ABB AI02J Analog Input Module | 16-Ch 4-20mA HART-Guangzhou Qiming Automation Technology Co., Ltd.

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ABB AI02J is a high-performance analog input module developed for ABB Ability™ Symphony® Plus DCS platform, categorized into SD series I/O modules for industrial automation and process control applications. Equipped with 16 group-isolated analog input channels, the module allows independent configuration of each channel for 4-20mA current signal or 1-5VDC voltage signal, perfectly acquiring data from field sensors such as pressure, temperature, flow and level transmitters.

Integrated with a built-in HART 5.4 modem, AI02J supports two-way communication with HART smart instruments. It can retrieve up to 24 secondary variables to realize remote parameter reading, status monitoring and fault diagnosis, effectively improving asset management and reducing maintenance costs. The module uses a high-quality 16-bit A/D converter with polarity, delivering outstanding resolution and linearity. The full-scale accuracy reaches ±0.1%FSR with a fast update rate of 100ms for all 16 channels, meeting strict requirements for precision and stability in process monitoring.

In terms of electrical performance, it provides 1500VAC group isolation (1×16) between field signals and system logic, which suppresses ground loop interference and electromagnetic disturbance effectively. Each channel features short circuit protection (max 96mA per channel) to ensure system safety. Powered by 24VDC ±10%, the module has low power consumption (≤15W) and supports field cables up to 600 meters long, suitable for large-scale distributed factory layouts.

With compact structure, DIN rail mounting and hot-swap capability, the module can be replaced during system operation without shutdown. As a core I/O card for ABB DCS, it has been widely applied in chemical, oil & gas, power, metallurgy and water treatment industries.

AI02J

Main Features & Advantages：

Core Features

16 group-isolated analog input channels, configurable for 4-20mA / 1-5VDC per channel
Built-in HART 5.4 modem, supporting up to 24 secondary variables
16-bit A/D converter with polarity, high resolution and linearity
High accuracy ±0.1%FSR, reliable full-range measurement
1500VAC group isolation (1×16), resisting ground loops and EMI
Short circuit protection (96mA/CH), enhancing system safety
24VDC power supply, low power consumption ≤15W, 600m cable support
Hot-swap design, maintenance without system shutdown

Core Advantages

Integrated HART communication, enabling smart instrument data & diagnostics
Industrial-grade anti-interference design, stable in harsh environments
Native Symphony Plus compatibility, seamless integration & easy configuration
Multi-industry versatility, ideal for process monitoring across sectors

Technical Parameters：

Parameter	Specification
Model	ABB AI02J
Series	Symphony Plus SD Series I/O
Number of Channels	16 group-isolated analog input channels
Input Signal	4-20mA / 1-5VDC (configurable per channel)
HART Protocol	HART 5.4, built-in modem, up to 24 secondary variables
A/D Resolution	16-bit with polarity
Accuracy	±0.1%FSR
Update Rate	100ms for all 16 channels
Electrical Isolation	1500VAC (field to logic, 1×16 group isolation)
Channel Protection	Short circuit limit: 96mA per channel
Power Supply	24VDC ±10%, ≤15W
Max. Cable Length	600m
Operating Temperature	-20°C ~ +60°C (non-condensing)
Dimensions	190mm (W) × 118mm (H) × 34mm (D)
Installation	DIN Rail Mount, Hot Swappable
Certification	CE, RoHS, IP20

AI02J

Application Industries and Scenarios：

The AI02J is widely applied in process automation where high-density, HART-enabled analog input is required:

Power Generation: Monitoring boiler parameters, turbine auxiliaries, feedwater systems, and emissions in thermal, combined-cycle, or nuclear plants.

Oil & Gas and Petrochemical: Acquisition of flow, pressure, and level signals from smart transmitters in upstream, midstream, and refining processes.

Chemical and Pharmaceutical: Precise control of batch and continuous processes with integrated device diagnostics.

Water & Wastewater Treatment: Pump, valve, and tank level monitoring with HART for remote calibration.

Metals, Mining, and Pulp & Paper: Process variable acquisition in harsh environments demanding reliable signal integrity.

Typical scenarios include new Symphony Plus SD Series I/O clusters, expansions adding smart instrumentation, and retrofits where HART transmitters replace older analog-only devices. For applications needing sequence-of-events (SOE) resolution, consider dedicated SOE modules; for higher isolation or redundant configurations, evaluate other SD Series variants. The quick-response feature benefits closed-loop controls with fast dynamics, while HART support reduces commissioning time and supports predictive maintenance programs.

Application Fields：

Chemical Industry: Pressure, flow, level monitoring for reactors and columns
Oil & Gas: Wellhead, pipeline and compressor station data acquisition
Power Industry: Boiler, turbine and environmental protection system monitoring
Metallurgy: Furnace temperature, pressure and gas flow measurement
Water Treatment: PH, dissolved oxygen, flow and level signal collection
Pharmaceutical & Food: Sanitary process parameter monitoring
Paper & Cement: Kiln, dryer and production line signal acquisition

FAQ:

Q1: What is ABB AI02J?

A: ABB AI02J is a 16-channel group-isolated analog input module of Symphony Plus SD series. It converts 4-20mA/1-5VDC analog signals from field sensors into digital data for DCS monitoring and control.

Q2: Does ABB AI02J support HART protocol?

A: Yes, it supports HART 5.4 with built-in modem, communicating with HART smart instruments to read up to 24 secondary variables for remote monitoring and diagnosis.

Q3: What is the accuracy of ABB AI02J?

A: It provides ±0.1%FSR accuracy with 16-bit resolution and 100ms update rate, ensuring precise and reliable analog signal measurement.

Q4: Which systems is ABB AI02J compatible with?

A: It is natively designed for ABB Ability Symphony Plus DCS, and can be seamlessly integrated with 800xA, AC800M and other ABB controllers.

Q5: Does ABB AI02J support hot swap?

A: Yes. The hot-swap function allows module replacement while the system is running, avoiding downtime and reducing maintenance losses.

Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

How many parts do you currently have in stock?

We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.