modules and gateways with different configurations and safety levels. The power module provides 85W and supports different voltage requirements.

General Specifications

Power Supply: 72Vdc (+/-40%) with other voltages available on demand.
SIL2/SIL4 Digital Inputs: 48Vdc to 110Vdc with 10mA continuous consumption.
SIL2/SIL4 Relay Outputs: 250Vdc switching voltage, 3A switching current.
SIL0 Inputs: 24Vdc to 72Vdc with adjustable threshold and current consumption.
SIL0 Open Collector and SSR Outputs: 154Vdc switching voltage, 3A switching current.

These products are part of the FERSIL product range.

Catalog excerpts

Safety Remote I/O Platform SIL0, SIL2 and SIL4 EN50155 - EN50129 - EN50128

Open the catalog to page 1

Safety Remote I/O Platform SIL0, SIL2 and SIL4 EN50155 - EN50129 - EN50128 is a new platform featuring high-robustness and availability for safety solutions. As a railway remote I/O management solution, it is easy to configure and very efficient. This platform reduces the cabling architecture and associated cost. Principle The SATURN basic system architecture includes:  One gateway  One power-supply module  One or several I/O modules The I/O modules manage system I/O as close to the needs. The gateway acts as the system manager. It collects periodically all the input signal states and drives...

Open the catalog to page 2

Features and benefits  An innovative ring network         Two unidirectional reverse channels Redundant ring of power supply 1 ms deterministic cycle for 32 I/O modules Safety internal and external protocols Permanent diagnosis functions Up to 1,000 m between modules Up to 12 Mbits/s for 100 m repetition distance Up to 128 modules per ring  A range of I/O modules, featuring     Input/output nodes (digital inputs, solid state relay outputs, relay outputs and analogue I/O) Railway EN50155 modules (24-110Vdc) One single DIN41612 connector per node (I/O + power-supply + communication)...

Open the catalog to page 3

Product Range Product ref. Product type EN50155 Power Supply BT 72Vdc (+/-40%) Other voltages on demand SIL2 / SIL4 Digital inputs 48Vdc to 110Vdc 10mA continuous consumption Other values on demand 2000 Vrms input to input isolation SIL2 / SIL4 Relay outputs 250Vdc Switching voltage 3A Switching current 2000 Vrms output to output isolation SIL0 inputs 24Vdc to 72Vdc Adjustable threshold level Adjustable current consumption (0 to 10mA) SIL0 Open Collector outputs 154Vdc Switching voltage 3A Switching current SIL0 SSR outputs 154Vdc Switching voltage Those products are parts of...

Open the catalog to page 4

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