Fuji RYH152F5-VV2 Servo Drive

Digit-by-Digit Model Code Explanation (ALPHA5 Smart Series)

RYH 152 F5 VV2

RYH: General servo drive series code for Fuji ALPHA5 Smart
152: Matched motor rated power of 1.5kW; the trailing digit “2” represents 200V voltage class
F5: Hardware platform ALPHA5 Smart (5th-generation servo)
VV2: Standard basic pulse interface (differential pulse command, 2500-line incremental encoder)

Suffix -ZC1: Version with RS485 Modbus communication (RYH152F5-VV2-ZC1)

No ZC1 suffix: Pulse control only, no fieldbus communication

Core Electrical Specifications
Power Supply Specifications

Main circuit: Single/Three-phase AC200～240V, 50/60Hz

Control power supply: Single-phase AC200～240V (independent power supply; alarm records retained after power failure)

Input current: Approx. 10A for three-phase input, approx. 16A for single-phase input

Regenerative braking: Built-in low-power braking resistor; external braking resistor required for frequent high-power start/stop

Rated Drive Parameters

Matched motors: 1.5kW GYS152D5-RC2 / GYB152D5-RC2 (3000rpm standard servo motors)

Rated output current: 7.8A

Maximum instantaneous current: 23.4A (3x overload capacity, sustainable for 3s)

Encoder support: Standard 2500-line incremental encoder (5V differential); absolute encoders not supported (VV3 model required)

Full Supported Control Modes
Position control (pulse commands: compatible with 5V/24V differential signals, CW/CCW, AB-phase pulses)
Speed control (external analog signal 0～±10V)
Torque control (external analog signal 0～±10V)
Built-in functions: Multi-speed operation, electronic gear, homing, software limit
Environmental Resistance Parameters

Operating temperature: 0℃～+50℃ (derating required for fully enclosed cabinets; 2% load reduction per 1℃ temperature rise)

Storage & transportation temperature: -20℃～+70℃

Humidity: 5～90%RH, non-condensing

Altitude: ≤1000m; 20% load derating for 1000～2000m operation

Protection class: IP20 (cabinet mounting only)

III. Interface Definition (Standard VV2 Version)

CN1: Control signal terminals (24V digital input/output: Servo Enable, Emergency Stop, Reset, Over-travel, Multi-speed, Alarm Output, etc.)
CN2: Encoder connector (for motor 2500-line incremental encoder)
CN3: Pulse command connector (differential pulse input from upper PLC)
CN4: USB debugging port (for operation via Fuji dedicated WSM tuning software)
U/V/W: Servo motor power terminals
P/PB: Terminals for external braking resistor
L1/L2/L3: Main power input; L1C/L2C: Control power supply
Core Product Advantages (ALPHA5 Smart)
One-click auto-tuning: Automatically adjust gain for low-rigidity equipment with belts, racks and gear backlash to suppress vibration
High response bandwidth: 30% faster position loop response, no overshoot during high-speed start/stop
Multi-stage filters: Mechanical resonance suppression filters eliminate equipment resonant noise
Comprehensive protection: Overcurrent (OC), Overvoltage (HV), Undervoltage (LV), Overload (OL), Overheat (AH), Encoder Fault (Et), Surge (RH4) and over 20 alarm codes in total
Compact footprint: Standard frame size for 1.5kW model; smaller volume than legacy RYS series with identical power rating
Compatible Motor List

Drive Model	Matched Standard Motor	Speed	Encoder
RYH152F5-VV2	GYS152D5-RC2	3000r/min	2500-line incremental
RYH152F5-VV2	GYB152D5-RC2-B	3000r/min	2500-line incremental

Replacement & Upgrade Solutions
Direct Replacement within ALPHA5 Smart Series

Fieldbus variant alternative: RYH152F5-VV2-ZC1 (added Modbus-RTU communication; identical hardware dimensions and wiring, only extra communication parameters needed)

Absolute encoder variant: RYH152F5-VV3 (absolute motor replacement required; CN2 pin definition differs, not plug-and-play)

Upgrade to New-Generation ALPHA7 Series

Replacement model: RYH152F7-VV2

Advantages: Supports higher encoder resolution, EtherCAT fieldbus and enhanced auto-tuning; fully compatible mounting dimensions, power and motor wiring, only minor parameter adaptation needed

Note: Legacy F5 parameters can be exported and imported via WSM software to reduce debugging workload

Backup Replacement If Discontinued

The RYH152F5 series remains in production with abundant new/refurbished stock available on market; prioritize F7 VV2 model of equivalent power if supply runs short.

