BERGER LAHR BLC382TCPUC1S LX800 Controller

Technical Dossier

Product Details And Specifications

BERGER LAHR LX800 Series: Comprehensive Module Range and Technical Overview

The BERGER LAHR LX800 series represents a mature generation of motion control and programmable logic controller platforms developed by Berger Lahr (subsequently integrated into the Schneider Electric / IMS portfolio). Deployed extensively across heavy industrial environments — including petrochemical refineries, chemical processing plants, nuclear auxiliary systems, and continuous-process manufacturing lines — the LX800 platform established a long-term installed base throughout Europe, Asia-Pacific, and the Americas from the late 1990s through the 2010s. Its modular backplane architecture, deterministic scan-cycle execution, and compatibility with SERCOS and CANopen fieldbus protocols made it a preferred choice for coordinated multi-axis motion applications requiring high positional accuracy and synchronized I/O response. The BLC382TCPUC1S controller module remains one of the most referenced spare parts within this installed base, serving as the central processing unit for LX800 rack configurations.

The Evolution of LX800 Architecture

The LX800 platform was introduced by BERGER LAHR as a successor to earlier BLC3xx-series motion controllers, consolidating axis control, PLC logic, and fieldbus communication into a unified rack-based system. Early revisions relied on proprietary backplane communication at fixed baud rates with limited hot-swap capability. Mid-generation revisions introduced TCP/IP-capable CPU variants (reflected in the TCPUC designation of the BLC382TCPUC1S), enabling Ethernet-based programming, remote diagnostics, and integration with SCADA systems via Modbus TCP. Late-generation firmware updates extended compatibility with IEC 61131-3 structured text and function block diagram programming environments. As Schneider Electric absorbed the Berger Lahr product line, the LX800 series entered a managed end-of-life phase; new installations migrated toward the Lexium and Modicon M340/M580 platforms. However, the LX800 installed base remains active in facilities where full system replacement is cost-prohibitive, creating sustained demand for original spare modules including the BLC382TCPUC1S.

LX800 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within the BERGER LAHR LX800 ecosystem, classified by functional category:

Controllers / CPU Modules

• BLC382TCPUC1S: LX800 TCP/IP CPU controller, single-axis, Ethernet port
• BLC382TCPUC2S: LX800 dual-axis TCP/IP CPU, extended memory, SERCOS interface
• BLC302CPUC1S: LX800 standard CPU module, CANopen master, 256KB program memory
• BLC302CPUC2S: LX800 enhanced CPU, dual CANopen channels, 512KB program memory
• BLC312CPUC1S: LX800 compact CPU, single fieldbus port, DIN-rail compatible

Digital I/O Modules

• BLC382DI16S: 16-channel 24VDC digital input, sink/source configurable
• BLC382DO16S: 16-channel 24VDC digital output, 0.5A per channel
• BLC382DI32S: 32-channel digital input, high-density backplane format
• BLC382DO32S: 32-channel digital output, short-circuit protected, LED per channel
• BLC382DIO16S: Mixed 8DI/8DO module, configurable per channel group

Analog I/O Modules

• BLC382AI8S: 8-channel analog input, ±10V / 0–20mA selectable, 12-bit resolution
• BLC382AO4S: 4-channel analog output, 0–10V / 4–20mA, 12-bit DAC
• BLC382AI4AO2S: Combined 4AI/2AO module, process signal conditioning integrated

Communication & Fieldbus Adapters

• BLC382PROFIS: PROFIBUS-DP slave adapter for LX800 backplane, up to 12Mbps
• BLC382DEVNS: DeviceNet adapter module, Group 2 slave, 500kbps
• BLC382ETHS: Standalone Ethernet TCP/IP communication module, Modbus TCP server

Power Supply Modules

• BLC382PS24S: 24VDC rack power supply, 10A output, redundancy-capable
• BLC382PS48S: 48VDC power supply module, wide-input 85–264VAC

Sourcing Hard-to-Find & Obsolete LX800 Parts

Quality Control for the LX800 Range

LX800 modules present specific test challenges due to their proprietary backplane communication protocol and multi-layer PCB construction. DriveKNMS applies a structured verification process for all LX800 units prior to dispatch: (1) Visual inspection for capacitor degradation, relay contact wear, and conformal coating integrity on the BLC382TCPUC1S and peer CPU modules. (2) Powered bench test using a reference LX800 rack with known-good backplane, verifying boot sequence completion, firmware version readout, and Ethernet port negotiation for TCPUC variants. (3) I/O functional test: all digital and analog channels verified against datasheet specifications using calibrated signal sources and loads. (4) Fieldbus loopback test for communication adapter modules (PROFIBUS, DeviceNet, Ethernet). (5) 48-hour burn-in cycle at rated operating temperature for CPU and power supply modules. All units ship with a test report and 12-month warranty against functional failure.