SANYO DENKI

Incremental Rotary Encoder – SANYO DENKI RST-4XC-II

The RST-4XC-II is an incremental rotary encoder (“Incremental Rotary Encoder”) manufactured by SANYO DENKI, designed as a position and speed transducer for CNC servo axes and industrial motion control systems. It provides the feedback signal to the servo drive, enabling closed-loop regulation of motor position and speed. The designation RST-4XC-II identifies the second revision of the RST-4XC series; connector variants and exact resolution must be confirmed on the manufacturer’s datasheet.

The encoder is the transducer that closes the position and speed loop in the CNC servo axis: it converts motor shaft rotation into digital pulse trains that the drive and CNC controller use to determine exact position and speed. Without it, the servo motor cannot operate in closed loop; axis control becomes unreliable and any precision machining is impossible.

SANYO DENKI is a Japanese manufacturer founded in 1927, specialising in motion control systems, AC/DC servo motors, rotary encoders, industrial fans, and UPS systems. Its products are widely used in CNC machinery, robotics, and industrial automation worldwide. The RST-4XC family belongs to a mature product line; revision II is legacy / discontinued — available as used, surplus, or through specialist repair.

Main Technical Specifications

AC Servo Drive – SANYO DENKI PY0A015A1G91P01

The PY0A015A1G91P01 is an AC servo amplifier (“AC Servo Amplifier”) from the PY series manufactured by SANYO DENKI. Designed for precision motion control applications in CNC machine tools and industrial automation systems, this drive receives position or speed references from the CNC controller and drives the servo motor in closed-loop torque, speed and position control. The part number PY0A015A1G91P01 identifies a variant of the PY series with a rated output current of approximately 1.5 A; the suffix options (G91, P01) define the encoder feedback configuration and hardware/firmware variant.

The servo drive is the core of axis control: it receives position or speed commands from the CNC, closes the position, speed and current loops, and converts electrical energy into precise motor movement. A drive failure causes the immediate shutdown of the controlled axis, rendering the machine completely inoperable; rapid replacement or specialist repair is essential to minimise production downtime and associated costs.

SANYO DENKI is a Japanese manufacturer founded in 1927, specialising in high-precision motion control systems: servo motors, digital drives, industrial cooling fans, and switching power supplies. The PY series products are widely used in CNC machining centres of Japanese and European origin. Certain variants of this family are legacy / discontinued and available primarily as used stock, NOS (new old stock), or through specialist repair services.

Main Technical Specifications

BL Super Brushless Servo Drive – SANYO DENKI PE0A030MXXXC00

The PE0A030MXXXC00 is a brushless servo drive (“BL Super Servo Amplifier”) manufactured by Sanyo Denki, belonging to the BL Super series of compact, high-performance servo amplifiers. The base field PE0A030M identifies the product family (AC input, nominal power class ~300 W), while the XXX field encodes configurable options — typically encoder feedback type (incremental/absolute) and communication interface — and the suffix C00 denotes the hardware revision. The drive manages the current, speed, and position control loops of a matched brushless (BLDC) motor, receiving the setpoint from the CNC controller via ±10 V analogue input or fieldbus depending on the installed option.

The servo drive is the electronic controller that converts the speed or torque reference from the CNC unit into precise phase current for the brushless motor: without it the controlled axis has no driving force and the machine cannot perform any machining operation. A drive fault typically manifests as an axis alarm, position loss, or uncontrolled motion, resulting in an immediate machine stop and potential damage to the workpiece or tooling.

Sanyo Denki, founded in Japan in 1927, is one of the world’s leading manufacturers of brushless motion control systems, industrial fans, and switching power supplies. The BL Super series is the company’s line of compact, high-performance servo amplifiers designed for CNC and precision industrial automation applications; the product family remains active and supported with full technical documentation and spare parts availability.

Main Technical Specifications

Brushless Servo Drive SUPER – SANYO DENKI PE0A015MXXXC00

The PE0A015MXXXC00 is a brushless servo drive (“Brushless Servo Amplifier”) from the SUPER series manufactured by SANYO DENKI. Designed to drive brushless (BL) motors in high-precision motion control applications, the drive integrates speed and current regulation loops in a compact module. The “015” code identifier indicates a nominal continuous current of approximately 1.5 A (peak typically up to 4.5 A), suitable for light or auxiliary axes on CNC machines and industrial automation systems. The “XXX” suffix indicates that certain options — typically bus version, encoder resolution or supply voltage — were selectable at the time of ordering.

The brushless servo drive closes the current and speed loop on the axis motor: it receives the speed or torque reference from the CNC controller, reads feedback from the motor-mounted encoder, and regulates phase current to follow the programmed path with minimum deviation. In the event of failure the affected axis becomes immobilised or uncontrolled, making it impossible to execute any machining operation involving that axis.

SANYO DENKI is a Japanese manufacturer founded in 1927, specialised in motion control systems (brushless servo motors and drives, industrial fans and precision cooling systems). The SUPER BL series has been widely adopted in CNC machine tools, robotic systems and factory automation. Some versions of this series are legacy / discontinued: availability should be confirmed using the full part number (specific options in place of “XXX”).

Main Technical Specifications

BL SUPER Brushless Servo Drive – Sanyo Denki 65BA030VDT11

The 65BA030VDT11 is a brushless servo amplifier (“Brushless Servo Amplifier”) from the BL SUPER series, manufactured by Sanyo Denki. It belongs to the family of amplifiers dedicated to controlling AC brushless motors in CNC machine tool systems: machining centres, milling machines, lathes and CNC grinding machines. The part number identifies a variant with a nominal output current of approximately 3.0 A (continuous), voltage input type (V), direct terminal block (D) and T-type termination (T11). Compatible with BL SUPER series brushless servo motors from Sanyo Denki.

The brushless servo drive is the electronic controller that closes the current and velocity loops on the brushless motor of the controlled axis: it interprets the reference signal from the CNC and maintains the required torque and kinematic accuracy during machining. If it fails, the axis becomes uncontrollable, the CNC generates an axis alarm and the machine stops immediately, halting all production until the unit is replaced or repaired.

Sanyo Denki Co., Ltd. (????) is a Japanese manufacturer founded in 1927, specialised in motion control systems (brushless servo motors, drives, cooling fans and industrial power supplies). The BL SUPER series is a well-established line designed for machine tools; models from the previous generation (1990s–2000s) are legacy / no longer in active production, available only as used units, new-old-stock, or through specialist repair.

Main Technical Specifications