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PROFIBUS DP Services (mng li profibus)
Master Class 2
Field Device (Slave)
Controls the Field Devices Parameterization Configuration
Cyclic Data Exchange Read Diagnostic
Read Diagnostic Set Station Address Read Configuration Read I/O
Take Over Control of 1 Slave Parameterization Configuration Data Exchange
Read Diagnostic Upload, Download (De)Activate Parameters (De)Activate Slaves Set Operation Mode
! Master Class1 and/or Class 2 and/or Slave can be implemented in one Device !
Master Class 1
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Electronic... (continued)
Mi Slave/class 1 Master cn mt thit b lu tr dliu in t(= GSD file)
Tt c cc chc nng/c im/tham s ca thit b
u c xc nh trong GSD
Vn bn tp tin n gin(nh dng ASCII)
Thng tin u ra ca bng d liu c c bi cngc cu hnh
Tp tin c to ra t nh sn xut thit b
Trong website: www.profibus.com cung cp thm chobn
GSD cng c son tho to ra data sheets
GSD kim tra (c c trong phn son tho)
GSD th vin
GSD
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Electronic... (continued)
Tp tin m rng nhn dng ngn ng
.gsd yu cu ti thiu (thng dng ngn ng l ting Anh)
Ngoi tp tin .gsd cn c cc tp tin khc:
English = .gse
French = .gsf
German = .gsg
Italian = .gsi
Portuguese = .gsp
Spanish = .gss
GSD
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Cu lnh M t cc tham s(O)
nh ngha m rng cho cc thams (O)
D liu tng hp(M)
D liu lin quan ti thit btrng(M & O)
nh ngha cc knh vo ra
Electronic... (continued) - File Structure GSD
;
PrmText = ...
EndPrmText
#Profibus_DP
;
ExtUserPrmData = ...
EndExtUserPrmData
;
GSD_Revision = ...
;Slave-specification
Freeze_Mode_supp = ...
;
Module = ...
EndModule (M) = Mandatory (O) = Optional
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File Structure... (continued) GSD
Phin bn theo tiu chun
Tn nh cung cp/nh sn xut
Tn thit b (hin th cng c cu hnh)
a ch duy nht cho mi sn phmBt buc cho thit b Class 1 v slaveBan hnh bi PTO
La chn giao thc (0=DP; 1=DP&FMS)
Kiu (0=Slave; 1=Master)
H tr chuyn i gi tr v thng s thigian lin quan
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File Structure... (continued) GSD
H tr ng b ha d liu u vo
H tr ng b ha d liu u ra
Thit b t ng nhn bit gi tr truyn
a ch c th khng c t tPROFIBUS
Trm m rng
nh ngha chiu di cho cc trm module
D liu ti a chun on t thit b
S dng cng c cu hnh
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Chuyn i d liu- SYNC/UNSYNC
ch bnh thng kt qu u ra nhn c t slave ASIC,ntrc tip cng slave Firmware ghi cc u ra vt l
Khi lnh iu khin SYNC c gi, u ra cui cnhn chuyn ti Slave Firmware sau b chn
Tr li hot ng bnh thng khi gp lnh UNSYNC
MASTER
Outputs to SlaveDATA x
Physical OutputsDATA x
Normal Mode
MASTEROutputs to Slave
DATA yPhysical Outputs
DATA xXSync Mode
MASTERSYNC
DATA xPhysical Outputs
DATA x
Sync Mode
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Data Exchange - SYNC/UNSYNC
Outputs (x) to Slave 3DATA DATA
Physical Outputs = x
Outputs (z) to Slave 5DATA DATA
Physical Outputs = z
DATA DATA
Outputs (a) to Slave 3DATA x DATA x
Physical Outputs = x
X
Outputs (y) to Slave 4DATA DATA
Physical Outputs = yTime Lag Between DataAppearing at PhysicalOutputs of Different Slaves
Outputs (a) to Slave 4DATA y DATA y
Physical Outputs = y
XOutputs (a) to Slave 5
DATA z DATA zPhysical Outputs = z
X
After SYNC, Data Transferto Users Buffer IsBlockedOnlyBuffered in Receive Bufferfor All Slaves in GroupsIndicated
DATA DATA
Physical Outputs = DATA
Physical Outputs = DATA
SYNC Broadcast
Receive Buffer Users Buffer
Data is ImmediatelyTransferred to UsersBuffer & Physical OutputsAppear SimultaneouslyFor All Slaves in GroupsIndicated
x
y
z
x
y
z
DATA a
DATA a
DATA a
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DATA a
Data Exchange - SYNC/UNSYNC
DATA a3
DATA a4
DATA a
DATA x
DATA y
DATA z
Physical Outputs = a
Physical Outputs = a
Physical Outputs = a5
SYNC Broadcast
DATA b
