Servo Motors NX Series

NX975MS-1

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NXM975M NXD75-S

Motor/Control Circuit

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Motor / Control Circuit NX975MS-1 SGD 2,348 USD 1,878 Sản phẩm dự kiến ngừng sản xuất
(30.1.2026 Đơn hàng cuối cùng)
  • *Vui lòng liên hệ với chúng tôi về việc mua sản phẩm.
  • *Sản phẩm sẽ ngừng sản xuất vào ngày 31.3.2026. Vui lòng đặt hàng trước thời hạn này. 

Bao gồm

  • Motor, Control Circuit, Motor Connection Cable (1 m), Encoder Connection Cable (1 m), Cable for Electromagnetic Brake (1 m), I/O Signal Connector, Motor Connector, Connector for Regeneration Resistor Input/Main Power Input Terminals, Connector for 24 VDC Power Supply Input/Regeneration Resistor Thermal Input/Electromagnetic Brake Connection Terminal, Connector Wiring Lever

Thông số kỹ thuật

Kích thước

Motor
Motor

Motor

Control Circuit
Control Circuit

Control Circuit

Cable
Cable

Cable

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Các thông số kỹ thuật khác

Driver Circuit Specifications

Host Interface Pulse input/analog speed command voltage/analog torque command voltage
Maximum Input Pulse Frequency Line Driver output by Host Controller: 500 kHz (at 50 % duty)
Open-Collector Output by Host Controller: 250 kHz (at 50 % duty)*
Protective Function

When the following protective functions are activated, an alarm signal is output to stop the motor.

Excessive position deviation, overcurrent protection, overheat protection, overvoltage protection, main power supply error, undervoltage, motor overheat protection, sensor error during operation, encoder communication error, overload, overspeed, position range error, absolute position loss, command pulse error, EEPROM error, sensor error during initialization, rotor rotation during initialization, encoder EEPROM error, motor combination error, ABS not supported, no battery, regeneration resistor overheat, electronic gear setting error
Input Signals
  • Photocoupler Input, Input Resistance: 3 kΩ, Input Signal Voltage: 4.75~26.4 V
    (S-ON, CLR/ALM-RST/P-CK, P-REQ/BRAKE, TL/W-RESET, M0, M1, P-PRESET/M2, FREE)
  • Photocoupler Input, Input Resistance: 2.7 kΩ, Input Voltage: 21.6~26.4 V
    (CW+24 V/PLS+24 V, CCW+24 V/DIR+24 V)
  • Photocoupler Input, Input Resistance: 200 Ω, Input Voltage: 3~5.25 V
    (CW/PLS, CCW/DIR)
  • Analog Input
    Setting by internal potentiometer
    (VR1, VR2)
    Analog input voltage ±10 V Input impedance 15 kΩ
    Setting by external potentiometer 20 kΩ 1/4 W
    (V-REF, T-REF, P-VREF, P-TREF)
Output Signals
  • Photocoupler and Open-Collector Output, External Use Condition: 30 VDC, 10 mA max.
    (ALM, WNG/MOVE/MBC, END/VA, READY/AL0/P-OUTR, TLC/VLC/AL1/P-OUT0, ZSG2/zsNEAR/ZV/AL2/P-OUT1)
  • Line Driver Output
    External Use Conditions: Connect a termination resistor of 100 Ω min. between the input of the line receiver terminals.
    (ASG, BSG, ZSG1)
  • Analog Monitor Output, Analog Output Voltage ±10 V, Output Impedance 1 kΩ
    (V-MON, T-MON, SG)
Other Functions Position control, speed control, torque control, tension control
Automatic tuning, damping control function (7~30 Hz), position preset function, present position output function, torque limiting function
Pulse input mode (2-pulse input, 1-pulse input), analog monitor output function (speed, torque), absolute system enable/disable
Warning output function (excessive position deviation, overheat, overvoltage, main power supply, undervoltage, battery undervoltage, overload, excessive speed, absolute position loss, electronic gear setting error)
Extended Functions
[When using control module (OPX-2A) sold separately, or support software (MEXE02) ]		 For details on extended functions, refer to each control mode specification.
  • * The value when the general-purpose cable (CC36D1E) (sold separately) is used.

Position Control Mode Specifications

Item Factory Setting Extended Functions
Command Modes

Select 1 mode from the following pulse input modes.

  • 2-pulse input mode (factory setting)
  • 1-pulse input mode

Select 1 mode from the following pulse input modes.

