YASKAWA SGMCS series direct drive servo motor

YASKAWA SGMCS series direct drive servo motor

Core positioning

The YASKAWA SGMCS series directly drives servo motors and SGDS/SGDH series servo amplifiers, providing full process guidance for high-precision industrial equipment design. The core focus is on the three major advantages of high torque, high precision, and no backlash of gearless direct drive technology, covering product lineup, technical parameters, system configuration, wiring specifications, peripheral equipment selection, and order reference in detail. It is suitable for high-precision application scenarios such as semiconductor manufacturing, LCD panel production, electronic component assembly, and IC testing, helping engineers achieve equipment miniaturization, high performance, and low maintenance design.

Product System and Model Interpretation

（1） Servo motor (SGMCS series)

1. Product classification and core specifications

Capacity level, outer diameter specification (mm), model series, rated torque (N · m), peak torque (N · m), rated speed (min ⁻¹), maximum speed (min ⁻¹), rotor moment of inertia (kg · m ² × 10 ⁴)

Small Capacity 135 (Type B) 02B/05B/07B 2.0/5.0/7.0 6.0/15.0/21.0 200 500 28/51/77

175 (Type C) 04C/10C/14C 4.0/10.0/14.0 12.0/30.0/42.0 200-300 300-500 77/140/220

230 (D-type) 08D/17D/25D 8.0/17.0/25.0 24.0/51.0/75.0 150-200 250-500 285/510/750

290 (Type E) 16E/35E 16.0/35.0 48.0/105.0 150-200 250-500 930/1430

Medium capacity 280 (M-type) 45M/80M/1AM 45.0/80.0/110.0 135.0/240.0/330.0 150 300 388/627/865

360 (N-type) 80N/1EN/2ZN 80.0/150.0/200.0 240.0/450.0/600.0 150 250-300 1360/2470/3060

2. Model coding rules (taking SGMCS-04C3C11 as an example)

SGMCS: Identification of Direct Drive Servo Motor Series

04: Rated torque 4N · m

C: Motor outer diameter specifications (B=135mm, C=175mm, D=230mm, E=290mm, M=280mm, N=360mm)

3: Encoder type (3=20 bit absolute type (standard), D=20 bit incremental type (optional))

C: Installation flange specifications (1=no brake+drive end C-face, 3=no brake+non drive end C-face, 4=no brake+side outlet)

11: Design version number

3. Key characteristics

Accuracy configuration: 20 bit absolute encoder (standard), resolution 1048576 P/R, absolute accuracy ± 15 seconds, repeat positioning accuracy ± 1.3 seconds

Structural design: Fully enclosed self cooling (IP protection level), hollow shaft structure (compatible with wiring/piping), lightweight aluminum alloy shell

Environmental adaptation: working temperature 0-40 ℃, storage temperature -20-70 ℃, relative humidity 20% -80% (no condensation), vibration level V15

Electrical characteristics: Insulation level A (small capacity)/F (medium capacity), insulation resistance ≥ 10M Ω (500VDC), withstand voltage 1500VAC/1 minute

（2） Servo amplifier (SGDS/SGDH series)

1. Product classification and adaptation scope

Amplifier series power supply specifications, motor capacity, continuous output current (Arms), maximum output current (Arms), control mode, core functions

SGDS single-phase 100VAC small capacity (B/C/D type) 2.1-2.8 6.5-8.5 position/speed/torque control electronic gear, encoder frequency division, basic I/O control

Single phase 200VAC small capacity (B/C/D/E type) 2.1-11.6 6.5-28.0 Position/Speed/Torque Control Electronic Gear, Regenerative Resistance Connection, Fault Alarm

SGDH single-phase/three-phase 200VAC full capacity (B/C/D/E/M/N type) 2.1-24.8 6.2-56.0 position/speed/torque control (extended function) self-tuning, harmonic suppression, RS422 communication

2. Model coding rules (taking SGDS-02A01A as an example)

SGDS/SGDH: Identification of servo amplifier series (SGDH supports extended functions)

02: Maximum adaptive motor capacity (02=0.2kW, 04=0.4kW, 08=0.75kW, etc.)