Data is ImmediatelyTransferred to UsersBuffer, Physical OutputsAppear Simultaneously& Slaves Go Back IntoNormal Mode For All Slavesin Groups Indicated
DATA b
UNSYNC Broadcast
Data is ImmediatelyTransferred to UsersBuffer & Physical OutputsAppear SimultaneouslyFor All Slaves in Groups
Indicated
Outputs (b) to Slave 3DATA a
Physical Outputs = a
XOutputs (b) to Slave 4
DATA a DATA aPhysical Outputs = a
XOutputs (b) to Slave 5 DATA a DATA a Physical Outputs = aX
Data Transfer to UsersBuffer Is BlockedOnlyBuffered in Receive Bufferfor All Slaves in GroupsIndicated
Receive Buffer Users Buffer
DATA a
DATA a
DATA a
DATA b
DATA b
DATA a
DATA aDATA b
DATA bPhysical Outputs = b
Physical Outputs = b
DATA b
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PROFIBUS Demo
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PROFIBUS Cu trc bn tin
SD: byte khi uLE: chiu di thng tin (DU) + DA, SA , FC, DSAP, SSAP LEr: chiu di thng tin nhc liDA: a ch ch(ni m tin nhn n)SA: a ch ngun (t tin nhn i)FC: m hm( FC=Type & Priority of Message)
DSAP: im ch im truy cp dch v(giao tip vi cng nhn)
SSAP: im ngun im truy cp dch v(giao tip vi cng o)FCS: byte kim sot liED: byte kt thc
= Included in FCS
SD LE LEr SD DA SA FC DSAP SSAP DU.. FCS ED
0x68 x x 0x68 x x x 0x3D 0x3E x .. x 0x16
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PROFIBUS cu trc bc in
Start
Bit0
Each character is 11 bits(Start-, Stop-, (Even) Parity- and 8 Data bits)
Data
Bit0
LSB
Data
Bit1
Data
Bit2
Data
Bit3
Data
Bit4
Data
Bit5
Data
Bit6
Data
Bit7
MSB
Parity
Bit
Stop
Bit1
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Cng truyn thng(Dch v truy nhp im)
Parameterization
Configuration
Output Data
Diagnostic Request
Is it?
You gotmail...
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Cng truyn thng(tip tc)
It is:
Configuration
You gotmail...
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FunctionDP Master DP Slave
Dec. Hex Dec. Hex
Data_Exchange - - - -
RD_Inp 62 3E 56 38
RD_Outp 62 3E 57 39
Slave_Diag 62 3E 60 3C
Set_Prm 62 3E 61 3D
Chk_Cfg 62 3E 62 3E
Get_Cfg 62 3E 59 3B
Global_Control 62 3E 58 3A
Set_Slave_Add 62 3E 55 37-
Cng truyn thng(tip tc)
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Chuyn i d liu tc cao- Trnh t bt u
Power ON/Reset
Power ON/Reset of Master or Slave
Parameterization
Download of Parameters into the FieldDevice (selected during Configurationby the User)
I/O Configuration
Download of I/O Configuration into the
Field Device (selected duringConfiguration by the User)
Data ExchangeCyclic Data Exchange (I/O Data)and Field Device reports Diagnostics
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Trnh t bt u(tip)
Power ON/Reset
Power ON/Reset of Master or Slave
Parameterization
Download of Parameters into the FieldDevice (selected during Configurationby the User)
I/O Configuration
Download of I/O Configuration into the
Field Device (selected duringConfiguration by the User)
Data ExchangeCyclic Data Exchange (I/O Data)and Field Device reports Diagnostics
Parameterization
Download of Parameters into the FieldDevice (selected during Configurationby the User)
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7 BytesMandatory
Device Specific(Optional)
Up to 244 Bytes
Trnh t bt u- Tham s haSD LE LEr SD DA SA FC DSAP SSAP DU.. FCS ED
0x68 x x 0x68 x x x 0x3D 0x3E x .. x 0x16
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Tham s ha(tip)
Tham s c truyn i khi cp ngun
7 byte bt buc dnh cho thit b trng
Qu trnh tham s ha: Response Monitoring Time
TSDR Time for Master/Slave Timing
Freeze/Sync Mode
Lock or Unlock Slave for this Master
Assignment to Group Master Address
Ident Number
Thi gian xc nhn ngn
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Tham s ha(tip) - Mandatory
Lock Unlock Meaning
0 0 Min TSDR and User Parameters are allowed to be overwritten
0 1 DP-Slave is NOT locked for other Masters
1 0 DP-Slave is locked for other Masters; all parameters are accepted
