Inovance ISMH4-75B30CB-U Z Series

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Table of Contents

Questions and Answers:

B
Beth PriceAug 18, 2025
What to do if the LED display is not on for Inovance Controller?
- F
  fjohnsonAug 19, 2025
  If the LED display of your Inovance Controller is not on or doesn't show "rdy", it could be due to several reasons. First, the control power voltage might be abnormal, so measure the AC voltage between L1C and L2C. Second, the main power voltage might be abnormal; for a single-phase 220 V model, measure the AC voltage between L1 and L2. If the DC bus voltage amplitude (voltage between P and -) is lower than 200 V, "nrd" will be displayed. Third, the program burning terminal might be shorted, so check it. Finally, the servo drive itself might be faulty.
S
Sara KelleyAug 21, 2025
Why is the shaft of my Inovance ISMH4-75B30CB-U Z's servo motor in free running status?
- J
  Jenna WalkerAug 21, 2025
  If the shaft of your servo motor is in a free running status, ensure the S-ON signal is valid by setting the operation panel to servo status display and checking if it displays "rdy" instead of "run". Also, verify that the control mode selection is correct by checking if H02-00 is set to 1.
S
Shannon WheelerAug 23, 2025
Why doesn't the servo motor rotate in my Inovance ISMH4-75B30CB-U Z?
- H
  Holly HolmesAug 23, 2025
  If your Inovance Controller's servo motor does not rotate, it could be due to an internal torque reference (H0B-02) being 0. Check whether the polarity of the input signal is reversed.
C
Curtis WoodAug 26, 2025
Why is my Inovance ISMH4-75B30CB-U Z Controller's servo motor rotating in the reverse direction?
- B
  Brent AbbottAug 26, 2025
  If the servo motor of your Inovance Controller rotates in the reverse direction, and you're using AI to input torque reference, check whether the polarity of the external voltage input signal is reversed, as the internal torque reference (H0B-02) might be negative.
R
Randall RowlandAug 28, 2025
What causes the servo motor of Inovance ISMH4-75B30CB-U Z Controller to not rotate or have abnormal speed?
- E
  etaylorAug 28, 2025
  If the servo motor does not rotate or the motor speed is abnormal, it might be caused by incorrect AI wiring. Verify that the analog input channel is selected correctly and that the selected AI terminal is wired correctly.
D
deborahgreeneAug 30, 2025
How to fix unsteady motor speed on Inovance ISMH4-75B30CB-U Z?
- C
  crystalclarkAug 30, 2025
  If the motor speed of your Inovance Controller is not steady, perform automatic gain tuning, as the gain might be set improperly.
A
Andrew DavisSep 1, 2025
What causes the motor shaft to vibrate left and right on Inovance ISMH4-75B30CB-U Z?
- M
  Marvin BrownSep 1, 2025
  If the motor shaft vibrates left and right, it might be because the load inertia ratio (H08-15) is too large. Perform inertia auto-tuning and automatic gain tuning on your Inovance Controller.
V
vincent72Sep 4, 2025
What to do if the servo motor of Inovance ISMH4-75B30CB-U Z Controller does not rotate?
- S
  Steven EspinozaSep 4, 2025
  If your Inovance Controller's servo motor does not rotate, it could be due to the input reference pulse counter (H0B-13) being 0. Check whether the high/low-speed pulse input terminal is wired correctly. Alternatively, it could be that the position reference is not input. Check whether FunIN.13: INHIBIT (pulse input forbidden) or FunIN.37: PulseInhibit (pulse forbidden) is used.
T
Theresa SimsSep 6, 2025
Why does my Inovance ISMH4-75B30CB-U Z Controller's servo motor jitter at low speed?
- N
  Nathaniel Waters Jr.Sep 6, 2025
  If your Inovance Controller's servo motor jitters at low speed, it might be because the motor speed is not steady. The gain may be set improperly.
J
Jesse WilsonSep 8, 2025
What to do if Inovance ISMH4-75B30CB-U Z's servo drive is faulty?
- T
  Tracy MeyerSep 8, 2025
  Replace the servo drive.

Inovance ISMH4-75B30CB-U Z Series Specifications

General

Category	Controller
Rated Input Voltage	3-phase 380VAC
Rated Output Current	30A
Storage Temperature	-20°C to +60°C
Cooling Method	Forced air cooling
Enclosure Rating	IP20
Overload Capacity	150% for 60 seconds
Communication Interface	CANopen
Protection Features	Overcurrent, overvoltage, undervoltage, overload, short circuit, overheating
Humidity	5% to 95% (non-condensing)
Altitude	Up to 1000m (derating above 1000m)
Model	ISMH4-75B30CB-U Z Series
Power Supply	3-phase 380VAC (-15% ~ +10%), 50/60Hz

Summary

Safety Information and Precautions

Electrical Safety Precautions

Critical safety measures for high voltages and lethal risks during operation.

Personnel and System Safety

Requirements for trained personnel and safe system design for hazard prevention.

Chapter 1 Product Information

Servo Drive Overview and Specifications

Designation rules, nameplate, and specifications for the IS620P Servo Drive.

Servo Motor Specifications

Motor designation, nameplate, and mechanical characteristics.

Chapter 2 Wiring

Servo System Wiring Examples

Wiring diagrams for single-phase and three-phase servo system configurations.

Terminal Connector Arrangements

Pin layout and arrangement of main circuit and signal connectors.

Chapter 3 Operation and Display

Keypad and Display Functions

Overview of keypad layout, functions, and display modes.

Parameter and Password Management

Procedures for parameter setting and user password configuration.

Chapter 4 Quick Setup

Control Mode and Reference Configuration

Setting control modes, reference sources, and I/O functions.

Chapter 5 Troubleshooting

Startup and Running Troubleshooting

Diagnosing and resolving issues during initial startup and normal operation.

Chapter 6 Parameter Table

Core Parameter Groups Overview

Key parameter groups including motor, drive, control, I/O, and tuning settings.

Fault, Protection, and Communication Settings

Configuration of fault protection, monitoring, and communication parameters.

DIDO Function Definitions

Detailed explanations of digital input and output functions.

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