A/F: Supply voltage (A=200VAC, F=100VAC)

01: Interface Specification (01=Standard Type: Analog Voltage/Pulse Reference)

A: Design version number

Core technical parameters and performance advantages

（1） Key performance indicators

Performance category specific parameter notes

Torque characteristics Rated torque: 2-200N · m; Peak torque: 6-600N · m Medium capacity models support long-term constant torque output

Speed characteristics Rated speed: 150-200min ⁻¹; Maximum speed: 250-500min ⁻¹ Low speed and high torque characteristics, no reduction mechanism required

Absolute positioning accuracy ± 15 seconds, repeated positioning accuracy ± 1.3 seconds, no gear backlash, and a 30% increase in positioning response speed

Control accuracy speed control range 1:5000, load regulation rate ± 0.01% (rated speed) suitable for high-precision speed/position control scenarios

Dynamic response rated angular acceleration of 170-1280 rad/s ² for quick start stop, reducing equipment cycle time

（2） Core technological advantages

Gearless direct drive design: eliminates backlash and slippage issues in gear transmission, improves positioning accuracy by over 50%, while reducing mechanical wear and maintenance without lubrication

High resolution encoding: 20 bit absolute encoder (1048576 P/R), supports multi turn data recording, meets micrometer level positioning requirements

Compact structure and layout: The motor is directly coupled with the load, saving installation space for the gearbox and reducing equipment volume by 20% -30%

Low noise and low-noise operation: No gear meshing noise, operating noise ≤ 60dB, suitable for low-noise environments such as clean rooms and laboratories

Multiple protection mechanisms: The motor side supports over temperature and over current protection; The amplifier side supports 10+protection functions such as overvoltage, undervoltage, overload, encoder error, etc

System configuration and wiring specifications

（1） System composition architecture

The complete system should include: SGMCS servo motor+SGDS/SGDH servo amplifier+peripheral devices (circuit breakers, filters, contactors, etc.)+connecting cables (power/SGMCS servo motor+SGDS/SGDH servo amplifier+peripheral devices (circuit breakers, filters, contactors, etc.)+connecting cables (power/encoders/I/O)

Power supply circuit: three-phase/single-phase power supply → MCCB (molded case circuit breaker) → noise filter → electromagnetic contactor → servo amplifier main circuit terminal

Control circuit: host controller → servo amplifier CN1 (I/O signal) → servo motor CN2 (encoder signal)

Auxiliary circuit: Regenerative resistor (optional), DC reactor (harmonic suppression), surge absorber

（2） Key wiring requirements

1. Main circuit wiring (power circuit)

Terminal definitions: amplifier L1/L2/L3 (power input), U/V/W (motor output), B1/B2 (regenerative resistor), FG (ground)

Cable specifications: AWG20 (0.5mm ²) for small capacity motors, AWG16 (1.25mm ²) for medium capacity motors, grounding cable cross-section ≥ 2.0mm ²

Grounding requirements: independent grounding, grounding resistance ≤ 100 Ω (200V system), motor FG terminal directly connected to amplifier FG terminal

2. Control circuit wiring (signal circuit)

Connector signal type core terminal functional wiring specification

CN1 (amplifier) I/O signal speed reference (V-REF), torque reference (T-REF), position pulse (PULS/IGN), servo ON (/S-ON) shielded twisted pair, with a maximum length of 3m and a distance of ≥ 30cm from the power cable

CN2 (amplifier) encoder signal encoder power supply (PG5V/PG0V), serial data (PS//PS), frame grounding (FG) shielded twisted pair, up to 50m, shielding layer single ended grounding (amplifier side)

Motor side connector power signal U/V/W (phase line), FG (chassis grounding) dedicated power cable (JZSP-CMM series), to avoid loose joints

3. Typical wiring diagram example

Single phase 200V system (SGDS amplifier+small capacity motor): L1/L2 connected to single-phase power supply, B1/B2 connected to regenerative resistor, CN1 connected to control signal, CN2 connected to encoder, motor U/V/W corresponding to amplifier output

Three phase 200V system (SGDH amplifier+medium capacity motor): L1/L2/L3 connected to three-phase power supply, 1/2 terminal connected to DC reactor, other interfaces consistent with single-phase system

（3） Selection of peripheral devices

Recommended equipment types, applicable scenarios, core parameters

Noise filter FN2070-6/07 (single-phase) suppresses power side electromagnetic interference 250VAC, 6A, insertion loss ≥ 25dB

FN258L-16/07 (three-phase) three-phase system harmonic suppression 480VAC, 16A, insertion loss ≥ 30dB

DC reactor X5054 (SGDS) reduces input current harmonic inductance by 5.0mH and rated current by 5.0A

