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Copyrights, Limitation of Liability and Revision Rights.
This publication contains information proprietary to Danfoss A/S. By accepting and using this manual the user
agrees that the information contained herein will be used solely for operating equipment of Danfoss A/S or
equipment from other vendors provided that such equipment is intended for communication with Danfoss
equipment over a PROFIBUS serial communication link. This publication is protected under the Copyright laws of
Denmark and most other countries.
Danfoss A/S does not warrant that a software program produced according to the guidelines provided in this
manual will function properly in every physical, hardware or software environment.
Although Danfoss A/S has tested and reviewed the documentation within this manual, Danfoss A/S makes no
warranty or representation, either express or implied, with respect to this documentation, including its quality,
performance, or fitness for a particular purpose.
In no event shall Danfoss A/S be liable for direct, indirect, special, incidental, or consequential damages arising
out of the use, or the inability to use information contained in this manual, even if advised of the possibility of such
damages. In particular, Danfoss A/S is not responsible for any costs including but not limited to those incurred as
a result of lost profits or revenue, loss or damage of equipment, loss of computer programs, loss of data, the
costs to substitute these, or any claims by third parties.
Danfoss A/S reserves the right to revise this publication at any time and to make changes in its contents without
prior notice or any obligation to notify previous users of such revisions or changes.
MG.90.A2.02 – VLT is a registered Danfoss trademark
FCM 300 PROFIBUS / VLT 2800 PROFIBUS
Introduction .............................................................. 3
Quick Setup .............................................................. 4
The PROFIBUS interface .......................................... 5
FCM 300 - Physical connection ............................... 7
FCM 300
FCM 300
FCM 300
FCM 300
VL
VL
VL
VLT 2800
VL
T 2800 - Physical connection ............................. 10
T 2800
T 2800
T 2800
System layout ......................................................... 13
Timing .................................................................... 15
DP (Distributed Periphery) ....................................... 16
Parameters ............................................................. 30
Warning and alarm messages ................................ 35
Glossary and parameter list .................................... 36
Index ...................................................................... 39
1

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Summary of Contents for Danfoss FCM 300 PROFIBUS

  • Page 1 Danfoss A/S reserves the right to revise this publication at any time and to make changes in its contents without prior notice or any obligation to notify previous users of such revisions or changes.
  • Page 2 FCM 300 PROFIBUS / VLT 2800 PROFIBUS When reading through this manual, you will come across various symbols that require special attention. The symbols used are the following: Indicates a general warning. Indicates something to be noted by the reader.
  • Page 3 This manual is intended to be used both as an Assumptions instructional and as a reference manual. It only briefly This manual assumes that you are using a DANFOSS touches on the basics of the PROFIBUS protocol FCM 300 and VLT 2800 with PROFIBUS. It is also...
  • Page 4 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Programming: See the design guide: Communication is established by setting the FC motor (MG.03.Bx.02) parameters stated below. VLT 2800 (MG.28.Ex.02) Setting up the master: See the manual on the master for descriptions on how to programme the ordinary as well as the chapters of this manual giving details FC motor and VLT 2800.
  • Page 5 PROFIBUS which only supports the services relevant to speed control applications. PROFIDRIVE is an implementation of VDI / VDE 3689 profile created by DANFOSS and a number of other companies. Cable lengths/number of nodes Note that a repeater is a node in both of the two The maximum cable length in one segment is segments it connects.
  • Page 6 FCM 300 PROFIBUS / VLT 2800 PROFIBUS The total drop cable length for one segment is limited Damping: max. 9 dB over the whole wire as stated in the table below. length Cross section: max. 0.34 mm Drop cable length corresponding to AWG 22 Max.
  • Page 7 FCM 300 PROFIBUS / VLT 2800 PROFIBUS FCM 300: FCM 300: FCM 300: FCM 300: FCM 300: Physical connection Relevant national and local regulations, for The PROFIBUS is connected to the bus line via X100, example regarding protective earth terminals 1 and 2.
  • Page 8 FCM 300 PROFIBUS / VLT 2800 PROFIBUS FCM 300: FCM 300: FCM 300: FCM 300: FCM 300: The bus termination See drawing on page 6 It is essential that the bus line be terminated properly. The switches should never be left in opposite A mismatch of impedance may result in reflections positions.
