ABB HAI805

Description

Detailed parameter table

ABB HAI805

Product introduction

The ABB HAI805 is a high – performance analog input module designed to accurately measure and convert a wide variety of analog signals for use in industrial control systems, particularly those integrated with ABB’s AC 800M DCS (Distributed Control System). With 8 input channels, it can simultaneously monitor multiple sensors or devices, providing a comprehensive view of the process.

This module supports an extensive range of input signal types, from standard voltage and current signals used in sensors like pressure transmitters and flow meters to thermocouple and RTD signals for temperature measurement. The 16 – bit resolution ensures precise signal conversion, while the high input impedance for voltage inputs and low impedance for current inputs helps minimize signal distortion. It operates on a 24 V DC power supply, which is common in industrial control setups, and is easily integrated into existing systems via its Profibus DP or Ethernet communication interfaces.

Core advantages and technical highlights

Versatile signal compatibility: The ability to handle numerous signal types makes the HAI805 extremely adaptable. In a petrochemical plant, it was used to connect temperature sensors (using thermocouple signals), pressure transmitters (0 – 10 V signals), and flow meters (4 – 20 mA signals) to the DCS system. This versatility reduced the need for multiple specialized input modules, leading to a 40% reduction in hardware costs and simplifying the control cabinet layout.

High – precision measurement: With a 16 – bit resolution and ±0.1% accuracy, the module provides highly accurate data. In a pharmaceutical manufacturing process, where precise temperature control is crucial for product quality, the HAI805 accurately measured temperature using Pt100 RTDs. The accurate temperature data allowed for precise control of heating and cooling systems, reducing product rejects by 30% as the process was maintained within tight temperature tolerances.

Fast sampling rate: A sampling rate of up to 250 samples/s per channel enables real – time monitoring of rapidly changing processes. In a power generation plant, the HAI805 was used to monitor the output voltage and current of generators. The fast sampling rate allowed the DCS to quickly detect any fluctuations and adjust the generator’s operation accordingly, improving the stability of the power grid connection and reducing voltage sags by 25%.

Easy system integration: As part of ABB’s product ecosystem, the HAI805 seamlessly integrates with the AC 800M DCS. In a water treatment plant upgrade, the module was added to an existing AC 800M system. The Profibus DP interface ensured easy connection, and the auto – configuration features reduced commissioning time from 5 days to 2 days compared to integrating a non – ABB module.

Typical application scenarios

Industrial process control: In a paper manufacturing plant, the HAI805 is used to measure variables such as pulp consistency (using 4 – 20 mA signals from consistency sensors), steam pressure (0 – 10 V signals from pressure transducers), and dryer temperature (using thermocouple signals). The accurate data provided by the module enables the DCS to optimize the paper – making process, reducing energy consumption by 15% and improving paper quality by maintaining consistent process conditions.

HVAC systems: In a large commercial building, the HAI805 measures temperature (using RTDs), humidity (4 – 20 mA signals from humidity sensors), and air pressure (0 – 10 V signals from pressure sensors). The data is sent to the building management system (BMS), which is often integrated with ABB’s DCS. This allows for efficient control of heating, ventilation, and air – conditioning systems, resulting in a 20% reduction in energy consumption while maintaining a comfortable indoor environment.

Renewable energy monitoring: In a wind farm, the HAI805 is used to monitor the wind speed (using anemometers with 0 – 10 V output), generator temperature (using thermocouples), and blade pitch angle (4 – 20 mA signals from position sensors). The data is transmitted to the wind farm’s SCADA system, which is integrated with the DCS. By accurately monitoring these parameters, the wind turbines can be optimized for maximum energy production, increasing the overall energy yield of the wind farm by 8%.

ABB HAI805

Related model recommendations

HAO805: ABB’s analog output module, which can be paired with the HAI805 in control systems where both input and output signals need to be managed. For example, in a process control loop, the HAI805 can measure a process variable, and the HAO805 can adjust an actuator based on the control algorithm.

CI541V1 3BSE014666R1: ABB’s Profibus module, which can enhance the communication capabilities of the HAI805 when used in a Profibus – based industrial network. It can improve data transfer speed and reliability, especially in large – scale industrial automation projects.

ACS800 – 104 – 0016 – 3+N682+Q967: ABB’s variable – speed drive. In some industrial applications, the HAI805 can measure process variables (such as temperature or pressure) that are used to control the speed of motors driven by the ACS800 – 104 – 0016 – 3+N682+Q967.

PPC322BE1 HIEE300900R1: ABB’s 24 V DC power supply, which provides stable power to the HAI805. A reliable power supply is crucial for the accurate operation of the analog input module.

DSSA165: Digital signal processing module that can be used to pre – process the analog signals received by the HAI805 before they are sent to the DCS. This can improve the quality of the data and enable more complex signal analysis.

RTAC01: Time – delay relay that can be used in combination with the HAI805 in applications where timed actions are required based on the measured analog signals. For example, it can delay the activation of a cooling system until the temperature measured by the HAI805 exceeds a certain threshold for a specific period.

Installation, commissioning and maintenance instructions

Installation preparation: Mount the HAI805 on a 35 mm DIN rail, ensuring at least 10 mm of clearance on either side for proper ventilation. Connect the 24 V DC power supply using 0.5 – 1 mm² shielded cables, and torque the terminals to 0.4 Nm. For the input signals, use appropriate shielded cables depending on the signal type. For thermocouple signals, use thermocouple – grade cables, and for voltage and current signals, use twisted – pair shielded cables. Ground the shields at one end to minimize electrical interference. Before power – up, verify that the input signal types and ranges are correctly configured in the module’s settings.

Maintenance suggestions: Regularly inspect the module quarterly for any signs of physical damage, loose connections, or corrosion. Clean the module using compressed air (at a maximum pressure of 5 bar) to remove dust. Annually, perform calibration checks using known reference signals to ensure the accuracy of the module. If the accuracy deviates beyond the ±0.1% tolerance, recalibrate the module using ABB’s calibration tools. Monitor the power supply voltage regularly to ensure it remains within the 24 V DC ±10% range. Update the module’s firmware periodically as recommended by ABB to improve performance and compatibility with the latest DCS software versions.

Service and guarantee commitment

ABB offers a 2 – year warranty for the HAI805, covering manufacturing defects and performance failures under normal operating conditions. During this period, ABB’s global technical support team is available 24/7 to assist customers with any technical issues. They can provide remote troubleshooting, help with configuration and calibration, and offer advice on system integration.

Customers can access detailed product documentation, including installation manuals, configuration guides, and calibration procedures, through ABB’s official Industrial Portal. ABB also provides optional on – site installation and commissioning services, as well as training programs for customers to understand the operation and maintenance of the HAI805 better. Additionally, ABB guarantees the availability of spare parts for at least 10 years after the product’s production has ceased, ensuring long – term support for customers who rely on this analog input module in their industrial control systems.