ELMO G-BAS3 Servo Drives: 1080-01514 G-BAS3/230FEHN-A3 VME-7671-421000 605-048878-001 200877 IC-KP2-2HB17-2V1D

Technical Dossier

Product Details And Specifications

ELMO G-BAS3 Series: Comprehensive Module Range and Technical Overview

The ELMO G-BAS3 series represents a line of high-performance servo drives engineered for precision motion control in demanding industrial environments. Deployed extensively across chemical processing plants, nuclear power facilities, oil refineries, and heavy manufacturing lines, the G-BAS3 platform has established a significant installed base in VME-bus-based motion control architectures. These drives are designed to interface with VME backplane systems, providing deterministic real-time control of AC and DC servo motors in multi-axis configurations. The series supports a wide input voltage range (up to 230V AC) and is rated for continuous operation in industrial-grade thermal and EMI environments. Its modular form factor and standardized VME-7671 interface made it a preferred choice for system integrators building large-scale motion control cabinets in the 1990s through the 2010s.

The Evolution of G-BAS3 Architecture

The G-BAS3 architecture was developed by ELMO Motion Control (Israel) as part of their Gold series intelligent servo drive platform. Early iterations of the G-BAS3 were designed around analog command interfaces and RS-232/RS-485 communication, targeting VME-bus industrial computers prevalent in the late 1990s. The VME-7671 sub-assembly designation identifies the specific VME carrier board variant used in this series, providing the physical and electrical interface between the servo amplifier and the VME backplane.

Over successive hardware revisions, ELMO introduced enhanced current loop bandwidth, improved thermal management, and expanded firmware feature sets including advanced camming, gearing, and PVT (Position-Velocity-Time) motion profiles. The G-BAS3/230FEHN-A3 variant specifically denotes a 230V AC input, single-axis, high-current output configuration with the FEHN (Full Enhanced) firmware package and A3 hardware revision. The IC-KP2-2HB17-2V1D designation refers to the integrated keypad/display and I/O expansion module bundled with this drive assembly.

As VME-bus systems have progressively been superseded by EtherCAT, SERCOS III, and EtherNet/IP-based motion platforms, the G-BAS3 series has entered its end-of-life phase. ELMO's current Gold Drum, Gold Twitter, and Platinum line represent the modern successors. However, the G-BAS3 remains in active service at numerous legacy installations where full system replacement is cost-prohibitive, making spare part availability a critical operational requirement.

G-BAS3 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the ELMO G-BAS3 and closely associated Gold series VME platform. Each entry reflects a distinct functional configuration:

1080-01514: Assembly reference number for the complete G-BAS3 drive unit as shipped
G-BAS3/230FEHN-A3: 230VAC input, full-enhanced firmware, A3 hardware revision, single-axis servo amplifier
VME-7671-421000: VME carrier board assembly, 6U form factor, dual-slot, for G-BAS3 integration
605-048878-001: Internal sub-assembly part number, power stage PCB for 230V G-BAS3 variant
200877: ELMO internal BOM reference for the G-BAS3 control board assembly
IC-KP2-2HB17-2V1D: Integrated keypad module with 2-axis Hall-effect encoder input and dual voltage digital I/O
G-BAS3/100FEHN-A3: 100VAC input variant of the G-BAS3, full-enhanced firmware, A3 revision
G-BAS3/230FEHN-A2: 230VAC input, full-enhanced firmware, A2 hardware revision (prior generation)
G-BAS3/230SEHN-A3: 230VAC input, standard-enhanced firmware, A3 revision, reduced feature set
G-BAS3/48FEHN-A3: 48VDC input variant for low-voltage servo applications
VME-7671-420000: Earlier VME carrier board revision, single-slot, compatible with G-BAS3/100 variants
G-BAS3/230FEHN-B1: B1 hardware revision with updated gate driver circuitry and improved fault diagnostics
IC-KP2-2HB17-1V1D: Single-voltage digital I/O variant of the IC-KP2 keypad/expansion module
G-BAS3/230FEHN-A3-CAT: G-BAS3 variant with CANopen over EtherCAT gateway firmware pre-loaded
605-048878-002: Revised power stage PCB sub-assembly, incorporating updated IGBT module for improved thermal performance
G-BAS3/230FEHN-A3-RS: G-BAS3 with SERCOS II fiber-optic interface option
VME-7671-422000: High-density VME carrier supporting up to 4 G-BAS3 axes per chassis slot pair

Sourcing Hard-to-Find & Obsolete G-BAS3 Parts

The G-BAS3 series has been discontinued by ELMO Motion Control, with official factory support and spare parts supply having ceased. For facilities operating VME-based motion control systems built around this platform, DriveKNMS provides lifecycle extension sourcing services. Our inventory includes new-old-stock (NOS), refurbished, and tested-serviceable units across the G-BAS3 model range, including the VME-7671 carrier boards and IC-KP2 expansion modules that are frequently the first components to fail in aging installations.

DriveKNMS maintains a global procurement network specifically targeting industrial surplus, decommissioned equipment, and OEM overstock channels. For obsolete sub-assemblies such as the 605-048878-001 power stage PCB and the 200877 control board, we offer board-level repair services in addition to direct unit replacement. Customers operating chemical plants, nuclear facilities, or continuous-process refineries where unplanned downtime carries significant financial and safety consequences are encouraged to establish a standing spare parts agreement with DriveKNMS to ensure rapid response availability.

Quality Control for the G-BAS3 Range

All G-BAS3 units processed by DriveKNMS undergo a structured inspection and functional test protocol tailored to the specific electrical and firmware characteristics of the ELMO Gold series VME platform. The test procedure includes: incoming visual inspection for physical damage to the VME edge connector, power stage components, and keypad module; insulation resistance testing of the power input stage at rated voltage; dynamic load testing using a matched servo motor and inertia load to verify current loop response, velocity loop bandwidth, and position accuracy; VME backplane communication verification using a compatible VME controller to confirm register-level command and status exchange; and firmware version identification and compatibility logging against the customer's system requirements.

For units with the IC-KP2-2HB17-2V1D expansion module, additional testing covers the Hall-effect encoder input channels and digital I/O voltage levels. Units that do not meet ELMO's original published specifications are either repaired to specification or clearly classified as-is with documented fault conditions. All tested units are issued a DriveKNMS inspection certificate with test date, technician ID, and measured performance parameters.