The ABB PFEA111-65 (order code 3BSE050090R65) is a high-performance, 16-channel analog input (AI) module engineered for ABB’s System 800xA and AC 800M distributed control platforms. It delivers exceptional signal fidelity for critical process variables such as temperature, pressure, and flow by supporting universal inputs (4–20 mA, 0–20 mA, ±10 V) with built-in HART communication pass-through. Designed for reliability in demanding industrial settings, the ABB PFEA111-65 combines high channel density, galvanic isolation, and advanced diagnostics to ensure accurate, safe, and maintainable data acquisition.
Application Scenarios
At a North Sea offshore platform, operators struggled with inconsistent readings from subsea pressure transmitters due to electromagnetic interference from variable-speed drives and long cable runs. After replacing legacy AI cards with the ABB PFEA111-65. they leveraged its 250 V channel-to-channel isolation and integrated HART support to stabilize signals and enable remote calibration—without interrupting production. The result? A 40% reduction in false alarms and elimination of weekly manual transmitter checks. In this high-stakes environment, the ABB PFEA111-65 didn’t just improve data quality—it enhanced operational safety and reduced maintenance exposure in one of the world’s most hostile workplaces.
Parameter
Technical Principles and Innovative Values
Innovation Point 1: Per-Channel Software Configurability
Unlike fixed-input modules, each of the 16 channels on the ABB PFEA111-65 can be independently set to 4–20 mA, 0–20 mA, or ±10 V via Control Builder M—eliminating hardware swaps during engineering changes or retrofits.
Innovation Point 2: True Channel-to-Channel Isolation
Each input path features independent isolation barriers, preventing ground loops and fault propagation. This is critical in mixed-voltage plants where thermocouples, RTDs, and 4–20 mA devices share the same I/O station.
Innovation Point 3: Native HART Multiplexing Without External Hardware
The ABB PFEA111-65 allows HART digital communication to coexist with analog signals on every current loop. Engineers can perform online device diagnostics or trim smart transmitters directly through the 800xA asset view—no need for separate HART modems.
Innovation Point 4: Ultra-Low Drift & High Common-Mode Rejection
With <±25 ppm/°C thermal drift and >120 dB CMRR, the ABB PFEA111-65 maintains accuracy even in electrically noisy environments like motor control centers or switchyards.
Application Cases and Industry Value
In a pharmaceutical manufacturing facility compliant with FDA 21 CFR Part 11. the ABB PFEA111-65 was deployed across 12 bioreactor skids to monitor pH, dissolved oxygen, and jacket temperature. The module’s ±0.05% accuracy and audit-ready diagnostic logs (recording signal validity, open-circuit events, and HART status) became essential for regulatory validation. Over two years, zero batch rejections occurred due to sensor data anomalies—attributed to the ABB PFEA111-65’s stable signal conditioning and traceable performance. Maintenance teams also reported a 60% drop in calibration labor thanks to remote HART access, accelerating changeover between product campaigns.
Related Product Combination Solutions
ABB AC 800M PM866A: Redundant controller that pairs with ABB PFEA111-65 for SIL 2 safety applications.
ABB TB850: Remote I/O rack offering hot-swap support and extended temperature tolerance for ABB PFEA111-65.
ABB PFEA112: 8-channel version with higher isolation voltage (500 V)—ideal for high-potential measurement.
ABB CI854A: PROFIBUS DP interface enabling ABB PFEA111-65 integration into non-redundant 800xA networks.
ABB AO810: Analog output module for closed-loop control using signals acquired by ABB PFEA111-65.
ABB SA811: Surge suppression module recommended for protecting ABB PFEA111-65 inputs in lightning-prone areas.
ABB Control Builder M: Engineering environment for configuring input ranges, alarm limits, and HART parameters on ABB PFEA111-65.
ABB 3BSE050091R65 (PFEA111-65 Spare): Factory-matched spare unit ensuring seamless replacement without recalibration.
Installation, Maintenance, and Full-Cycle Support
Installing the ABB PFEA111-65 is straightforward: insert it into a TB840/TB850 rack, connect field wiring to spring-clamp terminals, and configure channel types in Control Builder M—no jumpers or DIP switches required. Its wide operating temperature (-25°C to +70°C) allows deployment in unventilated enclosures near furnaces or in arctic climates. For SIL 2 applications, the module supports redundant pairing with automatic cross-channel comparison.
Maintenance is simplified by front-panel LEDs indicating power, module status, and individual channel faults (e.g., open circuit, overrange). Advanced diagnostics—including signal validity flags and HART communication logs—are accessible via 800xA’s Asset Portal, enabling predictive servicing. We supply only genuine ABB PFEA111-65 units (3BSE050090R65), each tested for accuracy, isolation integrity, and HART functionality before shipment. Every module comes with a 12-month warranty and full traceability documentation. Our certified automation engineers provide remote commissioning support, including signal validation and redundancy testing, to ensure your process data remains trustworthy from startup through decades of operation.
Contact us for a customized solution—whether you’re scaling a new 800xA system or modernizing legacy analog infrastructure, the ABB PFEA111-65 delivers precision, resilience, and intelligence where it matters most.
