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iX7NH Modbus TCP
Communication Guide
1st Edition Rev A, February 22nd, 2024
AutomationDirect Foreword
This communication guide will assist you with setting up Modbus TCP communications. For
help getting your iX7NH drive configured and commissioned using Drive CM, please download
the iX7NH Series AC Servo Drive Quick Start Guide first.
This Communication Guide is designed to support setting an iX7NH servo system to use
Modbus TCP communications. This AutomationDirect Guide is a supplement to the LS
Electric iX7NH User Manual. This Guide does not replace the manufacturer's User Manual. For
advanced features or options required by your application, you may still need to refer to the
User Manual. Download and reference both this Communication Guide and the iX7NH User
Manual when commissioning an iX7NH servo system.
A note on Part Numbers: LS Electric servo parts sold by AutomationDirect have part numbers
that end with "-AD". This suffix signifies special packaging and labeling for AutomationDirect.
All the LS servo products with the "-AD" function and behave exactly the same as the standard
LS Electric parts. Please note that when reading the LS electric User Manual or using the Drive
CM software, the "-AD" will NOT appear in any part numbers. For example, AutomationDirect
part iX7NHA004U-AD is just iX7NHA004U in the LS Electric documentation.
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Related Manuals for LS ELECTRIC iX7NH
Summary of Contents for LS ELECTRIC iX7NH
- Page 1 All the LS servo products with the “-AD” function and behave exactly the same as the standard LS Electric parts. Please note that when reading the LS electric User Manual or using the Drive CM software, the “-AD” will NOT appear in any part numbers. For example, AutomationDirect...
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Page 2: Table Of Contents
Warnings and Cautions � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 3 Using Modbus TCP to Control iX7NH Servo Drives � � � � � � � � � � � � � � � � � � � � � � � � � � � � 4 Configure the IP Addresses �... -
Page 3: Warnings And Cautions
CAUTION: Verify the emergency stop can be activated before the servo drive is connected to power and put into operation. For additional warnings and precautions, please see pages iii through vii of the iX7NH User Manual. iX7NH Modbus TCP Communication Guide – 1st Ed. Rev A 02/22/2024... -
Page 4: Using Modbus Tcp To Control Ix7Nh Servo Drives
Using Modbus TCP to Control iX7NH Servo Drives Use Drive CM to configure and start up the iX7NH drive. See page 5 of the iX7NH Quick Start Guide for details. This Modbus TCP guide assumes you have a fully commissioned iX7NH system that has no warnings/errors and the motor can be moved with the Drive CM Jog Screen and the PTP Move Screen. -
Page 5: Configure The Mac Id
• Ethernet Subnet Mask: 255�255�255�0 Configure the MAC ID The iX7NH drive allows the user to set the MAC ID for the ethernet hardware. The MAC ID is not read-only. The default MAC ID for all iX7NH drives is 00:80:E1:00:00:00. -
Page 6: Modbus Tcp Communication Timeout
The Modes of Operation (Parameter 0x6060) value is volatile and will reset to 1 on power cycle. If using the iX7NH in Profile Position mode (sending position moves from a controller), this is not an issue. If using the drive in Velocity or Torque Modes, remember to change this in your PLC code every power cycle. -
Page 7: Protocol Command Codes
Some input control bits can also alter the state machine like the control word does such as SV_ON. All other standard control registers can be used for creating the motion profile. iX7NH Modbus TCP Communication Guide – 1st Ed. Rev A 02/22/2024 Page 7 of 14... -
Page 8: Control Word
LED display). Remember to use Protocol Addresses (Base 0). Other coils for Protocol Command Code method of control can be found in iX7NH user manual section 13.4.2. NOTE: When using BOTH a physical digital input AND communications (coil 0x0012) for servo enable (SV_ON), both functions can enable and disable the drive, but comms cannot override a physical digital input SV_ON that is ON. - Page 9 This should be enough to show you the minimum procedure to set up the drive and PLC for Modbus TCP control. Refer to the iX7NH User Manual and this Quickstart Guide for more information and how to implement Homing Mode and the other control modes. Please also refer to ADC sample PLC programs that demonstrate the Modbus TCP capabilities of this drive and various PLCs.
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Page 10: Status Word
Though the two are related, the function names and state names are different. Bits Function Description Ready to switch on Switched on Operation enabled Fault Refer to the description in section 10�3 of the iX7NH user manual under 0x6041 Voltage enabled Quick stop Switch on disabled Warning – Reserved... -
Page 11: Procedure Command
Series Modbus TCP Communication Guide Procedure Command There are multiple auxiliary functions listed in section 9 of the iX7NH user manual . Some of these Procedures have similar functionality to the Control Word and to the Protocol Command Codes (coils). - Page 12 Digital input SV_ON is ON: drive is enabled. Procedure Command cannot override. Digital input SV_ON is OFF: drive can be enabled/disabled with the Procedure Command. iX7NH Modbus TCP Communication Guide – 1st Ed. Rev A 02/22/2024 Page 12 of 14...
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Page 13: The State Machine
Series Modbus TCP Communication Guide The State Machine To use the Control Word you must understand the state machine (section 5.1 in the iX7NH user manual). Below are the bit patterns for commanding the drive into different states. States 0 and 1 occur automatically on power on. - Page 14 Series Modbus TCP Communication Guide Blank Page iX7NH Modbus TCP Communication Guide – 1st Ed. Rev A 02/22/2024 Page 14 of 14...
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