janitza Profibus DP/V0 UMG508 Function Manual Download Page 1

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Profibus DP/V0

Description of Functions

UMG604 / UMG605 / UMG508 / UMG511

Example with a Siemens PLC

S7-300

Version 1.2

Document no: XXXXX

Janitza electronics GmbH

Vor dem Polstück 1

D-35633 Lahnau

Support Tel. (0 64 41) 9642-22

Fax (0 64 41) 9642-30

E-mail:

Summary of Contents for Profibus DP/V0 UMG508

Page 1: ...Functions UMG604 UMG605 UMG508 UMG511 Example with a Siemens PLC S7 300 Version 1 2 Document no XXXXX Janitza electronics GmbH Vor dem Polst ck 1 D 35633 Lahnau Support Tel 0 64 41 9642 22 Fax 0 64 41...

Page 2: ...a Profile 6 GSD File 9 Incorporating the Slave Unit in the Master Software SIMATIC S7 300 9 Simatic variables table 11 Profibus Profiles in Graphic Programming 13 Profibus Puffer 17 Modbus Profibus Ga...

Page 3: ...phic programming There is read and write access to the profile which makes it possible to describe digital outputs or user defined variables from the PLC The description of functions has been created...

Page 4: ...variables and global variables can be individually scaled and converted into one of the following formats 8 16 32bit integer with and without signs 32 or 64bit float format Big or Little Endian Global...

Page 5: ...iles are preconfigured upon delivery Firmware 1 095 These can also be changed retrospectively if required The following illustrations show the standard profiles with their profile number Profile no 2...

Page 6: ...nit button in the unit list In the field bus profile tab selected measurement values can now be allocated to the individual profiles A maximum of 128 bytes are available for a profile The profile numb...

Page 7: ...by drag and drop On the right side there is the possibility of swapping variables and putting them in the required order You can also change the byte order here Big Endian High Byte before Low Byte Li...

Page 8: ...r PC PLC can only differentiate this unit on the basis of the unit address Each Power Analyzer must have a specific unit address within the network Profibus supports the unit addresses in the range 0...

Page 9: ...yzer s GSD file currently supports the following modules STD 8 Word In 1 Byte Out STD 16 Word In 1 Byte Out STD 32 Word In 1 Byte Out STD 62 Word In 1 Byte Out STD 8 Word In 3 Byte Out STD 16 Word In...

Page 10: ...that you previously set on the Power Analyzer Please be aware that the addresses cannot be assigned more than once Information on the module it is not necessary to read out the whole profile If just...

Page 11: ...ll of the hardware configuration must be transferred to the S7 so that communication can take place Simatic variables table Assign a communication to a variable table for testing purposes In the proje...

Page 12: ...ofile number request PEB 256 DEZ 0 Profile number request PED 257 Floating point 230 7 1 st value in profile 0 ULN1 PED 261 Floating point 230 5 2 nd value in profile 0 ULN2 PED 265 Floating point 230...

Page 13: ...d to a profile profiles 16 255 using the graphic programming The write profibus function module is used for allocation Profiles can also be read and analysed read profibus With the read profibus funct...

Page 14: ...g example case can describe profile values A profile can only be recorded once it has been created A profile is recorded with a write profibus function module or if values are allocated to fixed profi...

Page 15: ...list of variables the values are written out from the PLC For an analysis of values these are connected to the print function module and after transfer of the programme they can be browsed in the deb...

Page 16: ...rofibus function module has a status pin that can be used for analysis The following table shows the error codes Error no Comment 1 Error 0 No error 255 Feedback of the incorrect profile number Illust...

Page 17: ...ne reading and one writing profile in processed program The following illustration shows an IF command with 2 profiles Example The profile number writing 0 In case that a request the profile number 16...

Page 18: ...programming Measurement units are read using Modbus Slave measurement units in the following example The read data is placed on a profibus profile With this programme it is now possible to write valu...