Спецификация протокола Profibus
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Copyright by PNO 1997 - all rights reserved
4.9.3.2 FMA7 Error-Type
FMA7-Error ::= SEQUENCE {
fma7-error-class [1] FMA7-Error-Class,
additional-code [2] Integer8 OPTIONAL,
additional-description [3] VISIBLE-STRING OPTIONAL
}
FMA7-Error-Class ::= SEQUENCE {
CHOICE {
application-reference [1] IMPLICIT INTEGER {
other (0),
application-unreachable (1)
},
resource [2] IMPLICIT INTEGER {
other (0),
memory-unavailable (1)
},
service [3] IMPLICIT INTEGER {
other (0),
object-state-conflict (1),
object-constraint-conflict (2),
parameter-inconsistent (3),
illegal-parameter (4),
permanent-internal-fault (5)
},
user [4] IMPLICIT INTEGER {
other (0),
don't-worry-be-happy (1),
memory-unavailable (2)
},
access [5] IMPLICIT INTEGER {
other (0),
object-access-unsupported (1),
object-non-existent (2),
object-access-denied (3),
hardware-fault (4),
type-conflict (5)
},
crl-error [6] IMPLICIT INTEGER {
other (0),
invalid-crl-entry (1),
no-crl-entry (2),
invalid-crl (3),
no-crl (4),
crl-write-protected (5)
},
others [7] IMPLICIT INTEGER {
other (0)
}
}
}
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PROFIBUS-Specification-Normative-Parts-7:1997
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4.9.4 FMA7 Initiate
FMA7-Initiate ::= CHOICE {
FMA7-initiate-request [0] IMPLICIT FMA7-Initiate-Request,
FMA7-initiate-response [1] IMPLICIT FMA7-Initiate-Response,
FMA7-initiate-error [2] IMPLICIT FMA7-Initiate-Error
}
4.9.4.1 FMA7 Initiate-Request
FMA7-Initiate-Request ::= SEQUENCE {
max-fma7-pdu-sending-low-prio-calling [0] IMPLICIT Unsigned8,
max-fma7-pdu-receiving-low-prio-calling [1] IMPLICIT Unsigned8,
fma7-Services-supported-calling [2] IMPLICIT BIT STRING
-- encoding see
-- clause CRL Object
}
4.9.4.2 FMA7 Initiate-Response
FMA7-Initiate-Response ::= NULL
4.9.4.3 FMA7 Initiate-Error
FMA7-Initiate-Error ::= SEQUENCE {
error-code [0] IMPLICIT INTEGER {
other (0),
max-pdu-size-insufficient (1),
service-not-supported (2),
user-initiate-denied (3)
},
max-fma7-pdu-sending-low-prio-called [1] IMPLICIT Unsigned8,
max-fma7-pdu-receiving-low-prio-called [2] IMPLICIT Unsigned8,
FMA7-Services-Supported-called [3] IMPLICIT BIT STRING
}
4.9.5 General Substitutions
Invoke-ID ::= Integer8
CRL-Entry ::= PACKED
Integer8 ::= INTEGER -- 8 Bit Integer
Integer16 ::= INTEGER -- 16 Bit Integer
Unsigned8 ::= UNSIGNED -- 8 Bit Unsigned
Unsigned16 ::= UNSIGNED -- 16 Bit Unsigned
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PROFIBUS-Specification-Normative-Parts-7:1997
Copyright by PNO 1997 - all rights reserved
4.10 Error Reports
An error report in Result(-) has the following structure:
Table 26. Error Type
+---------------------------------+-----+
! ! !
! Error Type !.res !
! !.con !
+---------------------------------+-----+
! FMA7 Error Class ! M !
! FMA7 Error Code ! M !
! Additional Code ! U !
! Additional Description ! U !
+---------------------------------+-----+
FMA7 Error Class
This parameter specifies the error class.
FMA7 Error Code
This parameter gives a more precise specification within the error class.
Additional Code (optional)
This parameter is optional. Its use and interpretation is the responsibility of
the user.
Additional Description (optional)
This parameter is optional and may be used to add a text to the error report.
4.10.1 Meaning of FMA7 Error Class and FMA7 Error Code
FMA7 Error Class
meaning of the error class
- FMA7 Error Code
meaning of the error code
Application Reference
This error class refers to the communication relationship on which the service
is performed.
- Other
The error could not be assigned to any of the error codes specified below.
- Application-Unreachable
The application process is unreachable.
Resource
This error class is reported when the available resources are exceeded.
- Other
The error could not be assigned to any of the error codes specified below.
- Memory Unavailable
There is no memory available to perform the service.
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Service
This error class is reported in case of a faulty service.
- Other
The error could not be assigned to any of the error codes specified below.
- Object State Conflict
The current state of the object prevents an execution of the service.
- Object Constraint Conflict
The execution of the service is not possible currently.
- Parameter Inconsistent
The service contains inconsistent parameters.
- Illegal Parameter
A parameter has an illegal value.
- Permanent Internal Fault
The service could not be performed because of a permanent internal fault.
