Product Overview
The HIMA X-AO 16 51 is a high-precision analog output module designed for use in the HIMA HIMax safety control system. As part of the robust HIMax series, this module is engineered to provide reliable and accurate control signals for safety-critical applications. With 16 analog output channels, the X-AO 16 51 is an essential component for systems that require precise control capabilities, ensuring accurate and timely actuation of devices such as valves, actuators, and motors.
In an industrial automation setup, the X-AO 16 51 plays a crucial role in converting digital control signals from the central control system into precise analog output signals. These output signals can drive various actuators, ensuring that processes are executed safely and efficiently. The module’s ability to handle a wide range of output voltage levels ensures compatibility with various types of control devices and systems.
What sets the HIMA X-AO 16 51 apart is its combination of high precision and advanced safety features. It is designed to operate reliably in harsh industrial environments, with features such as wide operating temperature ranges and protection against electromagnetic interference. Additionally, its SIL 3 safety rating (according to IEC 61508, IEC 61511, and IEC 62061) makes it suitable for applications where safety and reliability are paramount. Whether used in oil and gas refineries, chemical plants, or manufacturing facilities, the X-AO 16 51 ensures that critical control signals are accurately transmitted, minimizing the risk of system failures and enhancing overall operational safety.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | X-AO 16 51 |
| Manufacturer | HIMA |
| Product Type | Analog Output Module |
| Number of Channels | 16 |
| Output Signal Range | ±10 VDC, 0…20 mA, 4…20 mA |
| Output Impedance | ≤ 100 Ω (voltage), ≤ 500 Ω (current) |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | Max. 95% relative humidity, non-condensing |
| Dimensions (H x W x D) | 310 mm x 29 mm x 230 mm |
| Weight | Approx. 1.0 kg |
| Protection Class | IP20 |
| Safety Rating | SIL 3 (IEC 61508, IEC 61511, IEC 62061) |

Key Features and Benefits
The HIMA X-AO 16 51 offers several key features that make it a standout choice for analog output applications in industrial automation. One of its most notable strengths is its ability to handle a wide range of output signal levels, including ±10 VDC, 0…20 mA, and 4…20 mA. This versatility ensures compatibility with various types of actuators and control devices, making it suitable for diverse industrial applications.
Another significant advantage is its high precision and accuracy, which are critical for reliable control. The module’s wide operating temperature range and protection against electromagnetic interference ensure that it can operate reliably in harsh industrial environments. Additionally, its SIL 3 safety rating provides assurance that the module meets the highest standards for safety and reliability.
The X-AO 16 51 also features a compact design with a small footprint, making it easy to integrate into existing control cabinets without taking up excessive space. Its IP20 protection class ensures that the module is protected against dust and other contaminants, further enhancing its durability and longevity.
Application Scenarios
The HIMA X-AO 16 51 is versatile and suitable for a variety of industrial applications. In oil and gas refineries, it can be used to control critical process equipment such as valves, pumps, and compressors. By accurately transmitting control signals, the module helps ensure safe and efficient operation, minimizing the risk of equipment failures and process upsets.
In chemical plants, the X-AO 16 51 can interface with various actuators to control hazardous conditions and ensure compliance with safety regulations. Its ability to handle multiple analog outputs makes it ideal for applications requiring extensive control, such as in smart manufacturing lines where real-time control is crucial for optimizing production processes.
In power generation facilities, the module can be used to control equipment status and environmental conditions, helping to prevent equipment failures and ensure operational safety. Its robust construction and wide operating temperature range make it suitable for deployment in both indoor and outdoor environments.
Related Models
X-AI 32 02 – An analog input module with 32 channels, designed for applications requiring extensive analog signal processing.
X-DI 64 01 – A digital input module with 64 channels, providing complementary input capabilities for complete control systems.
X-DO 32 01 – A digital output module with 32 channels, providing complementary output capabilities for complete control systems.
X-CPU 01 – A central processor module designed to work seamlessly with the X-AO 16 51, providing comprehensive control and monitoring capabilities.
X-COM 01 – A communication module that enables seamless integration of the X-AO 16 51 with other system components and networks.
X-DI 64 01 – A digital input module with 64 channels, providing complementary input capabilities for complete control systems.
X-DO 32 01 – A digital output module with 32 channels, providing complementary output capabilities for complete control systems.
X-CPU 01 – A central processor module designed to work seamlessly with the X-AO 16 51, providing comprehensive control and monitoring capabilities.
X-COM 01 – A communication module that enables seamless integration of the X-AO 16 51 with other system components and networks.

Installation and Maintenance
When preparing for the installation of the HIMA X-AO 16 51, ensure that the environment meets the required operating temperature range of 0°C to +60°C and humidity levels of up to 95% RH (non-condensing). The module should be mounted in a well-ventilated area to ensure optimal performance and longevity. Proper grounding is essential to prevent electrical interference and ensure safe operation.
For maintenance, it is recommended to regularly inspect the module for signs of wear or damage, particularly around the connectors and terminals. Periodic cleaning of the module to remove dust and debris can help maintain its efficiency and prolong its lifespan. Additionally, monitoring the module’s performance and ensuring that all connections are secure can help identify potential issues early and ensure reliable operation. It is also advisable to replace the X-AO 16 51 every five years or as needed based on operational conditions to ensure continued reliability.
Product Warranty
Xiamen Xiongba E-commerce Co., Ltd. Branch offers a one-year warranty for the HIMA X-AO 16 51, covering manufacturing defects and ensuring product reliability. Our global support network is available to assist with any technical issues, ensuring prompt and effective assistance. We are committed to customer satisfaction and offer free replacement services for any units found to be defective within the warranty period. Our confidence in the quality of our products, combined with our dedication to customer satisfaction, makes us a trusted partner for your industrial automation needs.


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