  • Page 9 FCM 300 PROFIBUS / VLT 2800 PROFIBUS FCM 300: FCM 300: FCM 300: FCM 300: FCM 300: LEDs There are 2 LEDs on the PROFIBUS: LED303: Lights up when the card is initialized and ready to communicate. It will flash while auto baudrate detection is attempting to detect the actual baudrate.
  • Page 10 FCM 300 PROFIBUS / VLT 2800 PROFIBUS T 2800 T 2800 : : : : : T 2800 VL T 2800 T 2800 Physical connection Relevant national and local regulations, for The PROFIBUS is connected to the bus line via, example regarding protective earth terminals 68 and 69.
  • Page 11 FCM 300 PROFIBUS / VLT 2800 PROFIBUS T 2800 T 2800 : : : : : T 2800 VL T 2800 T 2800 The bus termination See drawing on page 6 It is essential that the bus line be terminated properly.
  • Page 12 FCM 300 PROFIBUS / VLT 2800 PROFIBUS T 2800 T 2800 : : : : : T 2800 VL T 2800 T 2800 LEDs There are 2 LEDs on the PROFIBUS: LD851: Lights up when the card is initialized and ready to communicate. It will...
  • Page 13 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Bus topology Single master PLC communicates with telegrams of constant Single master operation with DP length Fits to time critical requirements No need for equidistant transmissions of set points Cyclical transmission 1. Set point transmission 2.
  • Page 14 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Closing the control loop outside the fieldbus Closing the control loop over the bus for extremely fast feed-back Rapid Cyclical transmission with PPO using DP Features and services supported by FC motor and the VLT 2800...
  • Page 15 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Communication time (t ) depends on the actual FC motor / VLT 2800 response time transmission speed (baudrate) and the type of master The update time via the PROFIBUS connection can in use. The minimum obtainable communication time...
  • Page 16 FCM 300 PROFIBUS / VLT 2800 PROFIBUS DP communication relations By DP communication one of the parameter-process Communication according to PROFIBUS DP, i.e. DIN data objects (PPO’s) described below must be used. 19245 part 1 & 3, is supported. Consequently a master that supports PROFIBUS DP must be used.
  • Page 17 FCM 300 PROFIBUS / VLT 2800 PROFIBUS PCA handling Response Function The PCA portion of the PPO types 1, 2 and 5 will No response handle a number of tasks. The master may control Transfer parameter value (word) and supervise parameters and request a response...
  • Page 18 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Parameter and data type structure description Characteristics Parameter description: Subindex 1 DP has a number of describing attributes (see rigth). Size of elements Subindex 2 Read/write on parameter description is made by the...
  • Page 19 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Object and data types supported by FC motor Data coding of the data type time difference and VLT 2800 Byte 1 Byte 2 Byte 3 Byte 4 Data types supported by FC motor and VLT 2800...
  • Page 20 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Example of SPM execution In the VLT the SPMs are temporarily stored in a FIFO buffer. This means that up to 16 consecutive SPMs MASTER SLAVE SPM BIT can be retained. If only one SPM has entered the REQ 1 RES.
  • Page 21 FCM 300 PROFIBUS / VLT 2800 PROFIBUS FREEZE/UNFREEZE See the example below where the left column holds FREEZE/UNFREEZE can be used to get simultaneous the current values read by the master and the three reading of Process Data for example output current right columns hold the actual output current of the from several slaves.
  • Page 22 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Control word / status word Control word The bits of the “Control word” tell the VLT how to The control words are used to send control react, while the “Status word” bit status will tell the commands to the frequency converter when the master the condition of the VLT.
  • Page 23 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Example This example shows how PPO type 1 is used for changing the ramp-up time (parameter 207) to 10 seconds and for commanding a start and speed reference of 50%. PPO. Parameter-Process Data Object...
  • Page 24 FCM 300 PROFIBUS / VLT 2800 PROFIBUS A positive response of the above example may look like this: CTW according to Profidrive profile: Byte Value Control words consisting of 16 bits, the meaning of the various bits appears from the table, page 22.
  • Page 25 FCM 300 PROFIBUS / VLT 2800 PROFIBUS A negative response may look like this: Byte Value RC is 7 Hex which means that the request has been rejected, and the fault number can be found in the PVA part. In this case the fault number is 2 which means that the upper or lower limit of the parameter is exceeded.
  • Page 26 FCM 300 PROFIBUS / VLT 2800 PROFIBUS FCM 300: FCM 300: FCM 300: FCM 300: FCM 300: GSD-file The GSD-file is a DP “standard” text file containing the necessary data for configuring DP slaves within a standard DP master. GSD-file: DA010403.GSD 24V_Pins = 0;...
