Inficon BCG450-SP ATM to Ultra-High Vacuum Triple Gauge (P Manuel d'utilisateur

Communication Protocoltira41e1 (2005-06) 1ProfibusDP/V1 Interface for Bayard-Alpert Pirani Capacitance Diaphragm GaugeBCG450-SP

10 tira41e1 (2005-06) BCG450SPv1.cp1) The master transmits an instruction to the slave and repeats that instructionuntil it receives a respon

tira41e1 (2005-06) BCG450SPv1.cp 11The message telegrams listed below are implemented in the gauge. They can beselected according to requireme

12 tira41e1 (2005-06) BCG450SPv1.cp3 Block ModelData to the BCG450-SP can be transmitted by means of a number of communica-tion protocols and

tira41e1 (2005-06) BCG450SPv1.cp 13 The following table lists the services and parameters integrated in the Device Block(→ Appendix A for ab

14 tira41e1 (2005-06) BCG450SPv1.cp The Block Type Parameter contains an ID which describes the block type. Theblock type ID of the Device

tira41e1 (2005-06) BCG450SPv1.cp 15 The Exception Status describes the alarm and warning states of the gauge in an"Expanded error output

16 tira41e1 (2005-06) BCG450SPv1.cp If, in the Exception Status, one of the bits 0 … 2 is set, the current error can beread in the "Exce

tira41e1 (2005-06) BCG450SPv1.cp 17 Bit Device Exception Detail 0 Referring to Capacitancediaphragm sensor Bit Device Exception Detail 1

18 tira41e1 (2005-06) BCG450SPv1.cp If, in the Exception Status, one of bits 4 … 6 is set, the current warning can be readin the parameter &q

tira41e1 (2005-06) BCG450SPv1.cp 19 Bit Common Exception Detail 0 Bit Common Exception Detail 1 0 0 0 0 1 0 1 0 2 EPROM exception

2 tira41e1 (2005-06) BCG450SPv1.cpThis document describes the functionality and programming of the Profibus inter-face of the BCG450-SP gauge.

20 tira41e1 (2005-06) BCG450SPv1.cp Bit Device Exception Detail 4Referring to Pirani Bit Device Exception Detail 5Referring to BA 0 0 0 0 1

tira41e1 (2005-06) BCG450SPv1.cp 21 This parameter corresponds to the Manufacturer Exception Detail Alarm Byte 0 ofthe Exception Detail Alarm

22 tira41e1 (2005-06) BCG450SPv1.cp Status name Description NORMAL The communication interface can respond to com-mands. All defined block

tira41e1 (2005-06) BCG450SPv1.cp 23 All gauge functions of the BCG450-SP are described in the Analog Input Block. Since the gauge includes thr

24 tira41e1 (2005-06) BCG450SPv1.cp Instance 1 of the Analog Sensor Input Function Blocks describes the functionalityof the Pirani measuring p

tira41e1 (2005-06) BCG450SPv1.cp 25 Coding Data type 3 Integer16 8 Float The gauge supports the following pressure units: Coding Data t

26 tira41e1 (2005-06) BCG450SPv1.cp When the gauge is not in the EXECUTING status (ID 25, Device Block) or if thereis a device error, a value

tira41e1 (2005-06) BCG450SPv1.cp 27 Instance 2 of the Analog Sensor Input Function Block describes the functionality ofthe BA measuring part

28 tira41e1 (2005-06) BCG450SPv1.cp The gauge supports the following pressure units: Coding Pressure unit 1001 COUNTS 1301 Torr 1302 mTo

tira41e1 (2005-06) BCG450SPv1.cp 29 Safe State Coding PV behavior Zero 0 The Process Value (measured value ID 19) is setto 0. Full Scale

tira41e1 (2005-06) BCG450SPv1.cp 3ContentsAbout this Document 2Product Identification 2Validity 2Intended Use 2Functional Principle 2Trademark

30 tira41e1 (2005-06) BCG450SPv1.cp Instance 3 of the Analog Sensor Input Function Block describes the functionality ofthe Capacitance diaphra

tira41e1 (2005-06) BCG450SPv1.cp 31If the data type is set in one instance, that data type setting applies to all instances.Likewise, when a s