User
This error class is reported if the user refuses to execute the service.
- Other
The error could not be assigned to any of the error codes specified below.
- Don't Worry Be Happy
This error is depends on the user and shall be defined by profiles.
- Memory Unavailable
The user has insufficient memory to perform the service.
FMA7 Error Class
meaning of the error class
- FMA7 Error Code
meaning of the error code
Access
This error class is reported in case of a faulty access.
- Other
The error could not be assigned to any of the error codes specified below.
- Object Access Unsupported
The object is not defined for the requested access.
- Object Non Existent
The object does not exist.
- Object Access Denied
The FMA7 requester has insufficient access rights for the object.
- Hardware Fault
The access to the object failed due to a hardware fault.
- Type Conflict
The access is rejected because of an incorrect data type.
CRL Error
This error class is reported in case of a faulty access to the CRL (e.g. Initi-
ateLoad-CRL-Rem, Load-CRL-Rem, TerminateLoad-CRL-Rem).
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- Other
The error could not be assigned to any of the error codes specified below.
- Invalid CRL Entry
A CRL entry is invalid.
- No CRL Entry
No further CRL entry exists.
- Invalid CRL
The CRL is invalid (e.g. FMS part and LLI part of the CRL are incompatible).
- No CRL
No CRL exists.
- CRL Write Protected
The CRL is write protected.
Others
This error class could not be assigned to any of the previously specified error
classes.
- Other
The error could not be assigned to any of the previously specified error
codes.
4.10.2 Meaning of remaining Parameters
Additional Code
Specification by profiles
Additional Description
Specification by profiles
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Page 687
PROFIBUS-Specification-Normative-Parts-8:1997
Copyright by PNO 1997 - all rights reserved
PROFIBUS Specification - Normative Parts
Part 8
User Specifications
Page 688
PROFIBUS-Specification-Normative-Parts-8:1997
Copyright by PNO 1997 - all rights reserved
CONTENTS
Page
1 Field of Application and Purpose ...................................692
2 Normative References and additional Reference Material .............693
3 Abbreviations ......................................................694
4 Terms ..............................................................696
5 Requirements on the PROFIBUS-DP System .............................699
6 Behaviour of the System ............................................700
6.1 General ............................................................700
6.2 Synchronisation ....................................................701
6.3 Combination Devices ................................................702
7 Communication Model ................................................703
7.1 General ............................................................703
7.2 Protocol Architecture ..............................................703
7.3 Communication Relationships ........................................705
7.4 Overview of Functions ..............................................707
7.5 Service Execution ..................................................709
7.5.1 Master-Slave Communication .........................................709
7.5.2 Master-Master Communication ........................................711
8 Medium Access and Transmission Protocol ............................713
8.1 General ............................................................713
8.2 Token Rotation Time ................................................715
8.3 Priorities .........................................................716
8.4 Control Intervals ..................................................716
8.5 System Reaction Time ...............................................717
8.6 Frame Formats ......................................................718
8.7 Address Extension ..................................................718
8.8 Bus Parameter ......................................................718
8.9 Statistic Counters .................................................719
9 Interface between DDLM and User-Interface ..........................720
9.1 Device Specific Function Reference .................................720
9.2 Description Format of DDLM-Function Calls ..........................720
9.3 DP-Master - DP-Slave Functions .....................................723
9.3.1 Read DP-Slave Diagnostic Information ...............................723
9.3.2 Transfer Input and Output Data .....................................729
9.3.3 Read Input and Output Data of a DP-Slave ...........................731
9.3.4 Send Parameter Data ................................................732
9.3.5 Check Configuration Data ...........................................734
9.3.6 Read Configuration Data ............................................739
9.3.7 Control Commands to DP-Slave .......................................739
9.3.8 Change Station Address of a DP-Slave ...............................741
9.4 DP-Master - DP-Master Functions ....................................743
9.4.1 Read Master Diagnostic Information .................................743
9.4.2 Up-/Download .......................................................745
9.4.3 Activate Parameter Set (unconfirmed) ...............................748
9.4.4 Activate/Deactivate Parameter Set ..................................749
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9.5 Local Functions at DP-Slave........................................ 751
9.5.1 General............................................................ 751
9.5.2 DDLM_Slave_Init.................................................... 751
9.5.3 DDLM_Set_minTsdr................................................... 752
9.5.4 DDLM_Enter......................................................... 752
9.5.5 DDLM_Leave......................................................... 753
9.5.6 DDLM_Fault......................................................... 753
9.6 Local Functions at DP-Master....................................... 753
9.6.1 General............................................................ 753
9.6.2 DDLM_Master_Init................................................... 753
9.6.3 DDLM_Responder_Init................................................ 754
9.6.4 DDLM_Requester_Init................................................ 754
9.6.5 DDLM_Reset......................................................... 755
9.6.6 DDLM_Set_Bus_Par................................................... 755
9.6.7 DDLM_Set_Value..................................................... 755
9.6.8 DDLM_Read_Value.................................................... 756
9.6.9 DDLM_Delete_SC..................................................... 757
9.6.10 DDLM_Fault......................................................... 757
9.6.11 DDLM_Event......................................................... 757
10 Interface between User-Interface and User.......................... 759