  • 2-pulse input mode
  • 1-pulse input mode
  • Phase difference input mode (set by internal parameters)
Maximum Input Pulse Frequency Line Driver Output by Host Controller: 500 kHz (at 50 % duty)
Open-Collector Output by Host Controller: 250 kHz (at 50 % duty)*1
Resolution 1000 P/R 100~100000 P/R
Encoder Output Resolution 1000 P/R 100~10000 P/R
Damping Control Frequency Disable/7~30 Hz (internal potentiometer VR1)

Can be set with either 1 analog + 3 internal parameters for a total of 4 types, or 4 internal parameters with ① and ② below.

①
Internal potentiometer VR1 (volume) 1 type
②
3 or 4 internal parameter settings
Disable/7~30 Hz (internal potentiometer VR1)
Disabled/7~100 Hz (internal parameter settings)
Absolute System Position
Management Range		 -2,147,483,648~2,147,483,647 pulses
Present Position Output 2-bit serial output
Tuning Auto only
[Auto]
Select rigidity setting (SW2) from 16 levels.
Estimates the load inertia, and automatically adjusts gain according to the rigidity setting.		 Auto, semi-auto, and manual selections are available.
[Auto]
Select rigidity setting (SW2 or internal parameter) from 16 levels.
Estimates the load inertia, and automatically adjusts gain according to the rigidity setting.
[Semi-Auto]
Select rigidity setting (SW2 or internal parameter) from 16 levels.
Enter the load inertia ratio.
[Manual]
Select rigidity (SW2 or internal parameter) from 16 levels.
Enter the load inertia ratio.
All gains can be set manually.
Torque Limiting 0~300 % (100 % is the rated torque.)
External potentiometer*2 (T-REF)		 0~300 % (100 % is the rated torque. Internal parameters can be set in 1 % increments)
Setting by external potentiometer*2 (T-REF) and internal parameters
  • When using the extended functions, the separately sold control module (OPX-2A) or support software (MEXE02) is required.
*1
The value when the general-purpose cable (CC36D1E) (sold separately) is used.
*2
Separately-sold accessory sets are available.

Speed Control Mode Specifications

Item Factory Setting Extended Functions
Command Modes

2 speeds can be set in ① and ② below.

①
Internal potentiometer VR1 (Volume) 1 speed
②
External potentiometer* V-REF (Volume or external DC voltage selection) 1 speed
  • Setting by Volume: 20 kΩ 1/4 W
  • Setting by External DC Voltage: ±0~10 VDC Input impedance 15 kΩ

Set 8 speeds with either ①, ②, or ③ below, for a total of 2 analog speeds + 6 internal parameter settings, or 8 internal parameter settings.

①
Internal potentiometer VR1 (Volume) 1 speed
②
External potentiometer* V-REF (Volume or external DC voltage selection) 1 speed
  • Setting by Volume: 20 kΩ 1/4 W
  • Setting by External DC Voltage: ±0~10 VDC Input impedance 15 kΩ
③
Internal parameter setting 6 speed or 8 speed
Speed Setting Range 10~5500 r/min (Analog speed setting VR1, V-REF) 10~5500 r/min (Analog speed setting VR1, V-REF)
1~5500 r/min (Internal parameter settings)
Acceleration/Deceleration Time Setting Range 5 ms~10 s/(1000 r/min) (Acceleration/deceleration time per 1,000 r/min)
Internal potentiometer (VR2)		 5 ms~10 s/(1000 r/min) (Acceleration/deceleration time per 1,000 r/min)
Setting selection of internal potentiometer (VR2) or internal parameter setting is possible
Speed Regulation Load ±0.05 % max. (0 to rated torque, rated speed, rated voltage, at normal ambient temperature)
Voltage ±0.05 % max. (Power supply input voltage range, 3000 r/min no load)
Temperature ±0.05 % max. (VR1, V-REF at analog speed setting)
Common Specifications: Operating ambient temperature 0~+50 °C, rated speed, no load, rated voltage		 ±0.05 % max. (VR1, V-REF at analog speed setting)
±0.05 % max. (at internal parameter setting)
Common Specifications: Operating ambient temperature 0~+50 °C, rated speed, no load, rated voltage
Torque Limiting 0~300 % (100 % is the rated torque.)
Setting by external potentiometer* (T-REF)		 0~300 % (100 % is the rated torque. Internal parameters can be set in 1 % increments)
Setting by external potentiometer* (T-REF) and internal parameters
Operation During Motor Standstill -

Operations can be selected when the motor is at standstill

  • Motor non-excitation
  • servo lock stop (motor excitation)
Tuning Auto only
[Auto]
Select rigidity setting (SW2) from 16 levels.
Estimates the load inertia, and automatically adjusts gain according to the rigidity setting.		 Auto, semi-auto, and manual selections are available.
When the motor standstill operation is set to "servo lock stop," the position loop gain and speed feed-forward are set in the same way as for position control.
[Auto]
Select rigidity setting (SW2 or internal parameter) from 16 levels.
Estimates the load inertia, and automatically adjusts gain according to the rigidity setting.
[Semi-Auto]
Select rigidity setting (SW2 or internal parameter) from 16 levels.
Enter the load inertia ratio.
[Manual]
Select rigidity (SW2 or internal parameter) from 16 levels.
Enter the load inertia ratio.
All gains can be set manually.
Encoder Output Resolution 1000 P/R 100~10000 P/R
  • When using the extended functions, the separately sold control module (OPX-2A) or support software (MEXE02) are required.
  • * Separately-sold accessory sets are available.