VII. Common Alarm Codes & Troubleshooting

RH4: Surge suppression circuit fault → Frequent power cycling, damaged main circuit charging relay/diode; power off and cool down before inspecting power board
HV: Overvoltage → Excessive regenerative energy during deceleration (install external braking resistor); input voltage out of specification
LV: Undervoltage → Missing main power phase, excessive voltage drop on input cables, poor contact of contactor terminals
Et/EC: Encoder fault → Broken encoder cable, loose connector, damaged encoder
OC1/OC2: Output overcurrent → Short circuit on motor U/V/W terminals, power cable grounding fault, damaged drive IGBT module
AH: Drive overheating → Blocked cooling fan, poor cabinet ventilation, long-term overload operation

VIII. Typical Application Scenarios

Feed axes of CNC machine tools, engraving machines, laser cutting machines

Packaging equipment: Labelers, slitting machines, positioning conveyor axes

Automated production lines, manipulator joints, warehousing stacking positioning

Precision feeding equipment for textile and printing industries

Key Selection Pitfalls to Avoid
VV2 only supports incremental encoders. Select VV3 model if absolute origin memory after power-off is required;
External braking resistor is mandatory for frequent forward/reverse operation and high-inertia loads to prevent HV overvoltage alarms;
Single-phase 220V power supply delivers 20% lower load capacity than three-phase input; three-phase power is preferred for heavy-duty applications;
Models with -ZC1 suffix must be purchased for fieldbus communication with PLCs; standard VV2 has no RS485 interface.

Full Practical Application Cases of Fuji RYH152F5-VV2 (1.5kW ALPHA5 Smart Pulse-Type Servo)

This drive is a differential pulse command version equipped with a 2500-line incremental encoder, compatible with medium-inertia GYB152D5 and low-inertia GYS152D5 motors. It is ideal for medium-load, high-precision positioning applications and low-rigidity mechanical structures such as gear racks and belt drives. Below are mass-production cases covering six major industries, including equipment process, servo configuration, selection advantages and debugging tips.

CNC Engraving & Precision Milling Equipment (Woodworking / Aluminum Mold / Epoxy Board Milling)

Case Unit: X/Y Axis Feed Drive for 1325 Gantry Engraving Machine

Process Requirements

Long rack drive on gantry frame with large load inertia, prone to resonance during high-speed start/stop; repeat positioning accuracy ±0.01mm, maximum feed speed 25m/min; pulse control via Mitsubishi FX3U PLC.

Servo Configuration

Drive: RYH152F5-VV2; Motor: GYB152D5-RC2 medium-inertia 3000rpm; external braking resistor as standard (absorbs regenerative energy during frequent reversing and deceleration).

Core Advantages of Fuji Servo

Built-in 4th-order notch filter; one-click auto-tuning suppresses resonance caused by rack backlash and eliminates vibration lines in high-speed engraving;

Supports maximum 4MHz differential pulse input for high-speed interpolation with widely adjustable electronic gear ratio;

3x overload capacity for 3s ensures no alarms during rapid gantry acceleration and deceleration.

On-site Debugging Tips

Reduce gain by 20% for low mechanical rigidity and enable low-rigidity vibration suppression mode; set acceleration/deceleration time ≥80ms to avoid HV overvoltage alarms.

