Danfoss iC7-Hybrid Modbus Operating Manual
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Danfoss iC7-Hybrid Modbus Operating Manual

Danfoss iC7-Hybrid Modbus Operating Manual

Modbus tcp os7mt
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Operating Guide
iC7-Hybrid Modbus
Modbus TCP OS7MT
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Summary of Contents for Danfoss iC7-Hybrid Modbus

  • Page 1 Operating Guide iC7-Hybrid Modbus Modbus TCP OS7MT drives.danfoss.com |...

  • Page 3: Table Of Contents

    Operating Guide | iC7-Hybrid Modbus Contents Contents 1 Introduction and Safety 1.1 Purpose of the Operating Guide 1.2 Additional Resources 1.3 Safety Symbols 1.4 Qualified Personnel 1.5 Safety Precautions 1.6 Abbreviations 1.7 Trademarks 1.8 Version History 2 Product Overview 2.1 Modbus Features and Technical Data 2.2 Communication Profiles and Objects...
  • Page 4 Operating Guide | iC7-Hybrid Modbus Contents 5 Configuration 5.1 Configuring Fieldbus Protection Settings 5.1.1 Fieldbus Protection Settings for DC/DC Converter 5.1.2 Fieldbus Protection Settings for Grid Converter 5.1.3 Fieldbus Protection Settings for Generator 5.2 Configuring the Ethernet Interface 5.3 Configuring Parallel Redundancy Protocol 5.4 Configuring Modbus Unit Identifier...

  • Page 5: Introduction And Safety

    Facts Worth Knowing about AC Drives, available for download on www.danfoss.com. Other supplemental publications, drawings, and guides are available at www.danfoss.com.

  • Page 6: Qualified Personnel

    Operating Guide | iC7-Hybrid Modbus Introduction and Safety ISO warning symbol for hot surfaces and burn hazard ISO warning symbol for high voltage and electric shock ISO action symbol for referring to the instructions 1.4 Qualified Personnel Correct and reliable transport, storage, installation, operation, and maintenance are required for the trouble-free and safe operation of the product.

  • Page 7: Abbreviations

    Operating Guide | iC7-Hybrid Modbus Introduction and Safety   WARNING DISCHARGE TIME The drive or power converter contains DC-link capacitors, which can remain charged even when the drive or power converter is not powered. High voltage can be present even when the warning indicator lights are off.

  • Page 8: Trademarks

    Operating Guide | iC7-Hybrid Modbus Introduction and Safety Table 1: Abbreviations (continued) Abbreviation Definition Internet protocol Control panel Light-emitting diode LLDP Link layer discovery protocol Least significant bit Main actual value Modbus encapsulated interface Main reference value Most significant bit...

  • Page 9: Product Overview

    Operating Guide | iC7-Hybrid Modbus Product Overview 2 Product Overview 2.1 Modbus Features and Technical Data Fieldbus options for iC7 are integrated in the control board. Fieldbuses are enabled on communication interfaces X1 and X2 only. Modbus TCP is offered as standard, and other protocols such as PROFINET RT can be selected in the configurator when ordering a drive or power converter, or alternatively, they can be activated later by a proof-of-purchase token.

  • Page 10: Ic Generic

    Operating Guide | iC7-Hybrid Modbus Product Overview Table 5: Communication Profiles and Supported Applications Profile Grid Converter DC/DC Converter Generator iC Generic – – iC Speed – – iC Hybrid PROFIdrive – – 2.2.2 iC Generic 2.2.2.1 Overview The iC Generic profile is used for motor control operation with the iC7 Series Generator application software.

  • Page 11: Status Word

    Operating Guide | iC7-Hybrid Modbus Product Overview Table 6: iC Generic Profile Control Word Bits (continued) Name Description Data Valid 0: Ignores the current process data. Uses the previously processed data when the Data Valid bit was previously true. 1: Reads the current process data.

