Fuji Alpha 7 Servo System Programmable Logic Controller
The Fuji Electric Alpha 7 Servo System is a state-of-the-art servo solution designed to deliver superior speed, accuracy, and reliability for a wide range of industrial automation applications. With advanced tuning algorithms, ultra-high response, and real-time communication options, the Alpha 7 series helps machine builders optimize productivity and precision—whether for simple control or complex multi-axis systems.
Categories:
Fuji Servo System- Ultra-High-Speed Response: Frequency response of up to 3.2 kHz ensures ultra-fast reaction and positioning accuracy.
- 23-Bit Absolute Encoder: Offers exceptional precision with 8.3 million counts/rev, ensuring ultra-smooth motion.
- Auto-Tuning & Vibration Suppression: Built-in advanced tuning and notch filters for rapid setup and stable motion.
- Multiple Control Interfaces:
- Pulse Train (for standard PLCs)
- EtherCAT or MECHATROLINK-III (for synchronized motion control)
- Safety Functions: Includes Safe Torque Off (STO) as standard; supports other safety functions via networked options.
- Compact Servo Drives: Space-saving design with user-friendly parameter settings and diagnostics.
| Specification | Description | |||||||
|---|---|---|---|---|---|---|---|---|
| Motor series |
Wire connection type |
Rated speed |
Brake | Rated output |
1 | 2 | 3-1 | 3-2 |
| Sequence I/O cable (between host and amplifier) |
Motor power cable (between amplifier and motor) |
Encoder cable (between amplifier and motor) |
Encoder cable with a battery*1 (between amplifier and motor) |
|||||
| GYS motor | Lead wire | 3000 r/min | No | 0.05kW to 0.75kW |
WSC-D36P03 (for VS/LS/VV type) WSC-D14P03 (for VC type) With connector, bare wires on one side, 3m |
WSC-M04P02-E WSC-M04P05-E WSC-M04P10-E WSC-M04P20-E |
WSC-P06P02-E WSC-P06P05-E WSC-P06P10-E WSC-P06P20-E |
WSC-P06P02-BE WSC-P06P05-BE WSC-P06P10-BE WSC-P06P20-BE |
| Yes | ||||||||
| Connector | No | 1.0kW to 2.0kW |
WSK-M04P-CA is used to fabricate this (customer fabrication) |
|||||
| Yes | WSK-M06P-CA is used to fabricate this (customer fabrication) |
|||||||
| No | 3.0kW to 5.0kW |
WSK-M04P-CB is used to fabricate this (customer fabrication) |
||||||
| Yes | WSK-M06P-CB is used to fabricate this (customer fabrication) |
|||||||
| GYB motor | Lead wire | 3000 r/min | No | 0.2kW to 0.75kW |
WSC-M04P02-E WSC-M04P05-E WSC-M04P10-E WSC-M04P20-E |
WSC-P06P02-E WSC-P06P05-E WSC-P06P10-E WSC-P06P20-E |
WSC-P06P02-BE WSC-P06P05-BE WSC-P06P10-BE WSC-P06P20-BE |
|
| Yes | ||||||||
| Connector | No | 0.2kW to 0.75kW |
WSC-M04P02-K WSC-M04P05-K WSC-M04P10-K WSC-M04P20-K |
WSC-P06P02-K WSC-P06P05-K WSC-P06P10-K WSC-P06P20-K |
WSC-P06P02-BK WSC-P06P05-BK WSC-P06P10-BK WSC-P06P20-BK |
|||
| Yes | ||||||||
| GYG motor | Connector | 2000 r/min | No | 1.0kW, 1.5kW, 2.0kW | WSK-M04P-CC is used to fabricate this (customer fabrication) |
WSC-P06P05-J WSC-P06P10-J WSC-P06P20-J |
WSC-P06P02-BJ WSC-P06P05-BJ WSC-P06P10-BJ WSC-P06P20-BJ |
|
| Yes | WSK-M06P-CC is used to fabricate this (customer fabrication) |
|||||||
| 1500 r/min | No | 0.85kW, 1.3kW, 1.8kW | WSK-M04P-CC is used to fabricate this (customer fabrication) |
|||||
| Yes | WSK-M06P-CC is used to fabricate this (customer fabrication) |
|||||||
| Motor type | GYS500D7-□□2 | GYS101D7-□□2 | GYS201D7-□□2 | GYS401D7-□□2 | GYS751D7-□□2 |
|---|---|---|---|---|---|
| Rated output [kW] | 0.05 | 0.1 | 0.2 | 0.4 | 0.75 |
| Rated torque [N･m] | 0.159 | 0.318 | 0.637 | 1.27 | 2.39 |
| Rated speed [r/min] | 3000 | ||||
| Max. speed [r/min] | 6000 | ||||
| Max. torque [N･m] | 0.478 | 0.955 | 1.91 | 3.82 | 7.17 |
| Inertia [kg･m2] | 0.0192×10-4 | 0.0371×10-4 | 0.135×10-4 | 0.246×10-4 | 0.853×10-4 |
