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HIMA X-DO3201｜Digital Output Module｜
This 32-channel digital output module is designed for Safety Instrumented Systems (SIS) requiring high-density, reliable signal output.
It provides 24 VDC transistor outputs with comprehensive diagnostics, fault monitoring, and SIL-compliant safe-state behavior for critical industrial applications.
Specifications
Channel Configuration & Output Type
32 digital output channels
Output type: non-isolated, 24 VDC
Electrical Ratings
Rated current per channel: 0.5 A (adjustable range 0–0.6 A)
Voltage drop: 1.3 V @ 0.75 A
Maximum total module output current: 12 A (continuous)
Power Supply
24 VDC rack backplane (19.2–30 VDC)
No-load current consumption: approximately 0.5 A
Environmental Conditions
Operating temperature: 0 °C to +60 °C
Storage temperature: −40 °C to +85 °C
Protection class: IP20
Suitable for Zone 2 hazardous areas
Installation
19-inch rack slot
Installed in the same rack as F-CPU / F-IOP / F-COM
Core Features
Safe Digital Output
Supports fault-safe output behavior
Reset / configurable safe state
Channel-level short-circuit monitoring
Automatic transition to a safe state upon fault detection, meeting SIL 3 requirements
Diagnostics & Maintenance
Onboard status LEDs: Run / Error / Stop / Init, system bus status
Individual channel status indication
Configuration, diagnostics, and remote maintenance via SILworX
Redundancy Compatibility
Supports redundant safety architectures with F-CPU / F-IOP
No single point of failure affecting overall system safety
Anti-Disturbance Design
Complies with EMC requirements
Reliable operation in harsh industrial electromagnetic environments
Terminal Boards (Supporting Accessories)
X-CB 009 01 – single-channel screw terminal
X-CB 009 02 – redundant screw terminal
X-CB 009 03 – single-channel cable plug
X-CB 009 04 – redundant cable plug
Typical Applications
Emergency Shutdown (ESD) systems
Fire & Gas (F&G) safety systems
Gas turbine protection
Boiler and burner management safety interlocking
Industries:
Petrochemical and chemical processing
Oil & gas
Power generation
Other high-reliability SIS environments
HIMA X-DO3201｜Digital Output Module｜
By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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