X5059 (SGDH) three-phase system harmonic suppression inductor 1.0mH, rated current 14.0A

Electromagnetic contactor HI-11J (20A) controls the power on/off of amplifier 250VAC, 20A, with surge absorber

Digital operator JUSP-OP05A (SGDS) amplifier parameter configuration/monitoring 1m connection line, supports parameter upload and download

JUSP-OP02A-2 (SGDH) extension function debugging supports self-tuning and alarm traceability

Selection process and order reference

（1） Selection steps

Clear requirements: Determine load torque, speed, positioning accuracy, installation space, and power supply type (single-phase/three-phase)

Motor selection: Match the outer diameter and model of the motor according to the torque speed requirements (refer to the torque speed characteristic curve)

Amplifier selection: Choose SGDS/SGDH series according to motor capacity and power supply type to ensure that the output current covers the motor requirements

Peripheral device matching: Select circuit breakers, filters, and reactors based on amplifier power, and choose dedicated cables according to wiring length

Parameter confirmation: Check the ratio of motor moment of inertia to load moment of inertia (recommended ≤ 10:1) to ensure dynamic response performance

（2） Motor amplifier adaptation table

Motor model compatible with SGDS amplifier compatible with SGDH amplifier power supply type

SGMCS-02B/05B/07B 02F/02A 02AE single-phase 100V/200V

SGMCS-04C/10C/14C 04F/04A 04AE single-phase 100V/200V

SGMCS-08D/17D/25D 04F/04A 04AE single-phase 200V

SGMCS-16E/35E 08A 08AE single-phase 200V

SGMCS-45M/80M/1AM -10AE/15AE/20AE Three phase 200V

SGMCS-80N/1EN/2ZN-15AE/30AE three-phase 200V

（3） Selection of specialized cables

Recommended cable types, applicable scenarios, length specifications

Motor power cable JZSP-CMM60-03 small capacity motor (B/C/D type) 3/5/10/15/20m

JZSP-CMM00-03 Medium Capacity Motor (M/N Type) 3/5/10/15/20m

Encoder cable JZSP-CMP60-05 small capacity motor encoder connection 5/10/15/20m

JZSP-CMP00-03 Medium Capacity Motor Encoder Connection 3/5/10/15/20m

I/O signal cable JZSP-CSI01-1 (SGDS) amplifier and controller connection 1/2/3m

JZSP-CKI01-1 (SGDH) Extended I/O Signal Connection 1/2/3m

Key points for installation and maintenance

（1） Mechanical installation specifications

Installation direction: Vertical installation (amplifier), horizontal fixing of motor flange surface to avoid tilting and stress

Spacing requirement: Reserve ≥ 30mm heat dissipation space around the amplifier, and the flatness of the coupling surface between the motor and the load should be ≤ 0.02mm

Fixed screws: Use high-strength screws of grade 10.9 and tighten them according to the torque requirements of the model (M4: 3.6N · m, M5: 7.8N · m, M6: 14.7N · m)

（2） Maintenance cycle and matters

Daily maintenance: Clean the dust on the surface of the motor, check that the cables are not damaged and the joints are not loose

Regular inspection: Measure the insulation resistance of the motor (≥ 10M Ω) every 6 months, and check the stability of the encoder signal annually

Component replacement: amplifier cooling fan (4-5 years), electrolytic capacitor (7-8 years), motor bearings (5000 hours or 5 years)

Troubleshooting: When an alarm occurs, first disconnect the power and check the wiring. Then, read the alarm code through the operator and troubleshoot the cause according to the manual

Application scenarios and advantages adaptation

（1） Core application areas

Semiconductor manufacturing equipment: wafer handling robotic arm, chip inspection platform

Electronic assembly equipment: SMT machine, soldering machine, precision dispensing machine

Testing and measuring equipment: IC testing handler, optical testing platform

LCD panel equipment: panel handling, polarizer bonding, laser cutting

（2） Advantages of scene adaptation

High precision positioning scenario: Backless design meets ± 1 μ m positioning requirements, suitable for chip packaging and precision bonding

Low noise environment: No gear meshing noise, suitable for clean rooms and laboratory equipment

High torque and low-speed scenario: Directly drive the load without the need for a gearbox, suitable for heavy-duty workbenches and rotating indexing discs

Miniaturization design: Compact structure reduces equipment volume, suitable for automation equipment with limited space