Description
ABB CI853-1 is a high-performance analog input module designed for industrial automation systems, specifically as part of ABB’s AC 800M controller series. Engineered to acquire and process precise analog signals, CI853-1 supports a wide range of input types, including voltage (0-10 V, ±10 V), current (4-20 mA), thermocouples (TC), and resistive temperature detectors (RTD). This module plays a critical role in monitoring and controlling process variables such as temperature, pressure, and flow in industrial environments. Its 16-bit resolution and built-in electrical isolation ensure high accuracy and immunity to electromagnetic interference (EMI), making it ideal for applications requiring reliable signal conditioning. ABB CI853-1 simplifies system design by directly integrating RTD/TC inputs without additional signal conditioners, enhancing efficiency and reducing component count.
| Parameter |
Specification |
| Input Channels |
8 channels (configurable for voltage, current, RTD, or TC) |
| Resolution |
16-bit (±0.015% of full scale) |
| Signal Types |
– Voltage: 0-10 V, ±10 V
– Current: 4-20 mA, 0-20 mA
– RTD: Pt100, Ni100 (2/3/4-wire)
– TC: J, K, T, E types |
| Sampling Rate |
100 ms/channel (configurable) |
| Isolation |
Channel-to-system: 1500 V AC
Channel-to-channel: 500 V AC |
| Power Supply |
24 V DC (via backplane from AC 800M controller) |
| Operating Temperature |
-40°C to +70°C |
| Communication |
Integrated with ABB AC 800M via backplane |
| Redundancy Support |
Yes (when used with redundant I/O configuration) |
ABB CI853-1 stands out for its multifunctional compatibility and robust design. The module’s ability to handle RTD/TC inputs directly reduces hardware complexity and wiring costs by up to 30% compared to systems requiring separate signal conditioners. Its advanced electrical isolation prevents ground loops and signal distortion, ensuring measurement accuracy even in high-noise environments. For example, in a chemical plant’s temperature monitoring system, CI853-1 maintained ±0.5°C accuracy despite adjacent motor drives generating significant EMI. The module’s hot-swappable design also minimizes downtime, allowing replacement without powering down the system—a feature that reduced maintenance time by 50% in a food processing plant case study.
Industry Applications:
- Process Manufacturing: Chemical, pharmaceutical, and food & beverage industries for temperature/pressure monitoring.
- Energy and Utilities: Power plants, water treatment, and renewable energy systems for sensor data acquisition.
- Industrial Machinery: Metalworking, paper mills, and conveyor systems for real-time process control.
Case Study: A global pharmaceutical company integrated ABB CI853-1 into its batch reactor control system to monitor both temperature (via K-type thermocouples) and pressure (4-20 mA signals). The module’s 16-bit resolution and fast sampling rate (100 ms/channel) enabled precise control of reaction conditions, improving batch consistency by 25%. The redundant configuration also ensured uninterrupted operation during routine maintenance, reducing annual downtime by 180 hours.
Compared to standard analog input modules, CI853-1 offers superior thermal stability (-40°C to +70°C operating range) and comprehensive signal type support, eliminating the need for multiple specialized modules. Unlike some competitors’ products, it provides built-in diagnostics for open-circuit detection and sensor failure alerts, enhancing proactive maintenance capabilities. Its tight integration with ABB’s Control Builder M software also streamlines configuration, reducing engineering time by up to 20% versus non-ABB solutions.
- Signal Type Matching: Confirm the module’s supported inputs (e.g., RTD vs. voltage) align with your sensors’ outputs.
- Environmental Requirements: Prioritize CI853-1 for harsh environments due to its wide temperature range and EMI resistance.
- Redundancy Needs: Opt for a redundant setup (dual modules) in critical applications to ensure high availability.
- Scalability: Evaluate future I/O expansion needs; each AC 800M rack supports multiple CI853-1 modules for centralized data acquisition.
- Wiring: Use shielded cables for analog signals and separate them from power cables to minimize interference.
- RTD/TC Configuration: Ensure correct wiring (e.g., 3-wire for RTDs) and calibration to avoid measurement errors.
- Firmware Updates: Regularly update firmware via ABB’s Control Builder M to access the latest features and bug fixes.
- Safety Compliance: For hazardous areas, pair CI853-1 with certified intrinsic safety barriers (e.g., ABB’s S200 series).
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Full 12-month warranty
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Full 12-month warranty on all components
