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FCM 300 PROFIBUS / VLT 2800 PROFIBUS

MG.90.A2.02 – VLT is a registered Danfoss trademark

25

DP

-

A negative response may look like this:

Byte

Value

PCA

1

70

PCA

2

00

IND

3

00

PCV

IND

4

00

PVA

5

00

PVA

6

00

PVA

7

00

PVA

8

02

STW

9

0F

PCD

STW

10

07

MAV

11

20

MAV

12

00

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.  See fault number table on page 17.

Summary of Contents for FCM 300 PROFIBUS

Page 1: ...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...

Page 2: ...IBUS 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...

Page 3: ...rs Assumptions This manual assumes that you are using a DANFOSS FCM 300 and VLT 2800 with PROFIBUS It is also assumed that you as a master are using a PLC or PC that is equipped with a serial communic...

Page 4: ...g up the master See the manual on the master as well as the chapters of this manual giving details on the PROFIBUS interface for information on how to set up the master Quick Setup General information...

Page 5: ...g on the nature of the application A master may be a PLC or a PC that is equipped with a PROFIBUS communication card Physical layer The field of application of a field bus system is primarily determin...

Page 6: ...easuring frequency from 3 to 20 MHz Resistance 110 ohm km Capacity 30 pF m Damping max 9 dB over the whole wire length Cross section max 0 34 mm2 corresponding to AWG 22 Cable type twisted in pairs 1...

Page 7: ...US cable has to cross a motor and brake resistor cable they must cross each other at an angle of 90 Connection of the cable screen The screen of the PROFIBUS cable must always be connected to ground a...

Page 8: ...tivated by the switches of the RS485 switch block located just to the left of the terminal block X100 see drawing below The switches should be on to terminate the bus The switches should never be left...

Page 9: ...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 LED304 Lights up when the card is communicating...

Page 10: ...OFIBUS cable has to cross a motor and brake resistor cable they must cross each other at an angle of 90 Connection of the cable screen The screen of the PROFIBUS cable must always be connected to grou...

Page 11: ...ted by the switches of the RS485 switch block located just to the left of the terminal block X100 see drawing below The switches should be on to terminate the bus The switches should never be left in...

Page 12: ...hts up when the card is initialized and ready to communicate It will flash while auto baudrate detection is attempting to detect the actual baudrate LD852 Lights up when the card is communicating depe...

Page 13: ...service gives fast cyclical exchange of process data between master and slaves Freeze and synchronize function is supported Fixed data structure Fixed telegramme size Occupies I O memory space in PLC...

Page 14: ...ten very time critical but it involves very few data such as control commands and speed reference DP is optimized for fast cyclical communication Features and services supported by FC motor and the VL...

Page 15: ...tcom depends on the actual transmission speed baudrate and the type of master in use The minimum obtainable communication time with the FC motor VLT 2800 with PROFIBUS is approx 100 sec per slave when...

Page 16: ...ect The PPO is well suited for fast cyclical data transfer and may as the name implies carry both process data and parameters The selection of PPO type is made according to the master request A PPO ma...

Page 17: ...ay Subindex If parameter descriptions are involved the IND will hold the Record Subindex of the Parameter description Response Function 0 No response 1 Transfer parameter value word 2 Transfer paramet...

Page 18: ...te min 70 60 hour h 74 3600 day d 77 86400 watthour Wh 0 1 Energy 8 kilowatthour kWh 3 1000 megawatthour MWh 6 106 milliwatt mW 3 0 001 watt W 0 1 Power 9 kilowatt kW 3 1000 megawatt MW 6 106 Rotation...

Page 19: ...ms 20 ms Standardized value A liniary value 0 0 0h 100 is 214 4000h Data type N 2 Range 200 200 2 14 Resolution 2 14 0 0061 Length 2 bytes Notation 2 s complement notation MSB is 1st bit after sign b...

Page 20: ...n several slaves for example synchronised start stop or speed change A SYNC command will freeze the actual control word and speed reference incoming Process Data will be stored but not used until a ne...

Page 21: ...mand is received See the example below where the left column holds the current values read by the master and the three right columns hold the actual output current of the three slaves Actual slave out...

Page 22: ...Reversing No function Reversing The FC motor Series Design Guide MG 03 BX 02 and the VLT 2800 Series Design Guide MG 28 EX 02 holds a detailed description of the control word DP Status word When the...

