Series Modbus Operating Guide Contents Contents Introduction and Safety Purpose of this Operating Guide Additional Resources Safety Symbols Qualified Personnel Safety Precautions Abbreviations Version History Overview Modbus Features and Technical Data Communication Profiles and Objects 2.2.1 iC Speed Profile 2.2.1.1...
Other supplemental publications, drawings, and guides are available at www.danfoss.com/service-and-support/documenta- tion/. Latest versions of Danfoss product documentation are available for download at http://drives.danfoss.com/downloads/portal/. 1.3 Safety Symbols The following symbols are used in this guide: D A N G E R Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
2.2.1 iC Speed Profile The iC Speed profile is used with the iC7 series. iC Speed profile differs from the PROFIdrive profile, because it does not have a state machine. It is only controlled by the actual state 1/0 of the control bits, not the sequence in which they are manipulated.
Series Modbus Operating Guide Overview Name Description num- • CTW Bit 10 = 0. • HMI is in local mode. • MyDrive® Insight has taken control. • Control places do not include fieldbus. Frequency limit ok/Out 1 = The output frequency is within the defined motor limits.
Series Modbus Operating Guide Overview Name Description Num- 0 = Quick stop activated (OFF3). Switching on inhibi- 1 = Switching on inhibited. 0 = Switching on not inhibited. Warning 1 = A warning has occurred. 0 = There are no warnings.
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Series Modbus Operating Guide Overview Name Description Further information Pre-charge This bit is only used when the DC-link pre-charge 0: Stop the DC-link pre-charge, if ongoing. is controlled by the application. 1: Start or continue the DC-link pre-charge. Reserved...
Series Modbus Operating Guide Overview 2.2.4 iC DC/DC Converter Profile 2.2.4.1 Control Word (CTW) in iC DC/DC Converter Table 11: Fieldbus Control Word Name Description Further Information Switch On Enable 0: Running is prevented or interrupted 1: Running is not prevented or interrupted...
Overview The iC7 series communication interface has 2 Ethernet ports (X1 and X2) and an embedded switch with 2 Ethernet RJ45 connectors. It has 1 MAC and IP address, and is considered a single device in the network. The communication interface supports 3 network topologies: •...
Series Modbus Operating Guide Modbus Data Mapping 3.2 Mapping Modbus Holding Registers A Modbus holding register is a bit binary data item which can be both read and written. Registers can be mapped to a specific parameter by using the customization feature in MyDrive® Insight.
Series Modbus Operating Guide Fieldbus Cable Connections 4 Fieldbus Cable Connections 4.1 Prerequisites for Installation Communication interfaces are integrated in the control board in iC7 drives. 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 drive design guide.
Series Modbus Operating Guide Fieldbus Cable Connections Illustration 8: Communication Port X0, X1, and X2 Locations in System Modules Ethernet port (X0) Ethernet port (X2) Ethernet port (X1) 4.4 EMC-compliant Installation To obtain an EMC-compliant installation, follow the instructions provided in the drive-specific design guide and the installation guide included in the shipment.
Series Modbus Operating Guide Modbus Configuration 5 Modbus Configuration 5.1 General Connectivity Settings General connectivity settings are in parameter group 10 Connectivity → Integrated Communication → Protocols → General Settings. Table 19: General Connectivity Parameters Menu in- Parameter Param-...
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Series Modbus Operating Guide Modbus Configuration Configure IPv4 settings. In MyDrive Insight, go to Setup and Service → Interface configuration → Interface X1/X2 → IPv4 settings. ® In the control panel, navigate to parameter group 10.2 Communication Interfaces. Table 23: IPv4 Settings...
Series Modbus Operating Guide Modbus Configuration N O T I C E When configuring PRP, it is important to notice the assignment of the Ethernet ports: X1 = LAN A X2 = LAN B LAN B LAN A Illustration 11: Example of Parallel Redundancy 5.5 Configuring Modbus Unit Identifier...
Series Modbus Operating Guide Troubleshooting 6 Troubleshooting 6.1 Configuring Port Mirroring Settings Enable/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.
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Series Modbus Operating Guide Troubleshooting LED label Status LED pattern Description Lost Modbus connection Flashing red A Modbus TCP connection has failed, but 1 is still active (loss of I/O connection). Lost all Modbus connections Steady red Modbus TCP connections have failed (no I/O connection).
Series Modbus Operating Guide Modbus Features 7.4 Read Device Identity The Read Device Identity function code is for reading the device manifest data via Modbus Encapsulated Interface transport. Table 30: Request Structure Function code 0x2B MEI Type 0x0E MEI type specific data...
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