  • Page 12: Ic Hybrid

    Operating Guide | iC7-Hybrid Modbus Product Overview Table 7: iC Generic Profile Status Word Bits (continued) Name Description Drive Running 0: The drive is not running. 1: The drive is running. Fault Active 0: No active drive faults. 1: One or more drive faults are active. Switching on is inhibited.
  • Page 13 Operating Guide | iC7-Hybrid Modbus Product Overview 2.2.3.2 Control Word Table 8: Control Word Bits in iC Hybrid Profile Name Description Switch On Enabled 0: Pre-charging , closing the main circuit breaker , and running are prevented or interrupted. If the main circuit breaker is closed, it...
  • Page 14 Operating Guide | iC7-Hybrid Modbus Product Overview Table 8: Control Word Bits in iC Hybrid Profile (continued) Name Description Fieldbus Digital Input 2 0: Fieldbus Digital Input 2 inactive. 1: Fieldbus Digital Input 2 active. Select the value CTW B13 for any input parameter to use this signal to ac- tivate a function.

  • Page 15: Ic Speed

    Operating Guide | iC7-Hybrid Modbus Product Overview Table 9: Status Word Bits in iC Hybrid Profile (continued) Name Description Run Enabled 0: Run enable from the dedicated input signal is missing. 1: Run enable from the dedicated input signal is present.
  • Page 16 Operating Guide | iC7-Hybrid Modbus Product Overview Table 10: iC Speed Profile Control Word Bits (continued) Bit number Name Description Event Reset The rising edge of this signal resets events (warnings, faults, and so on), which do not have active triggering conditions.

  • Page 17: Profidrive Application Class

    Operating Guide | iC7-Hybrid Modbus Product Overview Table 11: iC Speed Profile Status Word Bits (continued) Bit number Name Description Coast 0: There is an active coast stop command and the drive is in a coast stop state. 1: There are no active coast signals. The drive can be started.
  • Page 18 Operating Guide | iC7-Hybrid Modbus Product Overview 2.2.5.2 Control Word Table 12: Control Word Bits in PROFIdrive Standard Telegram 1 Bit number Name Description On-Off 0: The drive cannot operate. A running drive is stopped with a ramp to zero speed. A resettable Switching On Inhibited state is reset.
  • Page 19 Operating Guide | iC7-Hybrid Modbus Product Overview Table 12: Control Word Bits in PROFIdrive Standard Telegram 1 (continued) Bit number Name Description Fieldbus Digital Input 2 0: Fieldbus Digital Input 2 inactive. 1: Fieldbus Digital Input 2 active. Select the value CTW B13 for any input parameter to use this signal for the activation of a selected function.
  • Page 20 Operating Guide | iC7-Hybrid Modbus Product Overview Table 13: Status Word Bits in PROFIdrive Standard Telegram 1 (continued) Bit number Name Description Warning 0: All drive warnings are inactive. 1: One or more warnings are active. Speed Error Within/Out of Tolerance Range 0: Speed error out of tolerance range.

  • Page 21: Network Topologies

    Operating Guide | iC7-Hybrid Modbus Product Overview S3: Switching ON inhibited STW bit 6=true 0, 1, 2=false Coast stop Coast stop Standstill AND No coast stop OR quick stop CTW bit 1=false AND No quick stop CTW bit 1=false CTW bit 0=false...

  • Page 22: Star Topology

    Operating Guide | iC7-Hybrid Modbus Product Overview   NOTICE When line topology is used, take precautions to avoid timeout in the PLC when more than 8 drives or power converters are installed in series. Each drive or power converter in the network adds a small delay to the communication due to the built-in Ethernet switch.

  • Page 23: Ring Topology

    Operating Guide | iC7-Hybrid Modbus Product Overview Figure 3: Example of Star Topology 2.3.4 Ring Topology Ring topology enables the same simpler cabling and reduced cabling costs as line topology, but also reduces the damage caused by a single cable failure in a similar manner as star topology.
  • Page 24 Operating Guide | iC7-Hybrid Modbus Product Overview Figure 4: Example of Ring Topology | Danfoss Drives Oy © 2025.03 AQ485333770758en-000301 / 172K4943C...

