GE Whedco TGT Series Modules

Technical Dossier

Product Details And Specifications

GE Whedco TGT Series: Comprehensive Module Range and Technical Overview

The GE Whedco TGT Series represents a dedicated line of servo power and motion control modules engineered for high-demand industrial environments. Deployed extensively across chemical processing plants, oil refineries, nuclear power facilities, and heavy manufacturing lines, the TGT Series has established a significant installed base in applications requiring precise multi-axis servo coordination. The series interfaces directly with GE Whedco's motion control architecture, providing regulated DC bus power, axis-level drive conditioning, and fault-tolerant operation under continuous industrial duty cycles. Its modular form factor allows integration into existing GE motion control cabinets without full system replacement, making it a preferred choice for lifecycle extension programs in brownfield facilities.

The Evolution of TGT Series Architecture

The GE Whedco TGT Series was developed as part of GE's broader motion control platform strategy, targeting multi-axis servo applications in industrial automation. Early TGT configurations focused on single-axis power delivery with basic fault detection. Subsequent revisions introduced enhanced bus communication protocols, improved thermal management, and expanded compatibility with GE's CNC and PLC control layers. The TGT-3X6L-1-0-BD variant represents a mature mid-generation design featuring a 3-axis power architecture with integrated bus drive (BD suffix), optimized for coordinated motion in machine tool and process line applications. As GE's motion control portfolio evolved toward newer digital drive platforms, the TGT Series transitioned into a maintenance and lifecycle support phase. Facilities running legacy GE Whedco motion systems continue to depend on TGT modules for uptime continuity, as full system migration carries significant capital and downtime costs. Compatibility considerations include backplane connector standards, DC bus voltage ratings, and axis count configurations — all of which vary across TGT sub-variants and must be verified against the host system's revision level before substitution.

TGT Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the GE Whedco TGT Series, classified by function. Each entry reflects a distinct hardware configuration. Substitution between variants requires engineering review.

Servo Power Modules

• TGT-3X6L-1-0-BD: 3-axis servo power module, integrated bus drive, standard voltage rating
• TGT-3X6L-2-0-BD: 3-axis servo power module, revision 2, enhanced fault diagnostics
• TGT-3X6L-1-1-BD: 3-axis servo power, variant 1-1, modified thermal dissipation profile
• TGT-2X6L-1-0-BD: 2-axis servo power module, bus drive integrated, reduced axis count
• TGT-4X6L-1-0-BD: 4-axis servo power module, expanded multi-axis coordination
• TGT-3X9L-1-0-BD: 3-axis high-current servo power, 9L frame, heavy-duty applications
• TGT-3X6L-1-0-SD: 3-axis servo power, standalone drive (SD) configuration, no bus integration
• TGT-3X6L-1-0-ND: 3-axis servo power, no drive (ND) suffix, external drive required

Axis Drive & Control Modules

• TGT-AX1-6A: Single-axis drive module, 6A continuous output, servo loop control
• TGT-AX2-6A: Dual-axis drive module, 6A per axis, coordinated motion support
• TGT-AX1-12A: Single-axis drive, 12A rating, high-torque servo applications
• TGT-AX3-6A: 3-axis drive module, 6A per axis, matched to TGT-3X6L power modules

Power Supply & Bus Interface Modules

• TGT-PSU-24V: 24VDC auxiliary power supply module for TGT backplane systems
• TGT-BUS-INT-1: Backplane bus interface module, revision 1, GE Whedco motion bus protocol
• TGT-BUS-INT-2: Backplane bus interface, revision 2, extended node addressing
• TGT-COMM-SER: Serial communication adapter for TGT Series, RS-232/RS-422 interface

Sourcing Hard-to-Find & Obsolete TGT Series Parts

The GE Whedco TGT Series has entered a mature lifecycle phase. OEM production of select variants has been discontinued, and standard distribution channels no longer carry full catalog coverage. DriveKNMS maintains a dedicated inventory program for TGT Series modules, sourced through verified industrial surplus channels, decommissioned equipment recovery, and long-term stocking agreements. All units are inspected prior to listing. For facilities operating legacy GE Whedco motion systems, DriveKNMS provides: direct replacement sourcing for discontinued TGT variants, cross-reference support to identify compatible substitute models, and emergency fulfillment for unplanned downtime events. Customers are advised to provide the full part number including suffix codes (e.g., -BD, -SD, -ND) and the host system revision when requesting quotes, as these details determine electrical and mechanical compatibility.

Quality Control for the TGT Series Range

TGT Series modules incorporate multi-layer backplane connectors and proprietary bus communication circuits that require specialized test procedures beyond standard power-on verification. DriveKNMS applies the following quality control steps to all TGT Series units: visual inspection of backplane connector pins for deformation, corrosion, and contact wear; DC bus voltage output verification under load conditions matching the module's rated axis count; axis drive channel isolation testing to confirm no cross-channel leakage; bus communication protocol handshake verification using GE Whedco-compatible test equipment; thermal cycling assessment for units sourced from high-ambient-temperature environments; and firmware/hardware revision identification to confirm compatibility with the customer's host system version. Units that do not pass all stages are quarantined and not offered for sale.