HIMA X-AO 16 01 Product Specification
1. Product Overview
The HIMA X-AO 16 01 is a safety-related analog output module specifically developed for HIMA’s HIQuad X and HIMax safety instrumented systems (SIS). As a key component in industrial safety control loops, it converts digital control signals from the safety controller into precise analog output signals to drive field actuators—such as control valves, variable frequency drives (VFDs), and dosing pumps. Widely used in high-risk industries including oil & gas, petrochemical, and chemical processing, this module ensures the accurate execution of safety functions, preventing hazardous process deviations and protecting personnel and equipment.
Compliant with international safety standards IEC 61508 (SIL 3) and IEC 61511, the X-AO 16 01 adopts a dual-channel redundant design and high-precision signal conditioning technology. It maintains stable performance in harsh industrial environments with electromagnetic interference, temperature fluctuations, and voltage surges, meeting the stringent reliability requirements of safety-critical applications.
2. Technical Parameters & Specifications
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Category
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Details
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Product Model
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HIMA X-AO1601
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Product Type
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Safety-Related Analog Output Module (SIL 3 Certified)
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Compatible Systems
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HIMA HIQuad X SIS, HIMax SIS
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Output Channels
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16 Isolated Channels (Independently Configurable)
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Output Signal Types
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4–20 mA DC; 0–10 V DC; 1–5 V DC (Selectable per Channel)
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Output Accuracy
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±0.1% Full Scale (FS) for 4–20 mA; ±0.2% FS for Voltage Signals
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Load Capacity
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Max 500 Ω for 4–20 mA; Min 1 kΩ for Voltage Signals
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Response Time
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≤1 ms (Signal Update Delay)
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Isolation
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Channel-to-Channel: 500 V DC; Channel-to-System: 1500 V DC
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Power Supply
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24 V DC ±20% (Redundant Input); Power Consumption: ≤20 W
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Environmental Ratings
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Operating Temp: -20°C–60°C; Humidity: 5%–95% (Non-Condensing); Vibration: ≤2 g
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Certifications
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IEC 61508 (SIL 3); IEC 61511; ATEX; IECEx; UL 61010
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3. Key Features
3.1 High-Precision Signal Output
With ±0.1% FS accuracy for 4–20 mA signals and ±0.2% FS for voltage signals, the X-AO 16 01 ensures precise control of field actuators. Advanced temperature compensation technology (over -20°C–60°C) minimizes signal drift, while built-in noise filtering reduces electromagnetic interference—critical for applications like precise valve positioning in chemical reactors.
3.2 SIL 3 Safety & Fault Tolerance
Certified for SIL 3 operation, the module features a dual-channel redundant design with hardware fault tolerance (HFT = 1), ensuring continuous output even if a single channel fails. Comprehensive self-diagnostics (≥99% diagnostic coverage) detect faults such as short circuits, overloads, and module overheating, triggering immediate alerts to the SIS controller for timely handling.
3.3 Flexible Channel Configuration
Each of the 16 isolated channels can be independently configured via HIMA’s HIMatrix Engineering Studio for 4–20 mA, 0–10 V, or 1–5 V output. This flexibility allows the module to adapt to diverse field actuators, eliminating the need for multiple dedicated modules and simplifying system design in mixed-signal safety loops.
3.4 Seamless SIS Integration
Optimized for HIMA’s flagship SIS platforms, the module supports plug-and-play installation via the system backplane and automatic parameter synchronization. It integrates seamlessly with HIMA’s safety control software for centralized monitoring, calibration, and fault diagnosis, reducing deployment time and operational complexity in large-scale safety systems.
4. Related HIMA Products
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HIMA X-AI 32 01: 32-channel safety analog input module, paired with X-AO 16 01 to form complete safety input-output loops for process monitoring and control.
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HIMA X-DO 32 01: 32-channel safety digital output module, complementing X-AO 16 01 to drive discrete actuators like emergency shutdown valves.
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HIMA HIMax Controller: High-capacity safety controller, fully integrating X-AO 16 01 to execute complex safety strategies in large industrial facilities.
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HIMA X-COM 01: Safety communication module, enabling X-AO 16 01 to transmit status data to remote monitoring systems securely.
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HIMA HIMatrix Engineering Studio: Integrated software for configuring, testing, and maintaining X-AO 16 01 and associated SIS components.
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