  • Page 27 FCM 300 PROFIBUS / VLT 2800 PROFIBUS T 2800 T 2800 T 2800 : : : : : 3 MBaud 3 MBaud 3 MBaud VL T 2800 T 2800 3 MBaud 3 MBaud GSD-file The GSD-file is a DP “standard” text file containing the necessary data for configuring DP slaves within a standard DP master.
  • Page 28 FCM 300 PROFIBUS / VLT 2800 PROFIBUS T 2800: 12 MBaud T 2800: 12 MBaud VL T 2800: 12 MBaud T 2800: 12 MBaud T 2800: 12 MBaud GSD-file The GSD-file is a DP “standard” text file containing the necessary data for configuring DP slaves within a standard DP master.
  • Page 29 FCM 300 PROFIBUS / VLT 2800 PROFIBUS MG.90.A2.02 – VLT is a registered Danfoss trademark...
  • Page 30 FCM 300 PROFIBUS / VLT 2800 PROFIBUS FC motor and VLT 2800 parameters 804 Bus time out function (TIME OUT FUNCT.) Only the PROFIBUS specific parameters (800 - 805 Selection: and 904 . . ) are described in this manual. All other...
  • Page 31 FCM 300 PROFIBUS / VLT 2800 PROFIBUS 805 Function of control word bit 10 904 PPO type select for DP (PPO TYPE SELECT) (Bit 10 function) Selections: Selection: PPO type 1 (PPO TYPE 1) [900] No function (NO FUNCTION) PPO type 2 (PPO TYPE 2) [901] Bit 10 = 1 ⇒...
  • Page 32 FCM 300 PROFIBUS / VLT 2800 PROFIBUS 915 PCD config. write (PCD IN WR-) Description of selections: Selections: The order of the subindexes corresponds to the order of the PCD’s in the PPO, i.e. subindex 1 ≈ PCD 1, Sub index 1 (PCD1) Parameter # subindex 2 ≈...
  • Page 33 FCM 300 PROFIBUS / VLT 2800 PROFIBUS If errors occur during DPR-handling (bit 7 not 953 Warning parameter 1 (WARN. PARA) asserted) Selections: Read only Code 0 OK Function: 1 Fatal error in warning channel A 16 bit bitstring where each bit is associated with a 2 Fatal error in spontaneous channel specific warning according to the list below.
  • Page 34 FCM 300 PROFIBUS / VLT 2800 PROFIBUS 970 Edit set up selection (EDIT SETUP SELECT) 980-982 Defined parameters (DEFINED PNU'S) Selections: Selections: Factory setup (FACTORY SETUP) Read only Setup 1 (SETUP 1) Setup 2 (SETUP 2) Function: Active setup (ACTIVE SETUP) The three parameters hold a list of all the parameters that are defined in the FC motor / VLT 2800.
  • Page 35 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Warning and alarm messages Spontaneous messages There is a clear distinction between alarms and If a fault or warning condition should occur, the FC warnings. In the case of an alarm, the FC motor / VLT motor / VLT 2800 will, if the proper communicative 2800 will enter a fault condition.
  • Page 36 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Abbreviations English German Elaboration Acyclical Control Interval Aplication Layer Interface ATTR Attribute BRCT Broadcast Cyclical Control Interval Communication Reference Communication Reference List CSRD Cyclical Send and Request Data Connection Type Control Word Destination Address...
  • Page 37 FCM 300 PROFIBUS / VLT 2800 PROFIBUS English German Elaboration Send Acknowledged request Counter Service Access Point Send Confirmed request Counter Spontaneous Notification Status Word Target Rotation Time Association of German Electrical Technicians Association of German Electrical Engineers Variable Speed Drive...
  • Page 38 FCM 300 PROFIBUS / VLT 2800 PROFIBUS Parameter Parameter Parameter Parameter Parameter Default value Range Size Conversion Data index index type Designation Designation Designation Designation Designation Pr Pr Pr Pr Protocol select otocol select otocol select otocol select otocol select...
  • Page 39 FCM 300 PROFIBUS / VLT 2800 PROFIBUS A A A A A PCA - Parameter Characteristics ....... 23 PCA handling ............. 17 Abbreviations ............. 36 PCD ..............24 About this manual ..........3 PCV ..............23 Assumptions ............3 Physical connection ........7, 10 bus termination ..........

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