ABB PFVI401 3BSE018732R1
ABB PFVI401 3BSE018732R1
ABB PFVI401 3BSE018732R1
ABB PFVI401 3BSE018732R1
ABB PFVI401 3BSE018732R1

ABB PFVI401 3BSE018732R1 | Industrial DCS Voltage/Current Signal Acquisition Unit

  • Brand: ABB
  • Model: PFVI401
  • Product Code: 3BSE018732R1
  • Product Type: Analog Input Module
  • Series: Advant OCS (Advanced Open Control System)
  • Core Function: Acquires 8-channel analog signals (voltage/current) from field sensors, conditions noise, and transmits digitized data to Advant OCS controllers for process control logic execution.
  • Key Specs: 8 isolated channels, 4-20mA/0-10V/±10V input support, 1500VAC isolation, ≤10ms response time, -25°C to +60°C operating temperature, hot-swappable design.
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Part number: ABB PFVI401 3BSE018732R1
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Description

PFVI401 3BSE018732R1: Product Overview
The ABB PFVI401 (3BSE018732R1) is an 8-channel analog input module within ABB’s Advant OCS (Advanced Open Control System) series, designed for integration into Advant OCS I/O racks to serve as a front-end interface for analog signal acquisition. Its primary role is to convert low-level signals from industrial sensors—such as pressure transmitters (4-20mA), voltage-based temperature sensors (0-10V), or precision measurement devices (±10V)—into digital data that Advant OCS controllers (e.g., AC410) can process for closed-loop control. For continuous process industries like chemical manufacturing, power generation, and water treatment, it ensures accurate representation of critical process variables, where signal fidelity directly impacts product quality and safety.
Functionally, the module processes inputs from 8 independent channels, each configurable for 4-20mA (current loop), 0-10V (unipolar voltage), or ±10V (bipolar voltage) signals. It employs galvanic isolation (1500VAC) to prevent ground loops and electromagnetic interference (EMI) from distorting data, a necessity in electrically noisy environments. Communication with the controller occurs via the Advant OCS backplane, supporting cyclic data exchange for real-time control and acyclic messages for diagnostics. As part of the Advant OCS family, the module leverages the platform’s modular architecture, hot-swappable components, and compatibility with legacy engineering tools like Control Builder. Benefits include simplified system expansion, reduced wiring complexity, and unified configuration workflows across I/O racks.

ABB PFVI401 3BSE018732R1

ABB PFVI401 3BSE018732R1

PFVI401 3BSE018732R1: Technical Specifications
  • Model Number: PFVI401
  • Product Code: 3BSE018732R1
  • Manufacturer: ABB
  • Product Type: Analog Input Module
  • Number of Channels: 8 (individually isolated)
  • Input Signal Types: 4-20mA (current loop), 0-10V (unipolar voltage), ±10V (bipolar voltage)
  • Input Range: 4-20mA (±0.1% accuracy), 0-10V (±0.05% accuracy), ±10V (±0.05% accuracy)
  • Isolation Voltage: 1500VAC (channel-to-channel, channel-to-bus)
  • Signal Response Time: <10 ms (input change to controller update)
  • Operating Temperature: -25°C to +60°C
  • Humidity Range: 5% to 95% non-condensing
  • Power Supply: 24V DC (from Advant OCS rack backplane, 18-32V DC range)
  • Power Consumption: 1.5W (typical, all channels active)
  • Dimensions: 245mm x 135mm x 115mm (width x height x depth, fits Advant OCS rack)
  • Weight: 0.35kg
  • Certifications: CE, UL, cULus, RoHS
Core Features & Customer Value​
The PFVI401 3BSE018732R1 is engineered to prioritize signal integrity and operational efficiency for industrial automation engineers. Its 8-channel density reduces cabinet footprint compared to lower-density analog modules, minimizing wiring complexity in systems with multiple sensors (e.g., a distillation column requiring 6 pressure and 2 temperature inputs). For a water treatment plant, this means fewer modules to mount and calibrate, streamlining initial installation.
Galvanic isolation (1500VAC) is critical for rejecting EMI from high-power equipment like VFDs or motors. In chemical plants with agitators, induced noise can skew analog readings, leading to incorrect control actions. The module’s isolation ensures pH, flow, or level measurements are transmitted accurately—vital for preventing chemical overdosing or reactor instability. Per-channel open/short-circuit detection further safeguards against sensor or wiring faults.
Built-in diagnostics enhance maintenance efficiency. The module monitors channel faults (signal saturation, open/short circuit), power supply health, and communication status, reporting issues to the Advant OCS controller via LED indicators and software logs. For maintenance teams, this reduces troubleshooting time from hours to minutes; a failed pressure transmitter in an oil refinery can be identified without invasive testing.
Hot-swap capability allows replacement without system shutdown, critical for continuous processes like power generation. Technicians remove the faulty module and install a new one; the controller automatically reloads configuration data, eliminating scheduled downtime. Integration with legacy engineering tools enables engineers to reuse analog channel profiles across projects, cutting commissioning time by 15-20%.

ABB PFVI401 3BSE018732R1

ABB PFVI401 3BSE018732R1

Typical Applications​
The ABB PFVI401 3BSE018732R1 is deployed in Advant OCS environments requiring analog signal acquisition. In a petroleum refinery’s catalytic reformer, it connects 8 pressure transmitters (4-20mA) to the Advant OCS controller, monitoring hydrogen-to-hydrocarbon ratios for octane optimization. The 1500VAC isolation withstands EMI from nearby compressors, ensuring reliable data for control valve adjustments.
At a chemical plant’s batch reactor, the module acquires 4 temperature sensor signals (0-10V) and 4 flow meter outputs (4-20mA). Its -25°C cold-start capability supports winter startups, and hot-swap functionality allows maintenance during planned turnarounds without halting reactions.
In a municipal wastewater treatment facility, the PFVI401 interfaces with 6 dissolved oxygen sensors (4-20mA) and 2 turbidity meters (0-10V) across aeration basins. Data is transmitted to the Advant OCS controller for blower speed adjustment, with the module’s compact size (245x135x115mm) fitting into space-constrained I/O racks.

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