Description
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BrandABB
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Model07AI90-S D2
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Product NameAnalog Input Module
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Place of OriginGermany
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Customs HS Code85389000
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Part numberGJR5251200R0202
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Dimensions100 mm × 85 mm × 25 mm
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Weight0.24 kg
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Operating Temperature0 ℃ ~ +60 ℃
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Storage Temperature-25 ℃ ~ +70 ℃
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Warranty12 month
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Product Statusnew
ABB GJR5251200R0202 (07AI90-S D2) Technical Specification
Supply Voltage: 24 V DC;
Max Power Consumption: 50 mA;
Quantity of Input Channels: 8 analog input channels;
Supported Input Signals: 0–10 V DC, 4–20 mA;
Output Description: No physical analog outputs; transmits digital data through backplane bus;
Compatible Control System: ABB AC31 / Procontic CS31;
Applicable Software: ABB AC31 programming software, CS31 configuration tool;
Communication Protocol: CS31 bus protocol;
Conversion Resolution: 12-bit;
Isolation Feature: Galvanic isolation between each channel and backplane;
Installation Method: DIN rail mount;
Ingress Protection: IP20;
Measurement Accuracy: ±0.05% full scale.

This 8-channel analog input module belongs to the ABB AC31 / Procontic CS31 series. It accepts 4–20 mA and 0–10 V DC sensor signals and features galvanic isolation, designed for continuous process data collection in industrial automation applications.
Power Industry
It captures pressure, temperature, flow and liquid level signals from boilers, turbines, water supply and flue gas desulphurization units in thermal and hydropower plants, feeding measured values to closed-loop control and safety interlock monitoring.
Oil, Gas and Petrochemical Industry
It interfaces with pressure transmitters, level instruments and flow transmitters at compressor stations, pipeline monitoring points and storage tank farms. Its isolation capability offers reliable protection against heavy electromagnetic interference generated by motors and variable frequency drives.
Water Supply and Wastewater Treatment
It acquires readings from level transmitters, flow sensors, pH probes, dissolved oxygen and turbidity analyzers to support pumping station regulation, chemical dosing control and online water quality monitoring.
General Manufacturing and Plant Utilities
It collects temperature, pressure and flow data for heating, cooling, compressed air and circulating water circuits to automate factory utility and building service systems.
Legacy System Retrofit and Distributed Remote I/O
Served as a spare and replacement unit for existing CS31 / AC31 distributed automation stations. It can be installed in remote I/O cabinets to cut costs associated with long field signal cabling.
Light Industry, Food and Pharmaceutical Production
It monitors vessel level, reaction temperature and pressure for batch manufacturing processes, ideal for steady analog signal measurement within non-explosive process areas.

FAQ for ABB 07AI90-S D2 GJR5251200R0202 Analog Input Module
Q: What is ABB 07AI90-S D2 GJR5251200R0202?
A: The ABB 07AI90-S D2, part number GJR5251200R0202, is an analog input module for ABB Advant Controller series, widely used in industrial process control systems to collect analog signal data from field sensors.
Q: What signals does ABB 07AI90-S D2 GJR5251200R0202 support?
A: This analog input module accepts standard industrial analog signals including 4-20mA current signals and 0-10V voltage signals, suitable for transmitters, pressure sensors, temperature transmitters and other field devices.
Q: What control system is ABB GJR5251200R0202 07AI90-S D2 compatible with?
A: It is designed for ABB Advant AC31 controller platform. It can work with matched CPU modules, digital I/O modules and backplanes to build a complete distributed control system.
Q: Is ABB 07AI90-S D2 GJR5251200R0202 still in production?
A: This ABB analog input module belongs to the legacy Advant AC31 series and has been phased out of active production. We supply original surplus and refurbished units for maintenance and replacement projects.
Q: What are the typical application scenarios for ABB GJR5251200R0202 07AI90-S D2?
A: It is commonly deployed in power plants, water treatment, chemical plants, pulp & paper, and manufacturing factories for process monitoring, data acquisition and automatic regulation.
Q: Can you provide test reports before shipment for ABB 07AI90-S D2 GJR5251200R0202?
A: Yes. All modules will be fully tested for communication, signal acquisition and circuit performance before delivery, and we can provide test records upon request.
Q: What is the warranty term for ABB GJR5251200R0202 07AI90-S D2?
A: We offer a standard warranty for this ABB analog input module. The warranty period and after-sales terms can be confirmed when you send an inquiry.

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