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Drehmo i-matic Operating Manual

Modbus loop redundant board for i-matic actuators
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See also: Instruction Manual
MODBUS loop redundant board
for i-matic actuators
Complementary operating manual
for devices with MODBUS loop redundancy
INFORMATION
This installation manual has to be used in conjunction
with the actuator operating manual!
This manual must be kept for future use.

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Summary of Contents for Drehmo i-matic

  • Page 1 MODBUS loop redundant board for i-matic actuators Complementary operating manual for devices with MODBUS loop redundancy INFORMATION This installation manual has to be used in conjunction with the actuator operating manual! This manual must be kept for future use.
  • Page 2 Updated descriptions for diagnosis LEDs. (T-OF) Update Bus connection 2016-02-18 Added signal ESD active to process image, starting with FW rev. V2.02.0010. (T-OF) Contact DREHMO GmbH Zum Eichstruck 10 57482 Wenden Germany Service Tel.: +49 2762 9850-206...

  • Page 3: Table Of Contents

    Special function codes ....................26 6.3.1 Read exception-Status (Function code 07) ............26 6.3.2 Report Slave ID (Function code 17) ..............26 System functions ........................27 DREHMO – i-matic Modbus loop redundant board page 3 of 32 Complementary operating manual...
  • Page 4 Firmware download ......................27 7.1.1 Required items ......................27 7.1.2 Step by step description ..................28 7.1.3 Firmwaredownload using IrDA Converter ............31 Appendix ..........................32 Reference ......................... 32 DREHMO – i-matic Modbus loop redundant board page 4 of 32 Complementary operating manual...

  • Page 5: Warnings And Notes

    1 Warnings and notes 1.1 Standards / directives DREHMO products are designed and manufactured in compliance with recognized standards and directives. This is certified in a declaration of incorporation and a declaration of conformity. The end user or the contractor must ensure that all requirements with respect to assembly, electrical connection, and commissioning at the place of installation are met.

  • Page 6: Preface

    The repeater reconditions the MODBUS signal with a delay of 0.5 tBit. DREHMO – i-matic Modbus loop redundant board page 6 of 32 Complementary operating manual...

  • Page 7: Transmission Technique/Physical Layer

    . The master should also implement a communication monitoring resulting in a failure signalization in case of communication loss or malfunction. DREHMO – i-matic Modbus loop redundant board page 7 of 32 Complementary operating manual...

  • Page 8: Electrical Connection

    Wiring is carried out according to the wiring diagram supplied with the actuator. The locations of the connection terminals are shown in the following picture: diagnosis diagnosis channel 2 channel 1 channel 2 channel 1 shield shield channel 2 channel 1 DREHMO – i-matic Modbus loop redundant board page 8 of 32 Complementary operating manual...

  • Page 9: Shield Connection

    3.5 Lightning protection (option) The connection board can be equipped with dedicated components for lightning protection as an option. DREHMO – i-matic Modbus loop redundant board page 9 of 32 Complementary operating manual...

  • Page 10: Bus Cable

    9600 104 µs 1200 19200 52 µs 1200 38400 26 µs 1200 57600 17.36 µs 1200 115200 8,68 µs 1000 See reference: ‚Modbus over serial line’ DREHMO – i-matic Modbus loop redundant board page 10 of 32 Complementary operating manual...

  • Page 11: Jumper / Led's Of The Interface Board

    4 Jumper / LED’s of the interface board 4.1 Location of the components on the interface board DREHMO – i-matic Modbus loop redundant board page 11 of 32 Complementary operating manual...

  • Page 12: Connectors

    This LED indicates the state of the CAN communication to the main board. If this LED is constantly on, the communication is carried out with no failure. If this LED is off the communication is disturbed. DREHMO – i-matic Modbus loop redundant board page 12 of 32 Complementary operating manual...

  • Page 13: Led Ch1

    Bus ok, valid MODBUS telegrams detected. Slave is not addressed directly by the master via this channel. Bus ok, the slave is addressed directly by the master via this channel. DREHMO – i-matic Modbus loop redundant board page 13 of 32 Complementary operating manual...

  • Page 14: Communication Specific Parameters Modbus Rtu

    The MODBUS specific parameters can be set using the actuators display. The parameters can be found beneath the menu item Menu -> Parameter -> DCS/PLC System -> Interface -> MODBUS For further information regarding the operation of the display please refer to the i-matic instruction manual. 5.1.1.1 Primary slave address...
  • Page 15 The automatic configuration will only work with the loop redundant version if the interface. With all other versions this item will be ignored. If the automatic configuration is enabled the following parameters are obsolete: DREHMO – i-matic Modbus loop redundant board page 15 of 32 Complementary operating manual...
  • Page 16 115200 / 57600 / 38400 / 19200 / 9600 / 4800 / 2400 / 1200 / 600 / 300 Remark This parameter will be ignored if the loop redundant version is selected and the automatic configuration is enabled. DREHMO – i-matic Modbus loop redundant board page 16 of 32 Complementary operating manual...
  • Page 17 Watchdog time for communication monitoring in 0.1s. After expiration of this time the actuator will execute the parameterized fail safe reaction. Range 1..255 x 0.1s Remark DREHMO – i-matic Modbus loop redundant board page 17 of 32 Complementary operating manual...

