1. MODEL CODE DEFINITION

2. ELECTRICAL RATINGS & SPECIFICATIONS

Input Power

• Main power: 3-phase AC200~230V, tolerance -15%~+10%, 50/60Hz

• Control power: Independent single-phase AC200~230V separated input

Output Rating

• Continuous rated current: 11.7Arms

• Short-time overload: 150% rated for 60s; 300% peak instantaneous overload within 3s

• PWM modulation: IGBT sine-wave drive, max output frequency 300Hz

• DC bus nominal voltage: DC280~320V; terminals P/BN for external regenerative braking resistor

Environment Spec

• Operating temp: 0℃ ~ +55℃; Storage: -20℃ ~ +70℃

• Humidity: 5%~80%RH, non-condensation; IP20 protection, cabinet vertical mounting only

• Altitude: ≤1000m; derating required over 1000m elevation

• Vibration resistance: 10~55Hz, 0.5mm single amplitude

3. MAIN FEATURES

1. Dual command input:

   • Analog channel: ±10VDC speed/torque reference input

   • Pulse channel: Differential line-driver pulse input for position control (A/B/Z pulse)

2. Speed regulation ratio 1:5000, full load speed fluctuation ≤±0.01%

3. Built-in digital notch filter to suppress mechanical resonance & low-speed crawl

4. Full auto-tuning for motor electrical parameters; speed/position loop gain & CN1 I/O fully editable via user constants

5. Onboard RS422 serial port: parameter upload/download, real-time operation data & fault history reading

6. Store up to 10 latest fault codes for maintenance inquiry

4. TERMINAL & CONNECTOR DESCRIPTION

• R/S/T: 3-phase main AC power input

• U/V/W: Servo motor three-phase power output

• P / BN: External regenerative resistor connection terminals

• CN1: Opto-isolated digital I/O terminal block (Servo ON, Alarm Output, Zero-speed, Fault Reset etc., freely assignable via parameters)

• CN2: Encoder dedicated connector for incremental rotary encoder feedback cable

5. PROTECTION FUNCTION LIST

• Internal dynamic brake built-in for normal deceleration energy consumption

• External regen resistor required for frequent fast stop / heavy cyclic load between P & BN terminals

6. INSTALLATION & WIRING PRECAUTIONS

1. Mount vertically inside electrical cabinet, reserve ≥50mm upper/lower ventilation space for radiator heat dissipation

2. Separate power cable & signal cable wiring to avoid electromagnetic interference; shield encoder cable single-end grounding

3. Cut all AC input power and wait ≥15min for bus capacitor full discharge before opening cover for maintenance to prevent electric shock hazard

7. COMMISSIONING STEP

1. Confirm power wiring (RST, UVW, control power single-phase) correct before power-up

2. Connect CN2 encoder cable firmly; no power-on with disconnected encoder

3. Execute motor auto-tuning via parameter setting after no-load test run

4. Set I/O definition, loop gain per machine mechanical requirement

5. No-load jog test → semi-load trial → full-load formal operation

8. REPLACEMENT RULE

• Direct replacement available with same full model CACR-SR12TB0AF

• CACR-SR12SZxx (robot version) cannot directly substitute due to different internal PCB and firmware

• Custom Y-suffix locked firmware models cannot replace this standard AF version

9. TROUBLESHOOTING GUIDE

1. Overheat Alarm: Radiator dust clog, poor cabinet ventilation or long-term overloaded operation → clean radiator, improve ventilation or reduce load

2. Encoder Error: Loose CN2 plug, broken encoder wire or damaged motor encoder → check cable & connector

3. Overvoltage Alarm during fast deceleration: Add external regenerative resistor on P-BN terminals

4. Overload Alarm: Mechanical jamming or excessive load → inspect transmission structure and reduce load

10. ROUTINE MAINTENANCE

• Every startup: Check tightness of power cable, CN1/CN2 connector terminals

• Every 3~6 months: Clean cooling fin dust on heat sink

• Annual inspection: Check capacitor aging, fan running status and insulation of all cables