F3DIO8/801 (standard form: F3 DIO 8/8 01) is a safety-type digital I/O module of the HIMatrix F3 series from German HIMA (Black Horse). It integrates 8 channels of DI and 8 channels of DO, is SIL3 certified, and is used in SIS/ESD systems. It is currently a mainstream product available for purchase.

I. Basic Information

Model: F3DIO8/801 (F3 DIO 8/8 01)

Series: HIMA HIMatrix F3 (Compact Safety Controller / I/O)

Type: Safety Digital Input/Output Module (Can operate independently or as remote I/O)

Safety Level: SIL3 (IEC 61508), TÜV Certification; Cat.4/PL e (EN 954-1/ISO 13849-1)

Programming Software: SILworX (Recommended), Compatible with ELOP II Factory

Status: In-service mainstream, available for normal purchase

II. Core Channel Specifications

Digital Input DI: 8 channels

Signal: 24VDC (high level valid), source type / sink type compatible

Input Current: Maximum 20mA per channel

Isolation: Non-isolated between channels, safety isolation on the system side

Diagnosis: Short circuit / open circuit detection, fault-safe reporting

Digital Output DO: 8 channels

Type: DO+ (L + switch, 8 channels), DO- (L - switch, 2 pulse channels)

Voltage: ≥ L+ - 2V; Load voltage 24VDC

Current: Channels 1-3/5-7: 0.5A (60℃); Channel 4/8: Maximum 2A (depending on heat dissipation)

Protection: Short circuit / overload / overtemperature protection, fault-safe shutdown

III. Hardware and Performance

Processor: Dual-core redundant safety architecture

Response Time: ≥ 10ms; Scan cycle configurable

Communication: 2×RJ45 (10/100Mbps, with centralized switch); Supports SafeEthernet, Modbus TCP, Profinet

Power Supply: 24VDC (18–30VDC), Power Consumption ≤ 12W

Environment: 0℃～+60℃; 5%–95% RH (no condensation)

Size / Weight: 152×114×66mm; Approximately 1.4kg

Installation: Standard 35mm DIN rail installation

IV. Safety and Diagnosis

Architecture: Dual-core redundant + cyclic self-check, compliant with SIL3 safety integrity

Diagnosis: Full coverage (DI short circuit / open circuit, DO overload / short circuit, module internal faults); FAULT light on and fault code set when a fault occurs

MTTFd: 1500,000 hours, low-risk failure probability

V. Typical Applications

Petroleum and Chemical Industry: ESD emergency stop, valve interlock, pump / fan safety control

Electric Power: Boiler / steam turbine protection, gas turbine auxiliary equipment interlock

Oil and Gas: Station F&G fire gas detection, emergency shut-off valve control

General Industry: Safety door control, emergency stop interlock, robot safety area control