I. Basic Model Information
Full model number: G-TUB30480ERSS0 (standard segmented notation: G-TUB30/480ERSS0)
Brand: Elmo Motion Control (Israeli Elmo, a high-end servo manufacturer)
Series: Gold Tuba (G-TUB) high-power direct-grid servo driver, Gold high-end product line
Product Positioning: 380/480V three-phase high-power AC servo, no need for external rectification power supply, directly connected to industrial three-phase mains power
Model Segmentation Explanation
G: Gold series high-end motion control platform
TUB: Tuba high-power direct-grid servo series
30: Continuous output current 30 Arms
480: Compatible with three-phase 480VAC grid input
E: EtherCAT real-time Ethernet bus
R: Regenerative braking built-in energy feedback loop
SS0: Standard feedback interface version (incremental / resolver / absolute value encoder universal, without special safety function customization)
Core Electrical Specifications Table
Parameter Item Standard Parameter
Main Power Input Three-phase 3×380~480VAC, 50/60Hz
Control Auxiliary Power 24VDC ±10%
Continuous Output Current 30A RMS
Peak Output Current 60A (1-second short-term overload)
Matching Motor Power Up to approximately 14~15kW synchronous permanent magnet servo motor
PWM Switching Frequency 20kHz
Overall Efficiency ≥98%, low heat generation
Cooling Method Standard fan cooling, optional forced cooling
Protection Grade IP20 (installed in control cabinet)
Installation Method DIN rail / panel-mounted dual-purpose
Dimensions Width 145 × Height 220 × Depth 120mm
Operating Temperature -10℃ ~ +50℃; Storage – 20℃~+70℃
Control Mode and Motion Performance
Fully supported by three closed loops
Torque loop, speed loop, position loop are independent closed loops, supporting vector sinusoidal commutation, trapezoidal commutation
Motion Functions
Point positioning, electronic gear, electronic cam,龙门 synchronization， multi-axis synchronous interpolation
Feedback Compatibility (multiple interfaces)
Incremental encoder， rotary transformer， single/multi-turn absolute encoder， Hall signal
Bandwidth Advantage
Current loop bandwidth exceeds 3kHz， high response speed， no overshoot during high-speed start and stop， micron-level positioning accuracy
Communication and Hardware Interfaces
Real-time Bus
EtherCAT (main protocol， E identifier)， optional CANopen； multi-axis synchronization jitter < 1μs
Debugging Interface
USB， Ethernet， combined with Elmo official EASII software for debugging， parameter download， waveform acquisition
IO Terminals
Multiple high-speed DI/DO， supports emergency stop， enable， origin， limit， fault output
Encoder Interface
Dual encoder loop (main feedback + external optical encoder full closed loop)
Regenerative Braking (R identifier core feature)
Built-in high-power regenerative circuit， motor deceleration energy feedback to the grid， no need for external braking resistor， suitable for frequently started and stopped equipment
Safety and Protection Mechanisms
Overcurrent， overvoltage， undervoltage， output short circuit， grounding fault lockout
Driver overheating， motor overheating detection shutdown
Encoder break， communication failure diagnosis alarm
Complies with SIL3 / PL e industrial safety standards， supports safe torque off STO
Typical Application Scenarios
Large CNC machine tools，龙门 machining centers spindle / feed axis
Multi-joint industrial robots， gantry mechanical hands heavy-duty axis
Semiconductor equipment， high-precision detection platform
Lithium battery， photovoltaic， packaging equipment high-power servo axis
Aerospace， medical high-precision heavy-duty motion platform
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