Danfoss MCA 122 Modbus TCP Operating Instructions Manual
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Danfoss MCA 122 Modbus TCP Operating Instructions Manual

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MAKING MODERN LIVING POSSIBLE
Operating Instructions
MCA 122 Modbus TCP

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Summary of Contents for Danfoss MCA 122 Modbus TCP

  • Page 1 MAKING MODERN LIVING POSSIBLE Operating Instructions MCA 122 Modbus TCP...
  • Page 3 Correct protective earthing or grounding of the equipment must be established. The user must In no event shall Danfoss be liable for direct, indirect, be protected against supply voltage, and the special, incidental, or consequential damages arising out of...
  • Page 4 Safety MCA 122 Modbus TCP Warning against Uninteded Start The motor can be brought to a stop with bus commands while the frequency converter is connected to mains. These stop functions do NOT provide protection against unintended starts. While parameters are being changed, there is a risk that motor starts.

  • Page 5: Table Of Contents

    Contents MCA 122 Modbus TCP Contents 1 Introduction 1.1 Introduction 1.1.1 About this Manual 1.1.2 Assumptions 1.1.3 Background Knowledge 1.1.4 Available Literature 1.1.5 Modbus Conformance 1.1.6 Abbreviations 2 How to Install 2.1 The Modbus TCP Option 2.1.1 How to Install Option in Frequency Converter 2.1.2 LED Behaviour...
  • Page 6 Contents MCA 122 Modbus TCP 4.3.3 PROFIdrive State - Transition Diagram 4.4 Danfoss FC Control Profile 4.4.1 Status Word according to Frequency Converter Profile (STW) 4.5 Reference Handling 4.5.1 Bus Speed Reference Value 5 Parameters 5.1 Parameter Group 8-** 5.2 Parameter Group 12-** 5.2.1 12-0* IP Settings...

  • Page 7: Introduction

    AutomationDriveFC 302 IP21/Type 1 These operating instructions are under the conditions that Instruction, provides information for installing the the MCA 122 Modbus TCP option is used with a Danfoss IP21/Type 1 option. FC 100/FC 202/FC 300 frequency converter, and that the installed option supports the interfaces described in this ®...

  • Page 8: Abbreviations

    Introduction MCA 122 Modbus TCP 1.1.6 Abbreviations Abbreviation Definition Actual Packet Interval Control Card Common Industrial Protocol Control Word DHCP Dynamic Host Configuration Protocol Electromagnetic Compatibility Input/Output Internet Protocol Local Control Panel Light Emitting Diode Least Significant Bit Major Recoverable fail...

  • Page 9: How To Install

    How to Install MCA 122 Modbus TCP 2 How to Install 2.1 The Modbus TCP Option Ethernet Port 1 Ethernet Port 2 Ethernet Port 1 Ethernet Port2 Option A MCA122 MS LED 130B1196 MODBUS TCP NS LEDs MAC 00-1B-08-00-00-00 Address SW.

  • Page 10: Led Behaviour

    How to Install MCA 122 Modbus TCP NOTICE Instructions Remove LCP panel from the frequency converter. After installing the MCA 122 option, be aware of the following parameter settings: Remove the frame located beneath and discard it. 8-01 Control Site: [2] control word only or [0] Digital and ctrl.

  • Page 11: Topology

    How to Install MCA 122 Modbus TCP 2.1.3 Topology The MCA 122 features a built-in Ethernet-switch, thus having two Ethernet RJ-45 connectors. This enables the possibility for connecting several Modbus TCP options in a line topology as an alternative to the typical star-topology.

  • Page 12: Network

    How to Install MCA 122 Modbus TCP ½ AutomationDrive AutomationDrive AutomationDrive AutomationDrive AutomationDrive AutomationDrive AutomationDrive 130BA905.10 Illustration 2.6 Ring/Redundant Line Topology 2.1.4 Network more information regarding IP-switching, refer to 3.4.1 IP Traffic. It is of high importance that the media chosen for Ethernet 2.1.5 Recommended Design Rules...
  • Page 13 How to Install MCA 122 Modbus TCP Illustration 2.7 ® MG90P202 - VLT is a protected Danfoss trademark...

  • Page 14: Emc Precautions

    How to Install MCA 122 Modbus TCP 2.1.6 EMC Precautions coupling of high frequency noise from one cable to another NOTICE • Maintain the greatest possible distance (min. 200 mm (8 inches)) between cables. Especially, where Relevant national and local regulations, for example regarding protective earth connection, must be observed.

  • Page 15: How To Configure

    How to Configure MCA 122 Modbus TCP 3 How to Configure Server DHCP Server, the IP address of the found DHCP or BOOTP server is displayed. 3.1 IP Settings For DHCP only: The remaining lease-time can be read-out All IP-related parameters are located in parameter group in 12-05 Lease Expires Lease Expires.