32 tira41e1 (2005-06) BCG450SPv1.cp When the gauge is not in the EXECUTING status (ID 25, Device Block) or if thereis a device error, a value

tira41e1 (2005-06) BCG450SPv1.cp 33 Instances 5 and 6 of the Analog Sensor Input Function Block describe the func-tionality of the two switchi

34 tira41e1 (2005-06) BCG450SPv1.cp If the pressure drops below the set threshold, the relay is activated (normally opencontact closed). If t

tira41e1 (2005-06) BCG450SPv1.cp 35Atmospheric pressure × NAtmospheric pressure threshold =—————————————100Where:Atmospheric pres-sure thresho

36 tira41e1 (2005-06) BCG450SPv1.cpIf the Setpoint Function is set to Atmosphere Control and the relay is closed, thisbyte is set to one, if t

tira41e1 (2005-06) BCG450SPv1.cp 37 This parameter indicates the detectable warnings occurring in connection with thePirani measuring part. T

38 tira41e1 (2005-06) BCG450SPv1.cp This parameter indicates the detectable warnings occurring in connection with theBA measuring part. The p

tira41e1 (2005-06) BCG450SPv1.cp 39 This service is used for activating the Degas mode via Profibus. Byte Name Structure Data type Bytes

4 tira41e1 (2005-06) BCG450SPv1.cp3.2.3.3 Data Type 273.2.3.4 Data Unit 283.2.3.5 Reading Valid 283.2.3.6 Full Scale 283.2.3.7 Safe State 283.

40 tira41e1 (2005-06) BCG450SPv1.cpID Name Structure Data type Bytes Access Store101 Block Type Simple Octet string 4 2_R102 Status Extension

tira41e1 (2005-06) BCG450SPv1.cp 41ID Name Structure Data type Bytes Access Store14 Atmospheregauge Block StateCommandREC 2 1_W2_W101 Block Ty

42 tira41e1 (2005-06) BCG450SPv1.cpAppendix A: DefinitionsAbbreviation Range Data typeINT8 -27 … (27 - 1) Integer 1 byteINT16 -215 … (215 - 1)

tira41e1 (2005-06) BCG450SPv1.cp 43The following table explains terms used in connection with the Profibus.Term MeaningAlert Elements Alert El

44 tira41e1 (2005-06) BCG450SPv1.cpTerm MeaningFunction BlockApplicationApplication of an automation system performed by a DeviceBlock, Functi

tira41e1 (2005-06) BCG450SPv1.cp 45Appendix B: Block TypeBlock Name Block Type IDDevice Block 1Sensor Analog Input Function Block 2One of N Ch

46 tira41e1 (2005-06) BCG450SPv1.cpAppendix C: Electrical ConnectionsTechnical data of BCG450 gauges →  [1], [2], [3].SP ASP BSP A SP BDegas4

tira41e1 (2005-06) BCG450SPv1.cp 47 1 56 9D-Sub, 9 pins, malesoldering sidePin 1 not connectedPin 2 not connectedPin 3 RxD/TxD-PPin 4 CNTR-P1)

48 tira41e1 (2005-06) BCG450SPv1.cpAppendix D: Literature [1] www.inficon.comInstruction SheetTripleGauge™,Bayard-Alpert Pirani Capacitance D

tira41e1 (2005-06) BCG450SPv1.cp 49Notes

tira41e1 (2005-06) BCG450SPv1.cp 51 General DataThe gauge supports all data rates defined in the EN 50170 standard (→  [5]) upto 12 Mbaud. Au

50 tira41e1 (2005-06) BCG450SPv1.cpNotes

tira41e1 (2005-06) BCG450SPv1.cp 51Notes

LI–9496 BalzersLiechtensteinTel +423 / 388 3111Fax +423 / 388 3700Original: German tira41d1 (2005-06) [email protected] i r a41e1www.inficon.c

6 tira41e1 (2005-06) BCG450SPv1.cpDepending on the pressure unit setting ( data unit), the following configurationstring has to be transmitte

tira41e1 (2005-06) BCG450SPv1.cp 72 Data Exchange ModeThe reading and writing operations defined in Profibus are based on a slot indexaddress

8 tira41e1 (2005-06) BCG450SPv1.cpIndex160PrivatePublicOperations PublicBlock_xParameter_2Parameter_1Parameter_0Operation_1Operation_2Operatio

tira41e1 (2005-06) BCG450SPv1.cp 9The structure of the parameter channel is described in the table below.The parameter channel (called PKW Int