Torque Control Mode Specifications

Item Factory Setting Extended Functions
Command Modes

2 types can be set with ① and ② below.

①
Internal potentiometer VR1 (Volume) 1 type
②
External potentiometer* T-REF (Volume or external DC voltage selection) 1 type
  • Setting by Volume: 20 kΩ 1/4 W
  • Setting by External DC Voltage: ±0~10 VDC Input impedance 15 kΩ

Set 8 types with either ①, ②, or ③ below, for a total of 2 analog types + 6 internal parameter settings, or 8 internal parameter settings.

①
Internal potentiometer VR1 (Volume) 1 type
②
External potentiometer* T-REF (volume or external DC voltage selection) 1 type
  • Setting by Volume: 20 kΩ 1/4 W
  • Setting by External DC Voltage: ±0~10 VDC Input impedance 15 kΩ
③
6 or 8 internal parameter settings
Torque Control Range 0~300 % (100 % is the rated torque.) 0~300 % (100 % is the rated torque. Internal parameters can be set in 1 % increments)
Speed Limit 0~5500 r/min
Setting by internal potentiometer (VR2) or external potentiometer* (V-REF)		 0~5500 r/min (internal parameters can be set in 1 r/min increments)
Setting by internal potentiometer (VR2), external potentiometer* (V-REF), and internal parameters
Encoder Output Resolution 1000 P/R 100~10000 P/R
  • When using the extended functions, the separately sold control module (OPX-2A) or support software (MEXE02) is required.
  • * Separately-sold accessory sets are available.

Tension Control Mode Specifications

Item Factory Setting Extended Functions
Command Modes

2 types can be set with ① and ② below.

①
Internal potentiometer VR1 (Volume) 1 type
②
External potentiometer* T-REF (Volume or external DC voltage selection) 1 type
  • Setting by Volume: 20 kΩ 1/4 W
  • Setting by External DC Voltage: ±0~10 VDC Input impedance 15 kΩ

Set 8 types with either ①, ②, or ③ below, for a total of 2 analog types + 6 internal parameter settings, or 8 internal parameter settings.

①
Internal potentiometer VR1 (Volume) 1 type
②
External potentiometer* T-REF (Volume or external DC voltage selection) 1 type
  • Setting by Volume: 20 kΩ 1/4 W
  • Setting by External DC Voltage: ±0~10 VDC Input impedance 15 kΩ
③
6 or 8 internal parameter settings
Control Modes Simple Mode Controls the tension so that it is constant when the feed speed is constant. Controls the tension so that it is constant when the feed speed is constant.
High Function Mode I - Automatically calculates the current rewind (unwinding) diameter based on the initial diameter, material thickness, and final diameter. Tension is controlled to remain constant regardless of the operating speed.
High Function Mode II - In addition to the content of High Function I, the load inertia is calculated inside the driver from the material moment of inertia and core moment of inertia. The tension is controlled so that it remains constant even during acceleration and deceleration.
Tension Control Range 0~100 % (100 % is the rated torque.) 0~100 % (100 % is the rated torque. Can be set in 1 % increments)
Speed Limit 0~5500 r/min
Set by internal potentiometer (VR2) external potentiometer* (V-REF)		 0~5500 r/min (can be set in 1 r/min increments)
Set by internal potentiometer (VR2), external potentiometer* (V-REF), and internal parameters
Minimum Speed Select minimum speed in simple mode with SW2.
Setting range is 0 (10 r/min)~F (3000 r/min) in 16 steps.
Encoder Output Resolution 1000 P/R 100~10000 P/R
  • When using the extended functions, the separately sold control module (OPX-2A) or support software (MEXE02) is required.
  • * Separately-sold accessory sets are available.

General Specifications

Classification Motor Driver
Thermal Class 130 (B) -
Insulation Resistance

100 MΩ or more when a 500 VDC megger is applied between the following places:

  • Between case and motor windings
  • Between case and electromagnetic brake windings

100 MΩ or more when a 500 VDC megger is applied between the following places:

  • Between "PE terminal" and "AC main power connector, motor connector"　
  • Between "DC control power supply connector, I/O connector, encoder connector, control module connector, battery connector" and "AC main power supply connector, motor connector"
     
Dielectric Strength

Sufficient to withstand the following for 1 minute.