  • Page 16: Configuring The Scanner

    How to Configure MCA 122 Modbus TCP NOTICE 12-14 Link Duplex – displays/sets the duplex mode per port. The Ethernet Link Parameters are unique per port. Half-duplex provides communication in both directions, but only in one direction at a time (not simultaneously).
  • Page 17 “Function” menu and enables the Ethernet by selecting “ETH TCP IP” This brings up the Net Link menu, where “Danfoss” has to be selected. At this time, the “Danfoss” Protocol is assigned to the Scanner and the last step is to configure the scanner to read and write holding registers of the FC 302.
  • Page 18 How to Configure MCA 122 Modbus TCP Illustration 3.4 Net Link Menu Menu Menu point Setting Function Function ETH TCP IP Net Link Net Link Danfoss Table 3.5 Menu Settings ® MG90P202 - VLT is a protected Danfoss trademark...

  • Page 19: Ip Traffic

    How to Configure MCA 122 Modbus TCP At this time the “Danfoss” Protocol is assigned to the Scanner and the last step is to configure the scanner to read and write holding registers of the FC 302. By first selecting the Danfoss network and second, selecting the IO Scanning tab, the scanning list appears. Fill out the list as shown in Illustration 3.5.
  • Page 20 How to Configure MCA 122 Modbus TCP When loops occur, some switches see stations appearing on both sides of them. This condition confuses the forwarding algorithm and allows for duplicate frames to be forwarded. To provide path redundancy, Spanning-Tree Protocol defines a tree that spans all switches in an extended network.

  • Page 21: How To Control

    How to Control MCA 122 Modbus TCP 4 How to Control function code tells the slave what action to perform. When the slave responds to the master, it uses the function code 4.1 How to Control the Frequency to indicate either a normal (error-free) response, or that Converter some error occurred (called an exception response).

  • Page 22: Ind

    How to Control MCA 122 Modbus TCP 4.2.5 IND 4.2.9 Modbus Exception Codes Some parameters in the frequency converter are array parameters e.g. 3-10 Preset Reference. Since the Modbus For a full explanation of the structure of an exception code does not support arrays in the Holding registers, the response, refer to 4.2 Modbus TCP Message Framing...

  • Page 23: Profidrive Control Profile

    How to Control MCA 122 Modbus TCP 4.3 PROFIdrive Control Profile When bit 02="1", the frequency converter is in State 1: “Switching on inhibited”. This section describes the functionality of the control word Refer to Illustration 4.1. and status word in the PROFIdrive profile. Select this Bit 03, Coasting/No coasting profile by setting 8-10 Control Word Profile.

  • Page 24: Status Word According To Profidrive Profile (Stw)

    How to Control MCA 122 Modbus TCP NOTICE Bit 09, Jog 2 OFF/ON Activation of the pre-programmed speed in 8-91 Bus Jog 2 Bit 15 causes reversing only when Ser. communication, Speed. JOG 2 is only possible if bit 04="0" and bit Logic or or Logic and is selected.

  • Page 25: Profidrive State - Transition Diagram

    How to Control MCA 122 Modbus TCP When bit 03="1", the frequency converter has tripped and Bit 12, Drive OK/Stopped, autostart requires a reset signal before it can start. When bit 12="0", there is no temporary overloading of the inverter.
  • Page 26 How to Control MCA 122 Modbus TCP Illustration 4.1 PROFIdrive State Transition Diagram ® MG90P202 - VLT is a protected Danfoss trademark...

  • Page 27: Danfoss Fc Control Profile

    How to Control MCA 122 Modbus TCP 4.4 Danfoss FC Control Profile Bit 02, DC brake Bit 02=‘0’ leads to DC braking and stop. Braking current and duration are set in 2-01 DC Brake Current and 2-02 DC Braking Time. Bit 02=‘1’ leads to ramping, 3-41 Ramp 1 →...

  • Page 28: Status Word According To Frequency Converter Profile (Stw)

    How to Control MCA 122 Modbus TCP 4.4.1 Status Word according to Frequency Bit 09, Selection of ramp 1/2 Converter Profile (STW) Bit 09=‘0’ means that ramp 1 is active (3-40 Ramp 1 Type to 3-47 Ramp 1 S-ramp Ratio at Decel. Start). Bit 09=‘1’ means that ramp 2 (3-50 Ramp 2 Type to 3-57 Ramp 2 S-ramp Ratio at Decel.

  • Page 29: Reference Handling

    How to Control MCA 122 Modbus TCP Bit 04=‘1’ means that there is a frequency converter error Bit 15, Thermal OK/limit exceeded but no trip. Bit 15=‘0’ means that the timers for both motor thermal protection and frequency converter thermal protection, Bit 05, Reserved have not exceeded 100%.
  • Page 30 How to Control MCA 122 Modbus TCP CAUTION If the bus speed reference is negative, and the control word contains a run reverse signal, the frequency converter will run clockwise (- to - is +). MAV is scaled in the same way as the reference.

