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CACR-SR15BB1BF

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CACR-SR15BB1BF
June 04, 2026

CACR-SR15BB1BF

CACR：Yasnac VS800 full digital AC Servopack for CNC feed axis and general automation equipment SR：Dual command input hardware reserved: ±10VDC analog speed/torque + differential pulse position instruction, full parameter editable without factory lock by default 15：Rated power 1.5kW, AC200V input specification, rated continuous output current 11.7Arms BB：Universal main control PCB and standard I/O base circuit layout, unified BB platform hardware structure 1：3-phase AC200~230V main power supply; independent single-phase AC200V dedicated for control power circuit BF：Incremental optical encoder dedicated feedback circuit, no onboard absolute encoder backup battery socket, only match incremental pulse servo motor, core difference vs AM absolute version No Y-suffix = standard general stock model, no OEM locked firmware, all internal parameters fully adjustable on site.

Description

1.Model Code Definition

CACR：Yasnac VS800 full digital AC Servopack for CNC feed axis and general automation equipment
SR：Dual command input hardware reserved: ±10VDC analog speed/torque + differential pulse position instruction, full parameter editable without factory lock by default
15：Rated power 1.5kW, AC200V input specification, rated continuous output current 11.7Arms
BB：Universal main control PCB and standard I/O base circuit layout, unified BB platform hardware structure
1：3-phase AC200~230V main power supply; independent single-phase AC200V dedicated for control power circuit
BF：Incremental optical encoder dedicated feedback circuit, no onboard absolute encoder backup battery socket, only match incremental pulse servo motor, core difference vs AM absolute version
No Y-suffix = standard general stock model, no OEM locked firmware, all internal parameters fully adjustable on site.

2.Basic Electrical Specifications

Main power input: three-phase AC200V~230V, 50/60Hz, allowable voltage fluctuation range -15%~+10%. Control power separately supplied by single-phase AC200V 200~230V.
Overload capacity: 150% rated continuous current sustainable for 60 seconds; 300% peak overload limited within 3 seconds for startup and instantaneous acceleration.
DC bus nominal working voltage DC280V~320V; terminals P and BN prepared for external regenerative braking resistor connection for high frequent deceleration or emergency stop load.
Control mode: IGBT sine-wave PWM modulation, maximum output frequency up to 300Hz; IP20 cabinet mounting protection grade, unit net weight around 3.3kg.

3.Key Feature Difference (BF vs AM Model)

  1. CN2 encoder feedback port hardware exclusively designed for incremental optical encoder, no 3.6V backup battery installation position on drive PCB, cannot directly connect absolute serial encoder motor without hardware modification.

  2. Power-off origin data not retained inside feedback system; machine must execute zero return (home search) after every power restart, which is mandatory setting for incremental system.

  3. No dedicated low-battery detection circuit and corresponding low-battery fault alarm function, this protection only exists on AM absolute encoder variant.

  4. Factory default parameter group pre-set for incremental pulse encoder, support wide range of standard pulse resolution including 1000/2048/5000/6000p/r via parameter modification.

4.Three Optional Adjustable Control Modes

All three working modes switchable freely by internal parameter setting without factory unlock permission: ±10V analog speed control, differential pulse position control, ±10V analog torque control.
Built-in multi-order mechanical resonance suppression digital filter; filter gain, cutoff frequency all manually editable to eliminate mechanical vibration and abnormal noise.
Electronic gear ratio, position loop proportional gain, speed loop PI parameters, acceleration/deceleration time constant fully customizable to match different mechanical transmission load.
Onboard RS422 communication interface supports full parameter upload/download, real-time running status reading and historical fault record query, all parameter write access open for users.

5.Installation & Environmental Requirements

Working ambient temperature range: 0℃~+55℃; storage temperature -20℃~+70℃; operating humidity 5%~80%RH without dew condensation inside unit. Need load derating when installation altitude over 1000 meters above sea level.
Vibration resistance standard: 10~55Hz, single vibration amplitude 0.5mm; reserve minimum 50mm empty space on top and bottom of drive inside control cabinet for heat dissipation ventilation.
Safety wiring rule: completely cut off all AC input power and wait more than 15 minutes to make internal DC bus capacitor fully discharge before opening cover or plug/unplug CN1, CN2 connectors; hot plug of connectors under powered condition strictly prohibited to avoid electric shock and circuit burnout.

6.Terminal & Connector Function Description

R/S/T: three-phase main AC power input terminals; U/V/W: three-phase AC servo motor power output terminals.
P & BN: external regenerative braking resistor wiring terminals for overvoltage suppression during rapid deceleration and emergency stop operation.
CN1: optocoupler isolated universal digital input/output connector, all I/O pin functions can be redefined via internal parameters without fixed OEM assignment.
CN2: incremental encoder exclusive feedback connector, connect incremental encoder cable only, no battery wiring pin available on this port.
Front panel single-digit seven-segment LED indicator displays real-time running state and VS800 standard fault codes during operation.

7.Complete Built-in Protection Functions

Full-range protection list: output overcurrent fault, DC bus overvoltage/undervoltage alarm, drive internal overheat protection, encoder wire break detection, motor overload protection, CPU operation error alarm. Latest ten fault codes permanently stored in drive memory and keep record after power off.
Internal dynamic brake circuit pre-installed inside drive; external braking resistor must be mounted between P-BN terminal under heavy cyclic operation and frequent emergency stop to prevent deceleration overvoltage error. No absolute battery monitoring protection on BF version.

8.Replacement & Daily Maintenance Instruction

Direct replacement rule: interchange only with identical CACR-SR15BB1BF; CACR-SR15BB1AM cannot directly substitute for BF due to CN2 feedback hardware difference, AM drive cannot run incremental motor normally without parameter and wiring adjustment.
Daily pre-start inspection: check tightness of power cables and CN1/CN2 plug terminals; clean radiator dust every 3~6 months to prevent heat accumulation and overheat shutdown.
Full factory parameter reset allowed on standard BF model; reset restores all parameters back to original factory default value for new motor commissioning. No regular battery replacement needed for BF incremental model.

9.Common Fault Troubleshooting

Overheat alarm: radiator dust blockage, poor cabinet ventilation or long-term overloading; clean cooling fin or reduce actual running load.
Encoder error alarm: loose CN2 plug, damaged incremental feedback cable or mismatched non-incremental motor; re-plug connector or replace matched incremental encoder motor.
Deceleration overvoltage fault: install external regenerative resistor between P and BN terminals to consume surplus regenerative energy.
Overload alarm: mechanical transmission stuck or payload excess rated value; check mechanical structure and reduce machine load.
CPU abnormal alarm: internal drive hardware fault or unstable input power supply; inspect input AC voltage and return unit for professional maintenance.

10.Standard Fault Code Definition

1=Output overcurrent protection triggered
2=Main power circuit hardware malfunction
3=DC bus overvoltage
4=DC bus undervoltage
5=Drive internal overheat
6=Incremental encoder disconnection/cable break
7=Motor continuous overload protection
A=Main CPU running error
C=External emergency stop input signal active


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