This module is a safety-rated Ethernet communication interface designed for the HIMA HIQuad H41q / H51q Safety Controller.
It enables secure, reliable data exchange between safety controllers and higher-level automation systems, supporting both safety-related and non-safety communication within SIL 3 safety architectures.

Applicable Systems

HIMA HIQuad H41q Safety Controller

HIMA HIQuad H51q Safety Controller

Communication Capabilities
Supported Protocols

SafeEthernet (safety-related communication)

Modbus TCP (Slave)

OPC DA / OPC A&E

ELOP II programming Ethernet communication (Version 4.1 and higher)

Interface

1 × RJ45 Ethernet port

10/100 Mbps (100Base-T)

Safety and Compliance

Designed for use in SIL 3 safety systems

Compliant with IEC 61508 and IEC 61511

Suitable for safety-related command and status transmission via SafeEthernet

Power Supply

24 V DC, redundant input

Operating voltage range: 18–32 V DC

Diagnostic Functions

Ethernet link status monitoring

Protocol communication diagnostics

Fault alarm output for system-level signaling

Mechanical Specifications
Parameter Specification
Mounting 19-inch rack mounted
Height 3 HU (133.35 mm)
Width 4 WU (20.32 mm)
Protection Class IP20
Installation Rack-mounted, DIN rail compatible
Environmental Specifications
Parameter Specification
Operating Temperature −20 °C to +70 °C
Relative Humidity ≤ 95% (non-condensing)
Vibration Resistance 10–150 Hz
Shock Resistance 15 g (11 ms)
Key Features and Applications
Secure Safety Communication

Supports SafeEthernet communication between H41q/H51q controllers

Ensures reliable and deterministic transmission of critical safety commands

System Integration

Seamless data exchange with DCS and SCADA systems via Modbus TCP and OPC DA/A&E

Ethernet interface supports remote configuration, programming, and diagnostics using ELOP II

Redundancy Support

Supports redundant configuration

Eliminates single points of failure in communication paths

Enhances overall system availability and fault tolerance

HIMA F8627X 984862765 Communication Module

Typical Applications

Emergency Shutdown (ESD) systems

Fire & Gas (F&G) monitoring

Burner Management Systems (BMS)

Turbine protection and safety control

Other SIL 3–rated process safety systems in petrochemical, oil & gas, and power industries