  • 1.5 kVAC 50 Hz or 60 Hz between　case and motor windings
  • 1.0 kVAC 50 Hz or 60 Hz between　case and electromagnetic brake windings

Sufficient to withstand the following for 1 minute.

  • Between "PE terminal" and "AC main power supply connector, motor connector" 1.5 kVAC 50 Hz or 60 Hz
  • Between "DC control power supply connector, I/O connector, encoder connector, control module connector, battery connector" and "AC main power supply connector, motor connector" 1.8 kVAC 50 Hz or 60 Hz
     
Operating Environment
(When Operating)		 Ambient Temperature 0~+40 °C (Non-freezing) 0~+50 °C*2 (Non-freezing)
Ambient Humidity 85 % max. (Non-condensing)
Atmosphere No corrosive gases. No exposure to oil or other liquids. No corrosive gases or dust. No exposure to water, oil or other liquids.
Degree of Protection IP65
(Except for mounting surface and connector parts)		 IP20
Shaft Runout 0.05 T.I.R. (mm)*1 -
Concentricity of Installation Pilot to the Shaft 0.075 T.I.R. (mm)*1 -
Perpendicularity of Mounting Surface to the Shaft 0.075 T.I.R. (mm)*1 -
*1
T.I.R. (Total Indicator Reading): The total dial gauge reading when the measurement section is rotated once around the reference axis center.
*2
If the ambient temperature of the driver exceeds 40 °C, check the "Motor Continuous Output Derating Curve" below.

Note

  • Disconnect the motor and driver for insulation resistance measurement or conducting a dielectric strength test.
    Also, do not conduct these tests on the motor encoder section.
Disconnect the motor and driver when measuring insulation resistance, or conducting a dielectric strength test. Also, do not conduct these tests on the motor encoder section.

Motor Continuous Output Derating Curve

If the operating ambient temperature of the driver exceeds 40 °C, keep the continuous output of the motor inside the derating curve shown below. Note, derating is not required for the 50 W and 400 W rated output power types.

Motor Continuous Output Derating Curve

Permissible Radial Load and Permissible Axial Load

Type Motor Frame Size Product Name Gear Ratio Permissible Radial Load [N] Permissible Axial Load
[N]		 Permissible Moment Load [N·m]
Distance from Shaft End [mm]
0 5 10 15 20 25 30 35
Standard Type 42 mm NXM45
NXM410		 - 81 88 95 104 - - - - 59 -
60 mm NXM620
NXM640		 230 245 262 281 304 - - - 98 -
85 mm NXM975 376 392 408 426 446 467 491 - 147 -
PS Geared Type 60 mm NXM65
NXM610		 5 170 200 230 270 320 - - - 200 -
10 220 250 290 350 410 - - -
25 300 340 400 470 560 - - -
90 mm NXM920
NXM940		 5 380 420 470 540 630 - - - 600 -
10 480 530 590 680 790 - - -
25 650 720 810 920 1070 - - -
PJ Geared Type 80 mm NXM810
NXM820		 5 300 330 350 380 400 430 460 500 300 16
10 450 480 510 540 570 610 650 700 400 33
25 680 710 750 780 840 900 950 1000 600 60
104 mm NXM1040
NXM1075		 5 650 700 730 750 800 830 880 920 500 30
10 900 950 1000 1050 1100 1180 1230 1300 650 66
25 1350 1400 1480 1550 1600 1650 1750 1850 1000 120
  • The product names are listed such that the product names are distinguishable.
  • PS Geared Type: Reference Input Rotation Speed: 3000 r/min (This is a value that satisfies the calculated lifetime of 10000 hours when either a permissible radial load or permissible axial load is applied.)
    Click here for information about gearhead life

Radial Load and Axial Load

Permissible Radial Load and Permissible Axial Load

Rotation Direction

This indicates the rotation direction when viewed from the output shaft side.
Please check the table below for the gearhead output shaft rotation direction as viewed from the motor output shaft side of the standard type.

Type Gear Ratio Rotation Direction as Viewed From the Motor Output Shaft Side
PS Geared Type Overall gear ratio Same direction
Standard Type Motor

Tiêu chuẩn

Regulations and Standards Materials

Documents about compliance with regulations and standards can be downloaded from the "Data Download" tab on the product details page.
(The types of files available for download vary by product.)

Explanations of the Global Laws, Regulations and Standards can be found here.

Information about our compliance with regulations and standards for each of our product series can be found here.

Hazardous Substances

The product does not contain any substances (10 substances) exceeding the regulation values of the RoHS Directive (2011/65/EU, 2015/863/EU).

Cấu hình hệ thống

System Configuration

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