Packaging Automation Equipment (Horizontal Flow Wrapper / Slitter / Labeler)

Case 1: Main Film Feeding Drive for Automatic Horizontal Flow Food Wrapper

Process Continuous film conveying + fixed-length cutting, frequent high-speed reciprocating start/stop with ultra-low tension fluctuation; output of 120 packs per minute.
Servo Scheme RYH152F5-VV2 paired with GYS152D5-RC2 low-inertia motor; simple tension control realized via position mode with torque limit.
Operational Benefits

Customizable multi-speed switching via DI terminals with 0.1ms switching response; stable 24-hour continuous production without vibration, cutting dimensional error ≤0.1mm; 60% lower failure rate compared with legacy servo models.

Case 2: Label Head Translation Axis for Adhesive Labeler

Medium load with high-frequency short-stroke reciprocating motion; 1.5kW torque is sufficient to overcome guide rail friction, and pulse positioning accurately controls label offset. The VV2 pulse interface is perfectly compatible with domestic motion control cards.

III. Lithium Battery & New Energy Equipment (Electrode Slitter, Cell Handling Platform)

Case: Winding & Unwinding Travel Axis of Lithium Electrode Slitter

Operating Conditions High-speed web conveying requiring hybrid position-torque control; stable low-speed operation and no web deviation at high speed; low noise requirement for clean workshops.
Servo Compatibility Highlights

RYH152F5-VV2 supports position/torque dual-mode switching with built-in multi-stage torque limits; low-noise fan operation meets cleanroom standards; universal wide-voltage single/three-phase 220V input, single-phase power sufficient for compact equipment.

Pain Point Solutions

Regenerative voltage generated during winding deceleration is buffered by the built-in braking circuit to avoid HV overvoltage shutdown under long-term full load; real-time servo current monitoring triggers DI alarm output for automatic shutdown upon web breakage.

Printing & Textile Machinery (Web Printing, Fabric Cutter, Cross-Cutting Knife Axis)

Case: Servo for Cross-Cutting Knife of Nonwoven Slitter

Process High-speed rotation of cutter roller with synchronous follow-up cutting, dynamically matching feeding speed with synchronization error ≤0.05mm.
Selection Logic

1.5kW output torque satisfies inertial load of cutter roller; pulse synchronous follow-up mode with electronic gear tracking feeding encoder; servo comes with native phase compensation parameters to correct synchronization deviation without complex programming.

Industry Adaptation Advantages

Dust-resistant design, operating temperature range 0~50℃; multi-stage filters eliminate transmission belt vibration for smooth, burr-free cutting edges.

3C Electronics & Semiconductor Automation (LED Tape Packaging, PCB Depaneling, Inspection Handling)

Case: Indexing Rotation Axis for LED Carrier Tape Packaging Equipment

Motion Cycle High-speed 180° flip within 20ms with instantaneous start/stop, repeat positioning accuracy ±0.008mm.
Servo Configuration RYH152F5-VV2 + GYS152D5 ultra-low-inertia motor with high response bandwidth of 1500Hz.
Core Advantages

Servo interrupt positioning function: Direct fixed-length positioning triggered by sensors without PLC interrupts to cut response delay; 2500-line incremental encoder meets high-speed indexing positioning requirements, with lower equipment cost than absolute encoder fieldbus solutions.

Machine Tools & Custom Automated Loading/Unloading Manipulators (CNC Lathe Bar Feeder, Handling Slides)

Case: Feed Axis of Automatic Bar Feeder for CNC Lathe

Load Characteristics Long bar pushing via ball screw drive with heavy impact during start/stop; single pushing stroke of 1200mm.
Application Scheme

RYH152F5-VV2 pulse control matched with 1.5kW medium-inertia motor; short-time overload capability handles heavy bar pushing; soft-start function reduces screw impact and extends mechanical service life.

Case: 2-Axis Handling Gantry Slide

Dual-servo synchronous motion on gantry frame; two RYH152F5-VV2 drives controlled by two separate pulse outputs from PLC; built-in synchronous deviation monitoring triggers emergency stop when threshold exceeded to prevent machine collision.

Supplementary Selection & Scenario Classification (Exclusive Limitations of VV2 Version)