Key Specifications

I/O Configuration

Digital inputs: 20 channels

Digital outputs: 8 channels

Channel design: non-electrically isolated

Electrical Parameters

Operating voltage: 24 V DC (15–30 V DC)

Digital input current: 5 mA

Maximum output current: 500 mA per channel

Response Time

≥ 10 ms

Safety Certification

TÜV certified SIL 3

Compliant with PL e / Category 4 (EN ISO 13849)

Environmental Conditions

Operating temperature: −25 °C to +70 °C

Storage temperature: −40 °C to +85 °C

Protection class: IP20

Mechanical & Installation

Dimensions (W × H × D): approx. 207 × 114 × 66 mm

Weight: approx. 1 kg

Supports hot swapping during operation

Communication

Communication with upper-level safety controller via:

Backplane

Secure Ethernet

Core Functionality

Signal Acquisition and Safety Control

20 digital input channels acquire switch, limit, and sensor signals

8 digital output channels drive solenoid valves, relays, and other actuators

Enables implementation of safety interlocking and shutdown functions

Full-Channel Self-Diagnostics

Continuous monitoring for:

Short circuits

Open circuits

Sensor faults

Internal module errors

Diagnostic coverage > 98.5%, supporting SIL 3 operation

Safety Redundancy Architecture

OMR (One-out-of-Many with Redundancy) architecture

Supports online maintenance without affecting the safe state of the system

Local / Remote Deployment Flexibility

Suitable for installation close to field devices

Reduces field wiring length

Improves system reliability, availability, and maintainability

Typical Applications

Used in SIS / ESD systems across high-risk industries, including:

Petrochemical and chemical processing

Oil & gas (onshore and offshore)

Power generation

Metallurgy and heavy industry

Typical safety functions include:

Process interlocking

Unit and equipment protection

Emergency shutdown (ESD)

HIMA F3 DIO 20/8 02｜Safety-Related Controller｜