Product Overview
The ABB AI895 3BSC690086R1 Analog Input Module is a high-performance signal acquisition device specifically designed for industrial automation. As a core component of the ABB S800 series, the AI895 supports 8 channels of 4-20mA signal input and can directly connect to 2-wire transmitters. It also accommodates 4-wire transmitters through specific configurations while retaining HART communication capabilities. The module includes intrinsic safety protection components, allowing it to be used in hazardous areas without additional external equipment. It is suitable for precision process control in industries such as oil and gas, chemicals, power, and water treatment.
Core Features and Product Details
1. Signal Acquisition and Processing
|
Parameter |
Details |
|
Number of Channels |
8 channels, Unipolar Single Ended |
|
Signal Range |
4-20mA, with HART communication support |
|
Resolution |
12 bits, typical error 0.05%, maximum error 0.1% |
|
Input Filtering |
20ms rise time (0-90%) |
2. Intrinsic Safety and Power Management
· Intrinsic Safety Certification: ATEX/IECEx Zone 2 (can connect to Zone 0), cFMus C1 Div 2/Zone 2 (can connect to C1, C2, C3 Div 1/Zone 0)
· Transmitter Power Supply: Each channel provides ≥15V@20mA, supports Ex-certified transmitters, with an overload current limit of 23mA
· Input Voltage Drop: Typical value 3V (including PTC)
3. Diagnostics and Monitoring
· Front Panel LED Indicators: Fault (fault), Run (running), Warning (warning), Tx (HART communication)
· Internal Power Supply Monitoring: Real-time detection of power supply status
4. Environmental Adaptability
|
Parameter |
Details |
|
Operating Temperature |
0°C to +55°C (≤40°C when vertically installed) |
|
Storage Temperature |
-40°C to +70°C |
|
Protection Rating |
IP20 (compliant with IEC 60529) |
|
Corrosion Protection |
ISA-S71.04 G3 level |
Industry Needs and Solutions
· Oil and Gas: Accurate signal acquisition in hazardous areas (Zone 0/Zone 2), supporting remote diagnostics via HART communication.
· Chemicals and Pharmaceuticals: High-precision 4-20mA signal processing to meet GMP compliance requirements.
· Power and Water Treatment: Wide temperature operating range, adaptable to high vibration environments, ensuring stability in boiler feedwater and wastewater treatment.
· Food and Beverage: Hygienic signal acquisition, simplifying the Clean-in-Place (CIP) process.
Why Choose ABB AI895 3BSC690086R1 Analog Input Module?
· High Precision and Reliability: 12-bit resolution with a typical error of only 0.05%, ensuring signal acquisition accuracy; built-in intrinsic safety reduces the need for external devices.
· Flexible Compatibility: Supports both 2-wire and 4-wire transmitters, retains HART communication functions; compatible with TU890/TU891 MTU, simplifying installation and wiring.
· Industrial Durability: Wide temperature operating range (-40°C to +70°C), adaptable to harsh environments; complies with ATEX/IECEx/cFMus certifications, meeting global safety standards.
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