1 1 DP- Slave is NOT locked for other Masters
Reserved
WD_ON (1=Response Monitoring (Watchdog) Activated)
Freeze_Req (1=Support of Freeze Mode Required)
Sync_Req (1=Support of Sync Mode Required)
Unlock (See Table below)
Lock (See Table below)
7 0Octet 1
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WD_Fact_1
WD_Fact_2 (Watchdog (s)=10ms * WD_Fact_1 * WD_Fact_2)
TSDR (Time the field device waits before it responds)
PROFIBUS Ident Number (high byte)
PROFIBUS Ident Number (low byte)
Group_Ident (8 groups; bit x is set -> devices belongs to group x)
Tham s ha - Mandatory (tip)
Octet 2
Octet 3
Octet 4
Octet 5
Octet 6
Octet 7
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Tham s ha(tip) thit b lin quan
Mi thit b s dng Octets 8 - 244 cho thit bmodule thng tin lin quan (e.g. thng tin khing)
V tr ca DIP thit b chuyn mch (v d nh thitlp phm vi o lng cho mt knh tng t)
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Tham s ha(tip) v d GSD File
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Simple and/or SpecialIdentifier Format
Up to 244 Bytes
Trnh t khi ng cu hnhSD LE LEr SD DA SA FC DSAP SSAP DU.. FCS ED
0x68 x x 0x68 x x x 0x3D 0x3E x .. x 0x16
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Cu hnh(tip)
Cu hnh c gi mt ln sau bt ngun hoc reset
Master gi cu hnh ti Slaves
Bt k cu hnh thit b c th no
Cu hnh vo ra Slave confirms receipt with short acknowledge
Tha nhn cu hnh(Short Acknowledge E5h)
Kim tra hiu lc ca thng tin cu hnh
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Cu hnh(tip) khung n gin
Chiu di d liu cho cc d liu u vohoc u ra (khng dnh cho nh0000=1 Byte/Word...1111=16 Bytes/Words
nh ngha d liu00=Special Format (see page 28)01=Input10=Output11=Input & Output
Size Data Unit (NOT for Special Format)0=Byte1=Word
7 0Identifier 1 (1 Byte per Module for Simple Format)
Tnh nht qun d liu(NOT for Special Format)0=Byte/Word1=Whole Length
Cu hnh d liu b sung (nh dng n gin hoc c bit)
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Cu hnh(tip) v d cho khung n gin
Data Length1010=11 Words
Data Definition10=Output
Size Data Unit (NOT for Special Format)1=Word
Data Consistency (NOT for Special Format)0=Word
0 1 1 0 1 0 1 0
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Configuration (continued) - Special Format
Length of Vendor Specific Data
0000=No Data0001-1110=1-15 Bytes1111=No Data
00=Special Format (FIXED)
Input/Output00=No I/O01=One Byte for Input Data Specification follows10=One Byte for Output Data Specification follows11=One Byte for Output & 1 Byte for Input Data Specification follows
7 0
Header
I/O DataSpecification
VendorSpecific Data
Additional Config Data(Simple or Special Format)Header
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Configuration (continued) - Special Format
Data Length for Input or Output Data
000000=1 Byte/Word...111111=64 Bytes/Words
Size Data Unit0=Byte1=Word
Data Consistency0=Byte/Word1=Whole Length
7 0
Header
HeaderVendor
Specific DataAdditional Config Data
(Simple or Special Format)I/O Data
Specification
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Configuration (continued) - Example Special Format
0 1 0 0 0 0 1 1 1 Byte for Input Data Specification & 3 BytesVendor Specific Data follow
1 0 1 0 0 1 0 036 Bytes of Input Data with Consistency overwhole Length
0 0 0 0 0 1 1 0
1 1 1 1 0 1 1 0
1 0 1 1 1 1 0 1
3 Bytes of Vendor Specific Information
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Configuration (continued) - Example Telegram
= Simple Format
= Special Format
1stModule
2ndModule
3rdModule
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Configuration (continued) - Example GSD File
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Startup Sequence (continued)
Power ON/Reset
Power ON/Reset of Master or Slave
Parameterization
Download of Parameters into the FieldDevice (selected during Configurationby the User)
