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CACR-SR03TZ6SM-E

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CACR-SR03TZ6SM-E
June 04, 2026

CACR-SR03TZ6SM-E

CACR-SR03TZ6SM-E is a discontinued OEM customized 300W AC servo amplifier belonging to Yaskawa classic CACR-SR lineup, exclusively tailored for Yasnac VS-800 CNC control system and vintage Toyoda CNC machine tools. It is designed to mate with Yaskawa USAMED/USAREM series 0.3kW servo motors equipped with 15-bit absolute rotary encoders. The suffix "-E" denotes export specification version optimized for overseas market factory parameter setting and wiring standard, different from domestic non-E marked TZ6SM standard model. Original OEM mass production has been stopped; currently it circulates globally only as replacement spare part for old CNC overhaul, axis maintenance and equipment retrofit.

Description

1. General Introduction

CACR-SR03TZ6SM-E is a discontinued OEM customized 300W AC servo amplifier belonging to Yaskawa classic CACR-SR lineup, exclusively tailored for Yasnac VS-800 CNC control system and vintage Toyoda CNC machine tools. It is designed to mate with Yaskawa USAMED/USAREM series 0.3kW servo motors equipped with 15-bit absolute rotary encoders. The suffix "-E" denotes export specification version optimized for overseas market factory parameter setting and wiring standard, different from domestic non-E marked TZ6SM standard model. Original OEM mass production has been stopped; currently it circulates globally only as replacement spare part for old CNC overhaul, axis maintenance and equipment retrofit.

2. Model Code Breakdown

  • CACR: Fixed prefix of Yaskawa AC SERVOPACK servo drive family

  • SR: Multi-mode control hardware, supporting speed, position and torque control via internal parameter configuration

  • 03: Rated output power 0.3kW (0.4HP) specification

  • TZ: Custom mainboard with ±10VDC analog command input dedicated for VS800 CNC, rated AC200V input grade

  • 6SM: Exclusive decoding circuit for 15-bit absolute encoder feedback; preloaded standard OEM firmware for VS800 matching

  • -E: Export-grade customized variant: optimized international safety standard, adjusted terminal definition and factory parameter preset for non-Japan regional machine tool matching

3. Electrical Specifications

Main power supply: 3-phase AC 200V~230V, 50/60Hz, voltage tolerance +10%/-15%; independent single-phase AC200~230V for control power circuit.
Rated continuous output current: 3.0Arms; peak instantaneous overload current: 8.5Arms to satisfy rapid acceleration/deceleration dynamic load requirement.
Command signal: ±10VDC analog speed/position instruction directly transmitted from Yasnac VS-800 CNC controller; CN2 feedback port only compatible with 15-bit absolute encoder, incompatible with regular incremental pulse encoder.
Cooling type: Natural convection air cooling; protection grade IP20, cabinet rack mounting only.
Ambient operating condition: Working temperature 0℃~55℃, storage temperature -20℃~85℃; working humidity ≤80%RH without condensation; max applicable installation altitude ≤1000m above sea level.

4. Core Product Features

  1. VS800 export dedicated fixed OEM program; loop gain and electronic gear ratio parameters are pre-calibrated at factory per overseas machine tool standard; arbitrary parameter modification will cause positioning drift or abnormal motor operation.

  2. Complete multi-protection mechanism: overcurrent, overvoltage, undervoltage, overheat, absolute encoder disconnection, overload and regenerative circuit fault protection for long-term stable operation.

  3. Compact rack-mounted mechanical layout for convenient cabinet installation and fast on-site spare replacement during maintenance.

  4. "-E export edition" improves anti-interference circuit design adapting to overseas industrial power grid fluctuation; absolute encoder matching realizes power-off origin memory without repeated machine zero reset, boosting machining consistency compared with incremental encoder drives.

5. Main Application

Focused on feed axis drive replacement and fault maintenance of export-version old Toyoda lathes, small machining centers fitted with Yasnac VS-800 CNC; also used for precision axis upgrading of customized small automation equipment requiring power-off zero retention capability.


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