| Rated current [A] | 0.85 | 0.85 | 1.5 | 2.7 | 4.8 |
| Max. current [A] | 2.55 | 2.55 | 4.5 | 8.1 | 14.4 |
| Winding insulation class | Class B | ||||
| Degree of enclosure protection | Totally enclosed, self-cooled (IP 67, excluding the shaft sealing and connectors)*1 | ||||
| Terminals (motor) | Cable 0.3m (with connector) | ||||
| Terminals (encoder) | Cable 0.3m (with connector) | ||||
| Overheat protection | Not provided (The servo amplifier detects temperature.) | ||||
| Mounting method | By securing motor flange IMB5 (L51), IMV1 (L52), IMV3 (L53) | ||||
| Encoder | 24-bit serial encoder (absolute/incremental) | ||||
| Vibration level*2 | V5 or below | ||||
| Installation place, environment | For indoor use (free from direct sunlight), locations without corrosive and flammable gases, oil mist and dust | ||||
| Altitude | Altitude ≤ 1000m | ||||
| Ambient temperature, humidity | -10 to +40°C (without freezing), within 90% RH max. (without condensation) | ||||
| Vibration resistance [m/s2] | 49 | ||||
| Mass [kg] | 0.45 | 0.55 | 1.2 | 1.8 | 3.4 |
| Standards | UL/cUL (UL1004), CE marking (EN60034-1, EN60034-6), RoHS directive | ||||
Servomotor
| Model | Rated speed (Max. speed) |
Power supply | Rated output | Servomotor type | Protective construction | Encoder | Type | |
|---|---|---|---|---|---|---|---|---|
| GYS motor Ultra-low Inertia |
3000r/min 0.75kW or lower: 6000r/min 1.0kW or higher: 5000r/min |
200V series | 11 types 0.05 to 5.0kW |
● | ● | IP67 *1 | 24bit ABS | GYS***D7-EB2(-B) |
| 24bit INC | GYS***D7-NB2(-B) | |||||||
| GYB motor Medium Inertia |
3000r/min (6000r/min) |
3 types 0.2, 0.4, 0.75kW |
● | ● | IP67 *1 | 24bit ABS | GYB***D7-EB2 (-B/-C/-D) |
|
| 24bit INC | GYB***D7-NB2 (-B/-C/-D) |
|||||||
| GYG motor Medium Inertia |
2000r/min (3000r/min) |
3 type 1.0, 1.5, 2.0kW |
● | ● | IP67 *1 | 24bit ABS | GYG***C7-EB2-(B) | |
| 24bit INC | GYG***C7-NB2-(B) | |||||||
| 1500r/min (3000r/min) |
2 type 0.85, 1.3, 1.8kW |
● | ● | IP67 *1 | 24bit ABS | GYG***B7-EB2-(B) | ||
| 24bit INC | GYG***B7-NB2-(B) | |||||||
Servo Amplifier
| Model | Command interface | Control mode | Power supply | Capacity | Type | Applicable motor series | |||
|---|---|---|---|---|---|---|---|---|---|
| Positioning function | Position | Speed | Torque | ||||||
| High-speed serial bus (VS type) |
SX bus | ● | ● | ● | ● |
Single-phase or 3-phase 200 to 240VAC 3-phase 200 to 240VAC |
0.05 to 0.75kW 1.0 to 5.0kW |
RYT***F7-VS2 | GYS GYB GYG |
| LS type (SX bus) | ● |
Single-phase or 3-phase 200 to 240VAC 3-phase 200 to 240VAC |
0.05 to 0.75kW 1.0 to 5.0kW |
RYT***F7-LS2 | |||||
| General-purpose interface (VV type) |
General-purpose (Pulse / analog / positioning / Modbus) | ● | ● | ● | ● |
Single-phase or 3-phase 200 to 240VAC 3-phase 200 to 240VAC |
0.05 to 0.75kW 1.0 to 5.0kW |
RYT***F7-VV2 | |
| ● | ● | ● | ● | 3-phase 200 to 240VAC | 1.0 to 5.0kW | ||||
| Open Network (VC type) |
EtherCAT | ● | ● | ● | ● |
Single-phase or 3-phase 200 to 240VAC 3-phase 200 to 240VAC |
0.05 to 0.75kW 1.0 to 5.0kW |
RYT***F7-VC2 | GYS GYB GYG |
|
Catalog Name
|
Catalog Number[size]
|
Last Update
|
|
|---|---|---|---|
| Alpha 7 | - - |
- -
|
Alpha 7 |
Applications
- Multi-axis packaging and palletizing
- Precision machining and CNC
- Electronic assembly and inspection
- High-speed textile or printing machinery
- Robotics and AGV drive systems
Why Choose
- Ultra-responsive, high-performance motion control
- Flexible connectivity with legacy and modern controllers
- Reduced commissioning time with auto-tuning
- Compact and reliable design for harsh industrial environments
- Backed by Fuji Electric’s global quality and support
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