HIMA X-DO-24-01 24-Channel Digital Output Module

HIMA X-DO-24-01 is a 24-channel digital output module for the HIMax safety instrumented system. It receives safety control commands from the CPU and outputs digital signals to drive field actuators, solenoid valves and alarm equipment.

This module achieves SIL 3 safety level certified to IEC 61508. It supports continuous channel diagnostics and hot swap capability, widely used as critical spare parts for ESD, F&G and safety interlock control systems in process industries.

Main Specifications

• Brand: HIMA
• Model: X-DO-24-01
• Product Type: HIMax 24-Channel Digital Output Module
• Safety Certification: SIL 3 in accordance with IEC 61508
• Output digital control signals to field actuators and safety devices
• Built-in diagnostic function for short-circuit and open-circuit detection
• Data communication via X-BUS backplane with rack CPU module
• Support hot swap for online maintenance without rack shutdown
• Onboard LED indicators for channel status, operation and fault alarms
• Operating Temperature Range: -20°C ~ +70°C

Core Functions

• Execute safety commands from X-CPU-01 to control solenoid valves, alarms and shutdown equipment
• Drive field safety actuators to implement emergency shutdown and safety interlock actions
• Monitor output channel wiring faults and send diagnostic messages to the safety system
• Enter predefined safe state automatically once internal hardware failure is detected
• Support configuration, testing and diagnosis through SILworX engineering software
• Isolation design improves anti-interference performance in complex industrial environments
• Modular rack structure allows quick disassembly and replacement during maintenance
• Expand output capacity of safety control system without large-scale cabinet reconstruction
• Coordinate data interaction with X-SB-01 bus module and other rack modules
• Ensure reliable long-term operation of safety instrumented systems under continuous production conditions

Application Scenarios

• Oil & gas plant ESD emergency shutdown safety control racks
• Petrochemical factory SIS safety instrumented interlock control cabinets
• Thermal power plant boiler and turbine safety protection systems
• LNG terminal fire and gas detection (F&G) safety control units
• Chemical and pharmaceutical factory reactor safety interlock equipment
• Waste incineration and biomass power generation safety monitoring racks
• Pulp and paper high-risk production workshop safety control systems
• Metallurgical heating furnace and rolling mill safety protection equipment
• Overhaul, retrofit and spare parts replacement of HIMA HIMax safety systems
• HIMA SIS digital output spare parts inventory and field service projects