I/O Configuration
Download of I/O Configuration into theField Device (selected duringConfiguration by the User)
Data ExchangeCyclic Data Exchange (I/O Data)and Field Device reports Diagnostics
Data ExchangeCyclic Data Exchange (I/O Data)and Field Device reports Diagnostics
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Application SpecificData
Up to 244 Bytes
Startup Sequence - Data Exchange Request
SD LE LEr SD DA SA FC DU.. FCS ED
0x68 x x 0x68 x x x x .. x 0x16
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Application SpecificData
Up to 244 Bytes
Startup Sequence - Data Exchange Response
SD LE LEr SD DA SA FC DU.. FCS ED
0x68 x x 0x68 x x 0x08 x .. x 0x16
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Data Exchange (continued) - Example GSD File
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Trnh t bt u(tip) chun on
Khi no master yu cu chun on?
Trc khi ti v tham s m bo thit b hintrng c sn
Trc khi vo ch trao i d liu xc nhn ccthng s v cu hnh v chc chn rng cc thit btrng sn sng
Trong qu trnh trao i d liu bt c khi no c
ch ra bi d liu trng
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Diagnostic (continued)
Power ON/Reset
Parameterization
I/O Configuration
Data Exchange
Are you there?(Check whether field device is available)
Parameters & configuration ok?(Validation of download)
Are you ready for data exchange?
What happened?(Master fetches diagnostic as indicated by field
device)
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Application SpecificData
Up to 244 Bytes
Diagnostic (continued) - How is it indicatedduring the Data Exchange?
SD LE LEr SD DA SA FC DU.. FCS ED
0x68 x x 0x68 x x 0x0A x .. x 0x16
Field device raises red flag inData Exchange response
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6 BytesMandatory
Device Related(Optional)
Up to 244 Bytes
Startup Sequence - ParameterizationSD LE LEr SD DA SA FC DSAP SSAP DU.. FCS ED
0x68 x x 0x68 x x x 0x3D 0x3E x .. x 0x16
Diagnostic (continued) - Response from Field Device
Identifier Related(Optional)
Channel Related(Optional)
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Diagnostic (continued) - Mandatory
Diag.Station_Non_Exist (Field device doesnt answer; set by master)
Diag.Station_Not_Ready (Field device not ready for data exchange)
Diag.Cfg_Fault (Error in configuration data)
Diag.Ext_Diag (Field device reports extended diagnostic information)
Diag.Not_Supported (Requested feature not supported by field device)
Diag.Invalid_Slave_Response (Set by master)
7 0Octet 1
Diag.Prm_Fault (Error in parameter data, e.g. Ident Number)
Diag.Master_Lock (Field device controlled by another master; set by master)
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Diagnostic - Mandatory (continued)
Diag.Prm_Req (Field device needs to be paramterized)
Diag.Static_Diag (Field device can not provide valid data)
always set to 1
Diag.WD_ON/OFF (Response monitoring in field device activated/de-activated)
Diag.Freeze_Mode (Field device is operating in FREEZE mode)
Diag.Sync_Mode (Field device is operating in SYNC mode)
7 0Octet 2
Reserved
Diag.Deactivated (Set by master)
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Diag.Ext_Overflow (Too much extended diagnostic data)
Diag.Master_Add (Address of controlling master; FFh if none)
PROFIBUS Ident Number (High byte)
PROFIBUS Ident Number (Low byte)
Diagnostic - Mandatory (continued)
Octet 3
Octet 4
Octet 5
Octet 6
Reserved
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00 (Fixed)
Diagnostic (continued) - Optional: Device Related
Header
Data length(including header)
Up to 62 bytes Device Related information
Meaning is manufacturer specific
Should be described in GSD file
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Diagnostic Device Related (continued) - ExampleGSD File
Meaning: Bit 0 of the Device RelatedDiagnostic is set to 1 - Fieldvoltage missing!