Page 23: ...t the PCV part must be used for The functions available appear from the table page 17 When a parameter is to be changed choose value 2 or 3 in this example 3 is chosen because parameter 207 covers a l...

Page 24: ...in the PCD part is acting on the VLT immediately and can be updated from the master as quickly as possible The PCV part is a hand shake procedure which means that the VLT has to acknowledge the comman...

Page 25: ...2 00 IND 3 00 PCV IND 4 00 PVA 5 00 PVA 6 00 PVA 7 00 PVA 8 02 STW 9 0F PCD STW 10 07 MAV 11 20 MAV 12 00 RC is 7 Hex which means that the request has been rejected and the fault number can be found i...

Page 26: ...er_Ctr_Sig 0 24V_Pins 0 Freeze_Mode_supp 1 Sync_Mode_supp 1 Auto_Baud_supp 1 Set_Slave_add_supp 1 Usr_Prm_Data_Len 0 Min_Slave_intervall 40 Modular_Station 1 Max_Module 2 Max_Input_Len 28 Max_Output_L...

Page 27: ...0 MaxTsdr_187 5 60 MaxTsdr_500 100 MaxTsdr_1 5M 150 MaxTsdr_3M 250 Redundancy 0 Repeater_Ctr_Sig 0 24V_Pins 0 Freeze_Mode_supp 1 Sync_Mode_supp 1 Auto_Baud_supp 1 Set_Slave_add_supp 1 Usr_Prm_Data_Len...

Page 28: ...or configuring DP slaves within a standard DP master Auto_Baud_supp 1 Set_Slave_add_supp 1 Usr_Prm_Data_Len 0 Min_Slave_Intervall 06 Modular_Station 1 Max_Module 2 Max_Input_Len 28 Max_Output_Len 28 M...

Page 29: ...FCM 300 PROFIBUS VLT 2800 PROFIBUS MG 90 A2 02 VLT is a registered Danfoss trademark 29...

Page 30: ...munication parameters such as slave addresses PPO type etc will be updated 803 Bus time out BUS TIME OUT Selection 1 99 sec 1 sec 804 Bus time out function TIME OUT FUNCT Selection Off OFF 0 Freeze ou...

Page 31: ...eaction will be coasting Bit 10 0 time out The time out function selected in parameter 804 is activated when bit 10 is 0 No function Bit 10 is ignored i e control word and speed reference is always va...

Page 32: ...ange parameter 918 is executed at next power up and if parameter 800 is updated Factory setting 915 PCD config write PCD IN WR Selections Sub index 1 PCD1 Parameter Sub index 2 Parameter Sub index 3 P...

Page 33: ...5 MSB Fatal DPR handling error Error code during init Bit 3 Explanation of err Explanation of err Explanation of err Explanation of err Explanation of error codes or codes or codes or codes or codes I...

Page 34: ...ered as modified eventhough they are changing When a 0 is returned as parameter number the list ends 970 Edit set up selection EDIT SETUP SELECT Selections Factory setup FACTORY SETUP 0 Setup 1 SETUP...

Page 35: ...aster will also be notified through a change of bit 7 in the Status Word Alarms Following an Alarm message the FC motor VLT 2800 will enter Fault condition Only after the fault has been alleviated and...

Page 36: ...LSAP Local Service Access Point LSB Least Significant Bit MSB Most Significant Bit MAP Manufacturing Automation Protocol MAV HIW Main Actual Value MMS Manufacturing Message Specification MRV HSW Main...

Page 37: ...tion SAC Send Acknowledged request Counter SAP Service Access Point SCC Send Confirmed request Counter SPM Spontaneous Notification STW ZSW Status Word TRT Target Rotation Time VDE Association of Germ...

Page 38: ...us messages Spontaneous messages Spontaneous messages Spontaneous messages Spontaneous messages OFF 0 ON OFF 0 0 35 918 Station addr Station addr Station addr Station addr Station address ess ess ess...

Page 39: ...P P P Parameter and data type structure description 18 Size attribute 18 Parameter list 38 PCA Parameter Characteristics 23 PCA handling 17 PCD 24 PCV 23 Physical connection 7 10 bus termination 8 11...

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