HIMA X-DI1601 985210222 | HIMax 16-Channel Safety Digital Input Module
16-ch 24 V DC digital input, SIL 3 certified, with channel isolation, diagnostic functions, and PROFIBUS DP for critical safety applications
1. Product Overview
The HIMA X-DI1601 985210222 is a 16-channel safety digital input module for HIMax safety controllers, engineered to reliably acquire 24 V DC digital signals from field devices (e.g., switches, sensors, safety interlocks) and transmit them to the safety controller for high-integrity processing. It features channel-to-channel and channel-to-backplane isolation (500 V AC), comprehensive diagnostics (open-circuit, short-circuit, wire break detection), and a response time < 5 ms, supporting IEC 61131-2 Type 1 input and compliance with IEC 61508 SIL 3, IEC 61511, and TÜV certification. The module integrates PROFIBUS DP communication, operates in -25°C to +60°C, with IP20 protection, and is ideal for SIS/DCS in oil & gas, chemical, power generation, and manufacturing requiring failsafe digital input acquisition and SIL 3 compliance.
Key Specifications
• Model: X-DI1601 985210222 | HIMax 16-Channel Safety Digital Input Module
• Channel Count: 16 isolated digital input channels (4 groups of 4 channels)
• Input Type: 24 V DC (19-30 V DC range); IEC 61131-2 Type 1; 7 mA/channel (typical)
• Isolation: 500 V AC (channel-group to channel-group); 500 V AC (channels to backplane)
• Response Time: < 5 ms (configurable down to < 1 ms)
• Diagnostics: Wire break, short-circuit, open-circuit detection; channel-level status LEDs
• Communication: PROFIBUS DP (with redundant option); integrated into HIMax backplane
• Environmental: -25°C to +60°C (-13°F to +140°F); Storage: -40°C to +85°C (-40°F to +185°F); Humidity: 5% to 95% (Non-condensing)
• Protection: IP20 (front panel); DIN-rail mountable (HIMax chassis)
• Certification: IEC 61508 SIL 3, IEC 61511, TÜV SÜD approved
2. Core Features
• SIL 3 Compliance: Certified for IEC 61508 SIL 3 safety integrity, suitable for critical safety loops
• Channel Isolation: 500 V AC isolation between groups and backplane to prevent cross-channel interference
• Comprehensive Diagnostics: Real-time wire break/short-circuit detection with LED indicators for fast fault localization
• Fast Response: < 5 ms default (configurable < 1 ms) for time-critical safety applications
• Grouped Channels: 4 groups of 4 channels for flexible wiring and power distribution
• PROFIBUS DP: Seamless integration with HIMax controller via PROFIBUS DP (redundant support)
• Hot-Swappable: Tool-free replacement without system shutdown (with HIMax redundant backplane)
• Status Monitoring: Module-level (Power, Fault, Communication) and channel-level LEDs for instant status check
YMGK Purchase Information
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3. Typical Applications
• Oil & Gas: Wellhead monitoring, pipeline SIS, offshore platform ESD systems (SIL 3)
• Chemical: Batch process SIS, reactor safety shutdown, toxic gas detection input
• Power Generation: Turbine protection systems, generator safety interlocks, auxiliary system monitoring
• Manufacturing: Automotive assembly safety stops, packaging machine emergency stops, robot cell interlocks
• Water/Wastewater: Pump station SIS, valve position feedback, overflow alarm input
4. Installation & Maintenance
Installation: Insert into HIMax I/O slot; connect 24 V DC group power; wire field inputs (4 groups); link PROFIBUS DP; verify LED status (Power, DP Link, Channel OK).
Configuration: Use SILworX to set input type, response time, diagnostic thresholds, and PROFIBUS address; enable channel-level diagnostics.
Maintenance: Weekly: Check status LEDs; Monthly: Test wire-break/short-circuit diagnostics; Annual: Verify isolation integrity; replace if fault persists.
Safety Notes: De-energize before hot-swap; ensure group power redundancy; validate SIL 3 compliance after configuration changes.
Technical Document | HIMA X-DI1601 985210222 | HIMax 16-Channel Safety Digital Input Module for SIL 3 Applications
