Pacific Scientific SCE904AN-002-01 Single axis digital servo drive

Pacific Scientific SCE904AN-002-01 Single axis digital servo drive

Specific Parameters​

Electrical Parameters​

Input Voltage 180-264VAC, 47-63Hz, three-phase AC input; compatible with 24VDC auxiliary power input​

Continuous Output Current 8.5A at 25℃ with natural cooling, 10A at 40℃ with forced air cooling​

Peak Output Current 25.5A (duration ≤3 seconds), meeting the motor’s instantaneous high-load drive requirements​

Control Modes Position control (pulse/direction, CW/CCW), speed control (analog/communication given), torque control (analog/communication given) with three-mode switching​

Feedback Interface Supports incremental optical encoders (below 5000 lines), Resolver (below 11 bits), Hall sensors​

Command Signals Analog input (±10VDC, accuracy ±0.1%), digital pulse input (max. 500kHz), communication command (Modbus RTU)​

Protection Functions Overcurrent protection (action value 120% rated current), overvoltage protection (320VAC), undervoltage protection (150VAC), overload protection (150% rated current for 1 minute), motor overheating protection (PTC input), short circuit protection (instant response)​

Communication Interfaces 1 standard RS-485 (Modbus RTU, baud rate 1200-115200bps), optional EtherNet/IP, Profinet communication modules​

Power Consumption ≤1.8kW under rated load, standby power consumption ≤15W​

Certification Standards Compliant with UL 508C, CE EN 61800-5-1, IEC 61000-6-2 industrial safety and EMC standards​

Mechanical Parameters​

Overall Dimensions 140mm×210mm×100mm (W×H×D), compact design compatible with standard 19-inch cabinets​

Weight Approximately 2.3kg, modular structure facilitating installation and maintenance​

Mounting Method 19-inch rack-mounted installation (occupying 2U height) or panel-mounted installation​

Housing Material Industrial-grade 6061 aluminum alloy housing with anodized surface treatment, featuring electromagnetic shielding and high heat dissipation performance​

Cooling Method Natural cooling (heat sink area ≥0.05㎡); optional 12V/0.5A cooling fan (air speed 2.5m/s)​

Connection Method Back plug-in terminal blocks (power/power terminals: M4 screws; signal terminals: M3 screws); front RJ45 communication interface, USB debugging interface​

Status Indication 7-segment LED nixie tube (displaying current/speed/fault code); Power (green), Run (yellow), Fault (red), Communication (blue) LED indicators​

Environmental Parameters​

Operating Temperature -20℃ to 70℃, no derating of output current over the entire temperature range​

Storage Temperature -40℃ to 85℃, meeting the requirements of extreme storage and transportation environments​

Relative Humidity 5% to 95% (non-condensing), adapting to high-humidity workshops, outdoor shelters and other scenarios​

Vibration Resistance Complies with IEC 60068-2-6 standard, 2g acceleration in 10Hz-500Hz frequency range (duration 1 hour)​

Shock Resistance Complies with IEC 60068-2-27 standard, 15g acceleration (duration 11ms, 3 times each in X/Y/Z directions)​

EMC Compliance Radiation disturbance complies with EN 61800-3 Class A, immunity complies with EN 61000-4-2 (±8kV contact discharge), EN 61000-4-3 (±10kV radiated immunity)​

Product Performance​

High control precision, position control positioning error ≤0.01mm (with 1000-line encoder), speed control fluctuation rate ≤0.5% (at rated speed)​

Strong load adaptability, 8.5A-10A continuous output current covering medium and high-power motors, 25.5A peak current coping with instantaneous overload​

Excellent heat dissipation efficiency, dual-mode cooling design adapting to different temperature environments, ensuring no overheating risk during long-term full-load operation​

Comprehensive protection mechanism, multiple electrical and mechanical protection functions responding quickly to faults, avoiding damage to drives and motors​

Good communication expandability, standard RS-485 and support for industrial bus upgrades, meeting the networking needs of automated systems​

High debugging convenience, USB interface supporting connection to computers for parameter configuration via dedicated software, LED nixie tube displaying real-time operation status​

Wide environmental adaptability, wide temperature operating range + strong vibration and shock resistance, tolerating complex working conditions in industrial sites​

High operational stability, using imported IGBT modules and high-quality capacitors, Mean Time Between Failures (MTBF) ≥2,000,000 hours​