10.1 DP-Master (class 1)................................................ 759
10.1.1 Data Interface..................................................... 759
10.1.2 Service Interface.................................................. 761
10.1.2.1 Set Operation Mode................................................. 762
10.1.2.2 Message upon Change of Operation Mode.............................. 763
10.1.2.3 Load Bus Parameter Set............................................. 763
10.1.2.4 Synchronize Data Transfer.......................................... 764
10.1.2.5 Control Commands to DP-Slave....................................... 764
10.1.2.6 Read Statistic Counters............................................ 765
10.1.2.7 Clear Statistic Counter............................................ 766
10.1.3 Server Behaviour at DP-Master (Class 1)............................ 766
10.2 DP-Master (class 2)................................................ 767
10.3 DP-Slave........................................................... 767
11 Coding............................................................. 768
11.1 Coding Rules for Additional Information............................ 768
11.1.1 General............................................................ 768
11.1.2 Coding Rules....................................................... 768
11.1.3 Structure of Additional Information................................ 769
11.2 Boolean............................................................ 771
11.3 Unsigned........................................................... 771
11.4 Octet-String....................................................... 772
11.5 Visible-String..................................................... 772
11.6 Coding of Set_Slave_Add and Global_Control......................... 773
11.7 Structure of the Data_Unit at Data_Exchange........................ 773
11.8 Master-Parameter Set............................................... 774
11.8.1 Coding of the Bus Parameter Set.................................... 775
11.8.2 Coding of Parameter Set of DP-Slave................................ 777
11.9 Coding of Statistic Counters....................................... 779
12 Direct-Data-Link-Mapper (DDLM)..................................... 780
12.1 General............................................................ 780
12.2 Interface between DDLM and Layer 2................................. 780
12.3 Communication between DP-Master and DP-Slave....................... 782
12.4 Communication between DP-Master and DP-Master...................... 784
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13 Formal Description of State Machines ...............................786
13.1 General ............................................................786
13.2 Communication Model of DP-Master (Class 1) .........................786
13.2.1 General ............................................................786
13.2.2 FDL and FMA1/2 .....................................................786
13.2.3 Direct-Data-Link-Mapper ............................................786
13.2.4 User-Interface .....................................................787
13.2.5 User ...............................................................788
13.3 State Machines in the DP-Master (Master-Slave) .....................790
13.3.1 State Machine Slave-Handler ........................................790
13.3.1.1 State Diagram Slave-Handler ........................................790
13.3.1.2 State Machine Description ..........................................791
13.3.1.3 State Transitions ..................................................792
13.3.2 State Machine of Scheduler .........................................800
13.3.2.1 State Diagram of Scheduler .........................................800
13.3.2.2 State Machine Description ..........................................801
13.3.2.3 State Transitions ..................................................802
13.3.3 State Machine of Service-Handler ...................................811
13.3.3.1 State Diagram of Service-Handler ...................................811
13.3.3.2 State Machine Description ..........................................811
13.3.3.3 State Transitions ..................................................812
13.3.4 State Machine of DDLM ..............................................813
13.3.4.1 State Diagram of DDLM ..............................................813
13.3.4.2 State Machine Description ..........................................814
13.3.4.3 State Transitions ..................................................814
13.4 Communication Model of the DP-Master (Class 2) .....................821
13.4.1 General ............................................................821
13.4.2 FDL and FMA1/2 of PROFIBUS .........................................821
13.4.3 Direct-Data-Link-Mapper ............................................821
13.4.4 User ...............................................................823
13.5 State Machines in the DP-Master (Master-Master) ....................824
13.5.1 State Machine of DDLM DP-Master (Class 1) ..........................824
13.5.1.1 State Diagram of DDLM DP-Master (Class 1) ..........................824
13.5.1.2 State Machine Description ..........................................825
13.5.1.3 State Transitions ..................................................825
13.5.2 State Machine of DDLM DP-Master (Class 2) ..........................834
13.5.2.1 State Diagram of DDLM DP-Master (Class 2) ..........................834
13.5.2.2 State Machine Description ..........................................834
13.5.2.3 State Transitions ..................................................835
13.6 Communication Model of the DP-Slave ................................841
13.6.1 General ............................................................841
13.6.2 FDL and FMA1/2 .....................................................842
13.6.3 Direct Data Link Mapper ............................................842
13.6.4 User-Interface .....................................................842
13.6.5 User ...............................................................843
13.7 State Machines in the DP-Slave .....................................844
13.7.1 State Machine of User-Interface ....................................844
13.7.1.1 State Diagram of User-Interface ....................................844
13.7.1.2 State Machine Description ..........................................845
13.7.1.3 State Transitions ..................................................847
13.7.2 State Machine of DDLM ..............................................858
13.7.2.1 State Diagram of DDLM ..............................................858
13.7.2.2 State Machine Description ..........................................858
13.7.2.3 State Transitions ..................................................859
14 Characteristic Features of a Device ................................865