  • Page 25: Modbus Data Mapping

    Operating Guide | iC7-Hybrid Modbus Modbus Data Mapping 3 Modbus Data Mapping 3.1 Mapping Modbus Coils A Modbus coil is a single-bit binary data item which can be both read and written. Coils can be mapped to specific bits in a parameter by using the customization feature in MyDrive®...
  • Page 26 Operating Guide | iC7-Hybrid Modbus Modbus Data Mapping Table 15: Holding Register Mapping Location Reference type Reference (parameter number) DC/DC Converter, Grid Converter Generator Parameter Fieldbus Control Word (1335) FB PCD Control Word (1335) Parameter Reserved Reserved Parameter Reserved Reserved...

  • Page 27: Mapping Modbus Input Registers

    Operating Guide | iC7-Hybrid Modbus Modbus Data Mapping Table 16: Holding Register Settings (continued) Column Description Register type Data type of the mapped parameter. By default, the Customizer selects a regis- ter type that matches the data type of the selected parameter.

  • Page 28: Setting Permissions

    Operating Guide | iC7-Hybrid Modbus Modbus Data Mapping Input registers can be mapped to specific parameters by using the customization feature in MyDrive® Insight. In MyDrive® Insight, go to Customization > Live > MODBUS > Coils. – To add a single register, click the + Add Item icon.
  • Page 29 Operating Guide | iC7-Hybrid Modbus Modbus Data Mapping Table 20: Example of an Export Package Package name (Default: Fully Qualified Domain Name) Package version (Default: 1.0.0) Danfoss Drives Oy © 2025.03 AQ485333770758en-000301 / 172K4943C |...

  • Page 30: Fieldbus Cable Connections

    Operating Guide | iC7-Hybrid Modbus Fieldbus Cable Connections 4 Fieldbus Cable Connections 4.1 Prerequisites for Installation Communication interfaces are integrated in the control board in iC7 drives and power converters. The position of the connections differs based on the control board concept and frame, for example. For more information on the location of the connections, cabling, and shielding, refer to the product-specific design guide.

  • Page 31: Installation In System Modules

    Operating Guide | iC7-Hybrid Modbus Fieldbus Cable Connections Figure 7: Communication Port X0, X1, and X2 Locations in FK06–FK08 Frames FK09–FK10 FK11–FK12 See Tech. Doc for Info 45 24V 46 S.INA+ 13 DI1 14 DI2 47 S.INB+ 48 S.FB+ 15 DI/DO1...

  • Page 32: Emc-Compliant Installation

    Operating Guide | iC7-Hybrid Modbus Fieldbus Cable Connections Figure 9: Communication Port X0, X1, and X2 Locations in the Modular Control Unit Ethernet port (X0) Ethernet port (X1) Ethernet port (X2) 4.4 EMC-compliant Installation 4.4.1 Overview To obtain an EMC-compliant installation, follow the instructions provided in the product-specific design guide and the installation guide included in the shipment.
  • Page 33 Operating Guide | iC7-Hybrid Modbus Fieldbus Cable Connections 4.4.3 Cable Routing For more information on cabling, refer to the product-specific design guide and installation guide included in the shipment.   NOTICE EMC INTERFERENCE Failure to isolate fieldbus communication, motor, and brake resistor cables can result in unintended behavior or reduced performance. ...

  • Page 34: Configuration

    Operating Guide | iC7-Hybrid Modbus Configuration 5 Configuration 5.1 Configuring Fieldbus Protection Settings 5.1.1 Fieldbus Protection Settings for DC/DC Converter The general fieldbus settings are in parameter group Parameters > Protections and Responses > Fieldbus Protections. Table 21: Fieldbus Protection Setting Parameters for DC/DC Converter...

  • Page 35: Fieldbus Protection Settings For Grid Converter

    Operating Guide | iC7-Hybrid Modbus Configuration Table 22: Event Descriptions Value Description No response The event is ignored. Info The event is logged in the event log. Warning The drive or power converter issues a warning. Warning, Current Lim. Ramp - A warning is issued, and the positive/negative active current limits are ramped to preset values.