  • Page 31: Parameters

    Parameters MCA 122 Modbus TCP 5 Parameters 8-03 Control Word Timeout Time 5.1 Parameter Group 8-** Range: Function: [ 0.1 - Enter the maximum time expected to pass 8-01 Control Site 18000 s] between the reception of two consecutive telegrams. If this time is exceeded, it indicates...
  • Page 32 Parameters MCA 122 Modbus TCP 8-05 End-of-Timeout Function 8-13 Configurable Status Word STW Option: Function: Option: Function: Select the action after receiving a valid control [10] T18 DI status. The bit indicates the status of terminal 18. “0” indicates that the terminal is low word following a time-out.
  • Page 33 Parameters MCA 122 Modbus TCP 8-13 Configurable Status Word STW 8-14 Configurable Control Word CTW Option: Function: Option: Function: [71] Logic Rule 1 See parameter group 13-4* Logic Rules. If Selection of control word bit 10, if it is active Logic Rule 1 is evaluated as TRUE, the low or active high.

  • Page 34: Parameter Group 12

    Parameters MCA 122 Modbus TCP 8-52 DC Brake Select 8-55 Set-up Select Option: Function: Option: Function: Select control of the DC brake via the terminals Select control of the frequency converter set-up (digital input) and/or via the fieldbus. selection via the terminals (digital input) and/or NOTICE via the fieldbus.

  • Page 35: Ethernet Link Parameters

    Parameters MCA 122 Modbus TCP 5.2.2 12-1* Ethernet Link Parameters 12-02 Subnet Mask Range: Function: [000.000.000.000 - Configure the IP subnet mask of the Applies for whole parameter group. 255.255.255.255] option. Read-only if 12-00 IP Address Assignment set to DHCP or BOOTP.

  • Page 36: Process Data

    Parameters MCA 122 Modbus TCP 5.2.3 12-2* Process Data 5.2.4 Modbus TCP 12-21 Process Data Config Write 12-40 Status Parameter Range: Function: Range: Function: [[0 - 9] PCD read 0 - 9] Configuration of readable process Read only. Displays the Modbus TCP- specific 16-bit data.

  • Page 37: Other Ethernet Services

    Parameters MCA 122 Modbus TCP 5.2.5 12-8* Other Ethernet Services 12-92 IGMP Snooping Option: Function: 12-80 FTP Server This prevents flooding of the Ethernet protocol Option: Function: stack by only forwarding multicast packets to ports that are a member of the multicast group.

  • Page 38: Parameter List

    Parameters MCA 122 Modbus TCP 12-98 Interface Counters 12-99 Media Counters Range: Function: Range: Function: 4000 [0 - 4294967295 ] Read only. Advanced Interface [0 - 4294967295 ] Read only. Advanced Interface counters, counters, from built-in switch, can be from built-in switch, can be used for...
  • Page 39 Parameters MCA 122 Modbus TCP Parameter Default Value Range Conversion Index Data Type Array 12-0* IP Settings 12-00 IP Address Assignment 0.0.0.0 0-255 Unsigned 8 12-01 IP Address 0.0.0.0 0-255 Oct. string 4 12-02 Subnet Mask 0.0.0.0 0-255 Oct. string 4 12-03 Default Gateway 0.0.0.0...

  • Page 40: Data Types

    Parameters MCA 122 Modbus TCP 5.4 Data Types 5.4.1 Data Types Supported by FC 102/FC 202/FC 302 The number to the left refers to a conversion figure, the one on the right to be used when writing or reading parameters.

  • Page 41: Troubleshooting

    Troubleshooting MCA 122 Modbus TCP 6 Troubleshooting 6.1 Step-by-step Troubleshooting Check: LEDs The option contains two LEDs to indicate the state of the device and the network. During normal operation the MS and at least one NS LED shows a constant green light.
  • Page 42 Troubleshooting MCA 122 Modbus TCP NOTICE Bit (Hex) Alarm word 2 (16-91 Alarm Word 2) The availability of the individual alarms and warnings are 00000001 Service Trip, Read/Write dependent on the frequency converter type. 00000002 Reserved 00000004 Service Trip, Typecode/...
  • Page 43 Troubleshooting MCA 122 Modbus TCP Bit (Hex) Warning word Bit (Hex) Warning word 2 (16-92 Warning Word) (16-93 Warning Word 2) 00000001 Brake check 00000001 Start Delayed 00000002 Power card over temperature 00000002 Stop Delayed 00000004 Earth fault 00000004 Clock Failure...
  • Page 44 Troubleshooting MCA 122 Modbus TCP Bit (Hex) Extended status word Bit (Hex) FC 200 Extended status word 2 (16-94 Ext. Status Word) FC 202 (16-95) only !! FC 202 only !! 00000001 Ramping 00000001 00000002 AMA Running 00000002 Hand/Auto 00000004...

  • Page 45: Index

    Index MCA 122 Modbus TCP Index Modbus Conformance..................3 Exception Codes................18 Abbreviations................... 4 Alarm Word..................... 37 Network............3, 10, 15, 31, 33, 37, 6, 8 Assumptions..................... 3 Overview....................5 Background Knowledge............... 3 Parameter Values.................. 18 Cabling....................33, 37 Parameters..................iv, 11 Configuration..............
  • Page 46 130R0446 MG90P202 Rev. 2013-05-02 *MG90P202*...

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