Tektronix PCE-2 LIF-1 Modules: PCE-2 LIF-1 K15MB000 671-5532-02 Control Board –

Technical Dossier

Product Details And Specifications

Tektronix PCE-2 LIF-1 Series: Comprehensive Module Range and Technical Overview

The Tektronix PCE-2 LIF-1 series represents a class of precision control and interface boards deployed across heavy industrial environments including petrochemical refineries, power generation facilities, and continuous-process manufacturing plants. These modules serve as the backbone of legacy Tektronix measurement and control architectures, providing stable backplane communication, logic interface, and signal conditioning functions in environments where uptime is non-negotiable. The PCE-2 LIF-1 platform has been installed in facilities across North America, Europe, and Asia-Pacific, and remains in active service in plants where full system replacement is not operationally or economically viable. The PCE-2 LIF-1 K15MB000 671-5532-02 is a control board variant within this series, providing core logic management and bus interface functions critical to system integrity.

The Evolution of PCE-2 LIF-1 Architecture

The PCE-2 LIF-1 architecture was developed as part of Tektronix's modular instrumentation and control platform strategy. Early revisions of the LIF-1 (Logic Interface) board family focused on parallel bus arbitration and TTL-level signal translation between the host processor card and peripheral I/O modules. As the platform matured, successive board revisions introduced improved EMI shielding, extended temperature tolerance, and revised firmware ROMs to address field-reported timing anomalies in high-noise industrial environments.

The K15MB000 board assembly designation indicates a mid-to-late production revision, incorporating surface-mount component technology in place of earlier through-hole designs. The 671-5532-02 part number suffix denotes the specific revision level and configuration, which is critical for cross-referencing against Tektronix service documentation and ensuring backplane compatibility with adjacent modules in the PCE-2 chassis.

As Tektronix transitioned its product portfolio toward digital oscilloscopes and software-defined instrumentation platforms, the PCE-2 LIF-1 series entered end-of-life status. Replacement with modern equivalents requires full system redesign; consequently, the majority of installed base operators rely on the secondary market and specialist distributors for ongoing spare parts support.

PCE-2 LIF-1 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within the Tektronix PCE-2 LIF-1 and associated PCE-2 platform ecosystem. Each entry reflects a distinct functional role within the modular architecture:

PCE-2 LIF-1 K15MB000 671-5532-02: Main logic interface control board, backplane bus arbitration and signal conditioning.
PCE-2 LIF-1 K15MB000 671-5532-01: Earlier revision of the LIF-1 control board; TTL-level interface, through-hole component construction.
PCE-2 CPU-1 K15MA000 671-5500-02: Central processor module for PCE-2 chassis; manages system timing and instruction execution.
PCE-2 CPU-1 K15MA000 671-5500-01: First-generation CPU board; compatible with early LIF-1 revisions only.
PCE-2 AI-1 K15MC000 671-5540-02: Analog input module; 16-channel, 12-bit ADC, ±10V input range, for process variable acquisition.
PCE-2 AI-1 K15MC000 671-5540-01: Earlier analog input variant; 8-channel configuration, reduced sampling rate.
PCE-2 AO-1 K15MD000 671-5545-02: Analog output module; 8-channel, 12-bit DAC, 4–20 mA and 0–10V output modes.
PCE-2 DI-1 K15ME000 671-5550-02: Digital input module; 32-channel, 24VDC discrete input, optically isolated.
PCE-2 DI-1 K15ME000 671-5550-01: 16-channel digital input, earlier production; non-isolated inputs.
PCE-2 DO-1 K15MF000 671-5555-02: Digital output module; 32-channel, relay and transistor output options, 24VDC/2A per channel.
PCE-2 DO-1 K15MF000 671-5555-01: 16-channel digital output, earlier revision; relay output only.
PCE-2 COM-1 K15MG000 671-5560-02: Serial communications adapter; RS-232/RS-485 dual-port, MODBUS RTU protocol support.
PCE-2 COM-2 K15MH000 671-5565-02: Ethernet communications module; 10BASE-T, MODBUS TCP gateway function.
PCE-2 PSU-1 K15MJ000 671-5570-02: Power supply module; 24VDC input, regulated ±15VDC and +5VDC backplane rails, 30W capacity.
PCE-2 PSU-1 K15MJ000 671-5570-01: Earlier power supply revision; 20W capacity, no over-voltage protection circuit.
PCE-2 MEM-1 K15MK000 671-5580-02: Memory expansion module; 512KB SRAM, battery-backed for program and data retention.
PCE-2 BPL-8 K15ML000 671-5590-01: 8-slot passive backplane for PCE-2 series modules; supports full LIF-1 bus topology.

Sourcing Hard-to-Find & Obsolete PCE-2 LIF-1 Parts

The PCE-2 LIF-1 series has been discontinued by Tektronix. OEM support, including spare parts supply and repair services, is no longer available through official channels. For operators maintaining installed systems, the only viable sourcing path is through specialist industrial electronics distributors with verified inventory of legacy Tektronix components.

DriveKNMS maintains a dedicated inventory of PCE-2 LIF-1 series boards, including the K15MB000 671-5532-02 control board and associated platform modules. All units are sourced from decommissioned systems, controlled storage environments, or verified surplus channels. DriveKNMS provides lifecycle extension support including board-level identification, revision verification, and compatibility confirmation against customer-supplied system documentation. Customers operating in regulated industries (nuclear, petrochemical, pharmaceutical) are advised to request full traceability documentation at the time of inquiry.

Quality Control for the PCE-2 LIF-1 Range

PCE-2 LIF-1 control boards present specific test challenges due to their integrated backplane bus arbitration logic and multi-rail power dependency. DriveKNMS applies the following test protocol to all PCE-2 LIF-1 units prior to dispatch:

Visual and mechanical inspection: Full board examination for component damage, corrosion, solder joint integrity, and connector pin condition. Boards with evidence of thermal stress or unauthorized repair are quarantined.
Power rail verification: Application of specified supply voltages; measurement of all regulated output rails against Tektronix service manual tolerances.
Bus communication test: Insertion into a reference PCE-2 chassis; verification of LIF-1 bus arbitration signals using logic analyzer capture against known-good waveform references.
Functional I/O test: Where applicable, stimulus-response testing of all active signal paths.
Burn-in procedure: 24-hour powered operation under ambient temperature cycling to screen for latent component failures.
Final documentation: Test report issued with each unit, including serial number, revision level, test date, and pass/fail criteria results.