  • Page 36: Fieldbus Protection Settings For Generator

    Operating Guide | iC7-Hybrid Modbus Configuration Table 23: Fieldbus Protection Setting Parameters for Grid Converter (continued) Parameter Parameter Value Description number 5244 No response Select the drive response for the fieldbus watchdog Fieldbus Watchdog event. Info Response Warning (default) Warning, Current Lim. Ramp –...
  • Page 37 Operating Guide | iC7-Hybrid Modbus Configuration Table 25: Fieldbus Protection Setting Parameters for Generator Parameter Parameter Value Description number 1303 No response Select the behavior when a fieldbus fault, for exam- Fieldbus Fault Response ple, loss of I/O connection occurs.

  • Page 38: Configuring The Ethernet Interface

    Operating Guide | iC7-Hybrid Modbus Configuration Table 26: Event Descriptions (continued) Value Description Fault, ramp to coast The drive or power converter issues a fault, and ramps the motor speed to 0 before stopping modu- lation. Fault, coast The drive or power converter issues a fault and modulation is stopped.

  • Page 39: Configuring Parallel Redundancy Protocol

    Operating Guide | iC7-Hybrid Modbus Configuration 5.3 Configuring Parallel Redundancy Protocol The parallel Redundancy Protocol (PRP) is based on the parallel transmission of information by sending duplicate frames to 2 independent network infrastructures known as LAN A and LAN B. Each PRP node has a connection to each of the networks called double attached nodes (DAN) in PRP terminology.

  • Page 40: Configuring Modbus Unit Identifier

    Operating Guide | iC7-Hybrid Modbus Configuration IMPORTANT: When configuring PRP, it is important to notice the assignment of the Ethernet ports: X1 = LAN A ¢ X2 = LAN B ¢ LAN B LAN A Figure 11: Example of Parallel Redundancy 5.4 Configuring Modbus Unit Identifier...
  • Page 41 Operating Guide | iC7-Hybrid Modbus Configuration Table 29: Parameters for Modbus Data Settings Parameter Parameter Value Description name number 7061 Disable Persistent Storage enables storing parameters written via Persistent Modbus in non-volatile memory. Enable Storage IMPORTANT: Enabling Persistent Storage causes a decrease in Modbus communication performance.

  • Page 42: Troubleshooting

    Operating Guide | iC7-Hybrid Modbus Troubleshooting 6 Troubleshooting 6.1 Configuring Port Mirroring Settings Enable or disable the port mirroring function for network troubleshooting with a network analyzer tool. In MyDrive® Insight, go to Setup and Service > Interface Configuration > Port Mirroring Settings.
  • Page 43 Operating Guide | iC7-Hybrid Modbus Troubleshooting 1420 Speed WARN READY FAULT WARN READY FAULT Figure 12: Fieldbus Indicator LEDs on Control Panel Blind Panel Control Panel 2.8 Fieldbus indicator LEDs (ST, X1, and X2) Figure 13: Fieldbus Indicator LEDs on Modular Control Board The LED labeled ST shows the module status.
  • Page 44 Operating Guide | iC7-Hybrid Modbus Troubleshooting Table 31: Fieldbus Indicator LED Functions LED label Status LED pattern Description Standby Flashing green No active Modbus TCP connections. I/O connection ok Solid green Modbus TCP connection active. Lost Modbus connection Flashing red A Modbus TCP connection has failed, but 1 is still active (loss of I/O connection).

  • Page 45: Modbus Features

    Operating Guide | iC7-Hybrid Modbus Modbus Features 7 Modbus Features 7.1 Data Objects Table 32: Supported Object Types Object type Access Size Coil Read/write 1 bit Input register Read only 16 bits Holding register Read/write 16 bits 7.2 Function Codes The function code of a message frame contains 8 bits.

  • Page 46: Data Field

    Operating Guide | iC7-Hybrid Modbus Modbus Features 7.3 Data Field The data field is constructed using sets of 2 hexadecimal digits in the range of 00–FF hexadecimal. These digits are made up of 1 TCP character. The data field of messages sent from a client to a server device contains extra information, which the server must use to act as defined by the function code.
  • Page 47  ...
  • Page 48 Danfoss reserves the right to alter its products without notice. This also applies to products ordered but not delivered provided that such alterations can be made without changes to form, fit or function of the product. All trademarks in this material are property of Danfoss A/S or Danfoss group companies.

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