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01 (Fixed)
Diagnostic (continued) - Optional: Identifier Related
Header
Data length(including header)
Based on modular system
Each module has one identifier
No additional descriptionnecessary
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Diagnostic Identifier Related (continued) - Example
0 1 0 0 0 1 0 0
0 1 0 0 0 0 0 1
0 0 0 0 0 0 0 1
Identifier Related Diagnostic; Length = 4 Bytes
1 0 0 0 0 0 0 0
Identifier 0 & 6 (Module 1 & 7) with Diagnostics
Identifier 8 (Module 9) with Diagnostics
Identifier 23 (Module 24) with Diagnostics
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10 (Fixed)
Diagnostic (continued) - Optional: Channel Related
Octet 1
Identifier number
3 bytes per channel
Pre-defined error types
Vendor specific types possible
01 = Input10 = Ouput11 = Input/Output
Octet 2
Channel number
001 = Bit010 = 2 Bit011 = 4 Bit
Octet 3
Error type100 = Byte101 = Word110 = 2 Words
1-short circuit2-under voltage3-over voltage4-overload5-over temperature
6-wire break7-upper limit exceeded8-lower limit exceeded9-error10-15 reserved16-31 manufacturer specific
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Diagnostic Channel Related (continued) - Example
1 0 0 0 0 1 0 0
0 1 0 0 0 0 0 1
0 0 1 0 0 1 1 0
Channel Related Diagnostic; Identifier 4 (Module 5)
1 0 0 0 0 1 1 1
Channel 1 (=Input) with Diagnostic
Bit organized; Wire Break
Channel Related Diagnostic; Identifier 7 (Module 8)
Channel 3 (=Output) with Diagnostic
Word organized; Manufacturer specific code
1 0 0 0 0 0 1 1
1 0 1 1 0 0 1 0
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Trao i d liu(tip)- DP Master
4 ch hot ng chnh ca DP Master:
OFFLINEkhng hot ng
STOPtruyn thng mt master class 2 c th,khngc giao tip vi thit b trng
CLEAR - Master truyn thng vi thit b trng; dliu u ra c t 0 hoc di u ra = 0trong trng cc thit b trng c h tr tnh nng
Fail Safe OPERATEhot ng theo ch chun; vic trao
i d liu t master i vi thit b trng
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Trao i d liu(tip) - DP MasterGlobal_Control in tn
Gi theo kiu qung b(= tin nhn cho tt c cc trm)
a ch n= 127
S dng trong CLEAR v OPERATE ti thng tin thitb trng ch hot ng hin ti ca Master
S dng tn hiu thay i ch hot ng t CLEARti OPERATE v ngc li
c s dng trong vic chn nhm cc thit btrng hot ng trong SYNC v/hoc FREEZE
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s
Data Exchange (continued) - Global Control
Command Group Definition
Not used
CLEAR
UNFREEZE
FREEZE
UNSYNC
SYNC
Not used
SD LE LEr SD DA SA FC DSAP SSAP DU.. FCS ED
0x68 x x 0x68 0xFF x x 0x3A 0x3E x .. x 0x16
0 = all field devices addressed
Each bit = 1 addresses ONE group(8 different groups are possible)
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s
Trao i d liu(tip) - DP Master AUTOCLEAR Tnh nng c th c xc nh trong qu trnh cu
hnh mng
Master t ng chuyn ch hot ng t
OPERATE sang CLEAR nu mt hoc nhiu thit btrng khng tr li trong mt khong thi gian xcnh
ch ra s thay i ch , Master gi mtGlobal_Control bc in vi lnh CLEAR
Vic chuyn i tr li OPERATE s ci t bi ngis dng/ng dng
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Thanks for your attention!
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