HIMA 22120 4-Channel Digital Output Safety Module
Product Introduction: A SIL 3-certified 4-channel digital output module for the Planar4 safety system, delivering redundant and fail-safe control of field actuators in demanding industrial environments.
Technical Specifications:
- Safety Certification: SIL 3 (IEC 61508)
Detailed content
- Output Channels: 4 galvanically isolated safety relay outputs
- Output Type: Form C (changeover) relay contacts
- Contact Rating: 5A @ 24V DC, 2A @ 230V AC
- Isolation Voltage: 500Vrms per channel
- Power Supply: 24V DC (from system backplane)
- Operating Temperature: -20°C to +70°C
- Dimensions: Standard Planar4 module form factor; Weight: Approx. 0.5kg
- Protection Class: IP20
Functional Features:
- Fail-safe design with de-energized-to-trip operation
- Comprehensive self-diagnostics for fault detection
- LED status indicators for each output channel
- Hot-swappable design for maintenance without system shutdown
- High noise immunity for industrial electromagnetic environments
- Seamless integration with Planar4 safety controllers
Application Scenarios:
- Emergency shutdown valve control in oil & gas facilities
- Safety interlock actuator control in chemical processing plants
- Emergency stop circuit control in manufacturing automation
- Burner management system actuator control in power generation
- Safety-related valve control in pharmaceutical production lines











