CACR-SR02AB1ER-Y is discontinued OEM customized analog SERVOPACK manufactured by Yaskawa, exclusively matched with Yasnac VS-800 CNC system for machine feed axis control, rated output power 200W (0.2kW). The suffix "Y" stands for factory dedicated customization with locked original parameters and modified CN1 connector pin definition for specific CNC machine original configuration; standard non-Y version cannot be directly replaced without circuit modification and parameter rewriting.

CACR-SR: Classic analog servo drive platform dedicated for Yasnac VS series CNC controller;02: Rated power 200W;A: Standard main control PCB specification;B: Revised internal power circuit layout;1: Differential line driver pulse position command input from CNC mainboard;E: Standard feedback circuit design for incremental encoder;R: Standard housing structure;-Y: OEM customized firmware, fixed factory preset parameters and customized I/O pin assignment for designated Yasnac equipment.

Input power: Single/3-phase AC200V, allowable working voltage AC180V~AC230V, 50/60Hz power frequency.Matching servo motor: USAF-02, USAM-02 series 200W Yaskawa servo motor equipped with 1500PPR incremental encoder, other encoder resolution motors are incompatible under factory default setting.Control mode: Three closed-loop control including current loop, speed loop and position loop, position instruction received via differential pulse signal output from Yasnac VS-800 CNC main control unit.

Operation ambient temperature: 0℃ ~ +60℃; storage temperature: -20℃ ~ +70℃; working relative humidity ≤80% without dew condensation; maximum applicable installation altitude ≤1000m above sea level; enclosure protection grade IP20, must be installed inside sealed electrical cabinet only, avoid direct dust and liquid splash.

Main power terminals R, S for AC power input; U/V/W three terminals connect to three-phase servo motor winding; spare reserved terminals for external dynamic braking resistor wiring if regenerative energy absorption is needed.CN1 (50pin control connector): Customized pinout due to Y OEM modification, responsible for pulse command input, servo enable signal, servo ready output, fault alarm signal and CNC interlock control signals, different from common standard CACR-SR02AB1ER wiring definition.CN2 (20pin dedicated encoder connector): Exclusive connection port for servo motor incremental encoder cable to transmit position feedback signal.All main circuit terminals adopt screw fastening wiring without quick plug structure.

Complete full wiring inspection and short-circuit test before power supply switch-on. After energization, single-digit seven-segment LED on front panel displays normal standby digit if no fault occurs.All Cn group internal parameters are pre-programmed at factory for matched Yasnac VS-800 machine because of Y customization; random parameter change will cause motor overloading, runaway or servo locking fault, only certified maintenance personnel can adjust parameters as required. Cut off power for minimum 3 minutes after parameter modification to finish data saving in onboard memory chip.Front panel buttons support jog forward/reverse no-load motor test for checking rotation smoothness, abnormal noise and mechanical vibration.

Integrated multi-protection functions: overcurrent, overvoltage, undervoltage, continuous overload, overheat, encoder disconnection protection; drive immediately cuts servo output once protection triggers and displays corresponding fault code on front LED screen.Fault code explanation:Code 1: Overcurrent alarm; check motor winding short circuit, power module damage or wrong wiring;Code 2: Abnormal input voltage; inspect power supply fluctuation and unstable grid;Code A: Encoder disconnection failure; check CN2 cable open circuit or loose terminal;Code F: Overheat protection; clean heat sink accumulated dust and verify cooling fan blocking or stall;Code C: Control board abnormal fault; need internal PCB circuit inspection and maintenance.Fault reset operation: Eliminate fault causes then cut input power over 30 seconds before restarting the servo unit.

Carry out routine maintenance every three months: clean heat sink dust, retighten all terminal screws, check cooling fan rotating status to prevent overheat stop. Critical safety notice: high residual voltage remains inside main circuit capacitors after power-off; wait more than 10 minutes before opening drive casing for internal overhaul or component replacement to avoid electric shock hazard.CACR-SR02AB1ER-Y customized model cannot be substituted by ordinary CACR-SR02AB1ER directly, inconsistent CN1 pin definition and factory parameters will lead to CNC signal communication failure and abnormal axis running; same Y suffix customized product is required for interchange replacement.

Specially designed as feed axis servo amplifier for OEM customized Yasnac VS-800 CNC lathe and small vertical machining center; cannot be directly matched with non-Yasnac third-party CNC system without internal circuit rework and full parameter recalibration.