Endress+Hauser 319100-0200B PC Board

Technical Dossier

Product Details And Specifications

Endress+Hauser 319100 Series: Comprehensive Module Range and Technical Overview

The Endress+Hauser 319100 series of PC boards occupies a critical position in global heavy-industry instrumentation infrastructure. These printed circuit boards serve as the core electronic assemblies within Endress+Hauser transmitters, analyzers, and field instruments deployed across chemical processing plants, nuclear facilities, oil refineries, and water treatment installations. The 319100 board family underpins signal conditioning, power regulation, communication interfacing, and measurement processing functions in instruments that operate continuously under demanding process conditions. Installed base across petrochemical and energy sectors spans multiple decades, making long-term spare parts availability a primary operational concern for maintenance engineers and reliability teams.

The Evolution of 319100 Architecture

The 319100 board series reflects the progressive development of Endress+Hauser's modular electronics platform from the late 1990s through the 2010s. Early revisions (suffix -0100x) used through-hole component technology with discrete analog signal chains, designed for 4–20 mA HART communication in two-wire transmitter configurations. Mid-generation revisions introduced surface-mount technology (SMT), improving component density and reducing susceptibility to vibration-induced failure in heavy industrial environments. Later suffix variants (-0200x, -0300x) incorporated enhanced EMC shielding, revised power supply topologies, and updated firmware-compatible microcontroller units to support PROFIBUS PA and Foundation Fieldbus H1 communication layers. Compatibility between suffix generations is not universal: board substitution requires verification of instrument firmware version, housing variant, and terminal block configuration. Instruments manufactured before 2005 may require adapter harnesses when retrofitting later board revisions. The series has entered the mature/end-of-active-production phase; Endress+Hauser no longer lists these boards as standard catalog items, making third-party spare parts distributors the primary sourcing channel for maintenance and emergency replacement.

319100 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified part numbers within the Endress+Hauser 319100 PC board family, organized by functional category:

Measurement & Signal Processing Boards

• 319100-0100A: Primary analog input board, 4–20 mA HART, single-channel signal conditioning for pressure transmitters.
• 319100-0100B: Revised analog input board with improved ADC resolution; replaces -0100A in Cerabar S series.
• 319100-0200A: Dual-channel measurement board for differential pressure applications; supports HART 5.x protocol.
• 319100-0200B: Updated dual-channel PC board with SMT layout; enhanced EMC compliance; used in Deltabar and Cerabar M transmitters.
• 319100-0200C: Variant of -0200B with extended temperature range (-40°C to +85°C); for arctic and high-heat process environments.
• 319100-0300A: Three-channel signal board for multivariable transmitters; supports simultaneous pressure, temperature, and flow measurement.
• 319100-0300B: Revised -0300A with PROFIBUS PA communication stack integrated on-board.

Power Supply & Regulation Boards

• 319100-0400A: DC/DC converter board, 10.5–45 VDC input, regulated 5 V and 3.3 V rails for instrument electronics.
• 319100-0400B: Updated power board with reverse polarity protection and improved ripple rejection; direct replacement for -0400A.
• 319100-0500A: Intrinsically safe power supply board, ATEX/IECEx certified, for Zone 1 hazardous area installations.

Communication & Interface Boards

• 319100-0600A: HART modem interface board; provides FSK signal modulation for handheld communicator connectivity.
• 319100-0600B: Foundation Fieldbus H1 communication board; replaces HART interface in FF-configured instruments.
• 319100-0700A: PROFIBUS PA interface board; supports GSD file-based device integration into Siemens and ABB DCS platforms.
• 319100-0700B: Revised PROFIBUS PA board with extended diagnostic messaging and acyclic data support.

Display & Operator Interface Boards

• 319100-0800A: Local display driver board; interfaces with 4-line LCD module in field housing configurations.
• 319100-0900A: Backplane interconnect board; routes power and signal buses between stacked module assemblies in multi-board housings.

Sourcing Hard-to-Find & Obsolete 319100 Parts

Quality Control for the 319100 Range

The 319100 board series presents specific test challenges due to its multi-layer PCB construction, precision analog front-end circuitry, and integrated communication protocol stacks. DriveKNMS applies the following verification procedures to all 319100 units prior to shipment:

• Visual inspection: 10× magnification examination of solder joints, component seating, and conformal coating integrity across all board surfaces.
• Power-on functional test: Board is energized at rated supply voltage; all regulated output rails are measured against OEM specification tolerances (±2%).
• Analog signal chain verification: A calibrated 4–20 mA signal source is applied to input terminals; output linearity and zero/span accuracy are confirmed against factory calibration data.
• Communication protocol test: HART, PROFIBUS PA, or Foundation Fieldbus communication (as applicable to the specific suffix variant) is verified using a protocol analyzer; device identity, diagnostic registers, and cyclic data exchange are confirmed.
• Backplane bus integrity check: For boards with backplane connectors, contact resistance and signal continuity across all bus pins are measured to detect intermittent connector faults common in aged units.
• Burn-in cycle: Units are operated at elevated ambient temperature (55°C) for a minimum of 4 hours to screen for early-life component failures before shipment.

© 2026 DriveKNMS. All trademarks belong to their respective owners. Specifications are for reference only and subject to change without notice. Verify all parameters against official documentation before installation.