Yaskawa SGDR Series Modules PX7DS-40V6-R(125V 1A) SGDR-SDA71A01B SGDR-SDA71A01BY32 JZMQZ-TB40D-E Servo Controller

Name: Yaskawa SGDR Series Modules PX7DS-40V6-R(125V 1A) SGDR-SDA71A01B SGDR-SDA71A01BY32 JZMQZ-TB40D-E Servo Controller
Brand: Yaskawa

Model: PX7DS-40V6-R(125v 1A) SGDR-SDA71A01B SGDR-SDA71A01BY32 JZMQZ-TB40D-E

Brand Yaskawa

Series SGDR Series

Model PX7DS-40V6-R(125v 1A) SGDR-SDA71A01B SGDR-SDA71A01BY32 JZMQZ-TB40D-E

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Technical Dossier

Product Details And Specifications

Yaskawa SGDR Series Technical Notes

The Yaskawa SGDR series represents a mature generation of AC servo drives and associated control modules deployed extensively across global heavy industry. Installations span petrochemical refineries, nuclear power auxiliary systems, offshore platform control infrastructure, and continuous-process chemical plants. The series operates within Yaskawa's broader Sigma servo ecosystem and is characterized by high-resolution encoder feedback compatibility, multi-axis synchronization capability, and robust EMC shielding suited to electrically noisy industrial environments. Field service records from major EPC contractors confirm SGDR-series units remain embedded in long-lifecycle plant assets with design lives exceeding 20 years, making spare parts availability a critical operational concern.

The Evolution of SGDR Architecture

The SGDR designation covers Yaskawa's servo drive and servo pack modules produced primarily from the mid-1990s through the 2010s. Early SGDR units used analog command interfaces (±10 V reference) and incremental encoders with 2,048 PPR resolution. Mid-generation variants introduced serial encoder protocols (Yaskawa's proprietary MECHATROLINK-I and MECHATROLINK-II bus), enabling deterministic motion control over RS-422-based networks at 4 Mbps and 10 Mbps respectively. Later SGDR sub-series added support for absolute encoders (17-bit and 20-bit multi-turn), reducing homing cycle dependency in restart-critical applications.

Compatibility constraints are significant: SGDR drives using MECHATROLINK-I are not directly interchangeable with MECHATROLINK-II controllers without interface adapters (e.g., JZMQZ-TB40D-E). The PX7DS-40V6-R power supply module operates at 125 V AC input, 1 A rated output, and is specific to the PX7 chassis family used in multi-axis SGDR configurations. Replacement with later Sigma-5 (SGDV) or Sigma-7 (SGD7S) series requires full re-engineering of the motion controller interface and is not a drop-in substitution.

SGDR Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within the Yaskawa SGDR and directly associated module families. Each entry reflects a distinct functional role within the servo system architecture.

SGDR-SDA71A01B: SGDR servo pack, 750 W, single-phase 200 V AC input, incremental encoder interface, standard I/O.
SGDR-SDA71A01BY32: SGDR servo pack, 750 W, Y32 option code denoting CE-marked variant with enhanced EMC filter for European installations.
PX7DS-40V6-R: PX7 chassis DC power supply module, 125 V AC input, 40 W output, 6-slot rack compatible, R-suffix = rack-mount configuration.
JZMQZ-TB40D-E: MECHATROLINK-II terminal block adapter, 40-pin, D-sub to screw-terminal conversion, E-suffix = enhanced shielding.
SGDR-AXA01A: Axis expansion module for multi-axis SGDR rack, supports up to 4 additional servo axes per unit.
SGDR-COA01A: Communication option card, RS-232C/RS-422 dual-port, for host PLC serial command interface.
SGDR-SDB15A01A: SGDR servo pack, 1.5 kW, three-phase 200 V AC, incremental encoder, standard I/O terminal.
SGDR-SDB22A01A: SGDR servo pack, 2.2 kW, three-phase 200 V AC, incremental encoder, DIN-rail mountable.
SGDR-SDB30A01A: SGDR servo pack, 3.0 kW, three-phase 200 V AC, high-inertia load compensation firmware.
SGDR-SDB50A01A: SGDR servo pack, 5.0 kW, three-phase 200 V AC, regenerative resistor interface included.
SGDR-SDB75A01A: SGDR servo pack, 7.5 kW, three-phase 200 V AC, external dynamic brake resistor terminal.
SGDR-SDB01A01A: SGDR servo pack, 100 W, single-phase 100 V AC, compact form factor for low-inertia axes.
SGDR-AXB01A: Secondary axis expansion board, plug-in to SGDR-AXA01A, adds 2 encoder feedback channels.
JZMQZ-TB20D-E: MECHATROLINK-II terminal block adapter, 20-pin compact variant, screw-terminal, E-suffix shielding.
SGDR-SDA71A01A: SGDR servo pack, 750 W, predecessor to A01B revision, non-CE, incremental encoder, standard I/O.
PX7DS-40V3-R: PX7 chassis DC power supply, 85–132 V AC input, 3-slot rack variant, lower output current rating.
SGDR-COB01A: MECHATROLINK-I option card for SGDR servo pack, enables legacy ML-I network integration.

Quality Control for the SGDR Range

SGDR servo packs incorporate multi-layer PCBs with high-density IGBT driver stages, serial encoder ASICs, and backplane bus connectors rated for 50,000 insertion cycles. DriveKNMS applies a structured test protocol to all SGDR units prior to dispatch:

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