  • Page 18: Parameter Settings Using A Parameterization Tool

    Parameter settings using a parameterization tool In addition to set the parameters using the display, parameters can also be set via the parameterization tool i-matic Explorer. DREHMO – i-matic Modbus loop redundant board page 18 of 32 Complementary operating manual...

  • Page 19: Modbus

    MODBUS PDU. This is the reason that in some cases the offset of 1 has to be subtracted to access the desired data. The following extract from the MODBUS standard describes this: DREHMO – i-matic Modbus loop redundant board page 19 of 32 Complementary operating manual...

  • Page 20: Valid Offsets/Subfunction Codes

    The data passed in the request data field will be returned within the response (loop back). 10 (0x0A) Clear counter Clear all counters and diagnostic registers. Counters diagnostic register are also cleared upon power up. DREHMO – i-matic Modbus loop redundant board page 20 of 32 Complementary operating manual...
  • Page 21 A character overrun is caused by data characters arriving at the port faster than they can be stored, or by the loss of a character due to a hardware malfunction. DREHMO – i-matic Modbus loop redundant board page 21 of 32 Complementary operating manual...

  • Page 22: Cyclic Data

    Final position OPEN Final position indication OPEN according to parameterization Depending on parameterization an overrun of the limit position results in an overflow of the given data range DREHMO – i-matic Modbus loop redundant board page 22 of 32 Complementary operating manual...
  • Page 23 (incorrect bit(s)) FO budget channel 2 Warning: FO cable system reserve reached (critical or permissible Rx receive level) FO module present FO module is present Reserve DREHMO – i-matic Modbus loop redundant board page 23 of 32 Complementary operating manual...

  • Page 24: Output Register

    “Lock display unit”. Enable LOCAL CLOSE Enables local operation of the actuator in CLOSE direction. The behavior depends on the parameter “Lock display unit”. Reserve DREHMO – i-matic Modbus loop redundant board page 24 of 32 Complementary operating manual...
  • Page 25 Reserve Reserve Command ESD Emergency shutdown command Reserve DREHMO – i-matic Modbus loop redundant board page 25 of 32 Complementary operating manual...

  • Page 26: Special Function Codes

    20-37 Electronic Code „iM00X-XX-XXX-XXX 38-50 Firmware Version „V1.XXXX/XXXX 51-70 TAG/KKS Plant identification code 71-83 Serial number 1 Serial number 84-96 Serial number 2 Serial number repeated DREHMO – i-matic Modbus loop redundant board page 26 of 32 Complementary operating manual...

  • Page 27: System Functions

    9-pole Sub-D cable for connecting the signal level converter to the serial communication port of a PC PC equipped with Windows operating system Programming software i-matic Explorer or FlashMagic Tool http://www.flashmagictool.com/ HEX-File with new firmware If the PC is not equipped with a 9-pole Sub-D RS232 Com-Port an additional USB to RS232 interface cable is necessary.

  • Page 28: Step By Step Description

    2.) Choose the transmission speed. The transmission speed 115200 is the highest selectable speed. This speed can only be used under ideal circumstances. A save and secure DREHMO – i-matic Modbus loop redundant board page 28 of 32 Complementary operating manual...
  • Page 29 5.) Choose the firmware download function by selecting the menu entry Service -> Firmware download… 6.) Select the mode to be used for Firmware download. Select option Hardboot and activate Erase flash machen. Click in Next. DREHMO – i-matic Modbus loop redundant board page 29 of 32 Complementary operating manual...
  • Page 30 7.) Choose the target for firmware download in the displayed dialog and proceed by clicking 8.) Choose the Hex File containing the binary data for download. 9.) By clicking the Open-Button the download will be started. DREHMO – i-matic Modbus loop redundant board page 30 of 32 Complementary operating manual...

  • Page 31: Firmwaredownload Using Irda Converter

    In addition to the described procedure it is possible to update the firmware without opening the actuator housing using an IrDA or Bluetooth converter (Depending on the actuator equipment). A detailed description of the update procedure can be found in the additional i-matic Explorer user manual.

  • Page 32: Appendix

    • Modicon, MODBUS Protocol Reference Guide, Rev J, June 1996 • MODBUS Application Protocol Specification V1.1b • MODBUS messaging on TCP/IP implementation guide V1.0b All documents can be obtained as PDF-Download at www.modbus.org DREHMO – i-matic Modbus loop redundant board page 32 of 32 Complementary operating manual...

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