Спецификация протокола Profibus
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Page 521
PROFIBUS-Specification-Normative-Parts-6:1997
Copyright by PNO 1997 - all rights reserved
Connection Establishment at the Requester
Current State Transition Next State
Event
\Exit Condition
=> Action Taken
ASS-WAIT-FOR-UPDATE-CON AB 79 ABT-SAP-ACTIVATE 1)
T2 expired
\M-S AND O
=> ignore UPDATE.CON
RSAP-ACTIVATE.req (ACCESS = All, Indication_Mode = unchanged)
stop all timers, start T2
LLI-Fault.ind <RC = LLI_FMA7_RC18)
ABT-WAIT-FOR-UPDATE-CON AB 73 ABT-UPDATE 1)
UPDATE.CON(OK)
\M-S
=> ignore UPDATE.CON
ABT.ind to LLI user <RC = ABT_RC2>
send ABT_REQ_PDU <RC = ABT_RC2>
UPDATE.req(low))
stop all timers, start T2
ABT-WAIT-FOR-UPDATE-CON AB 80 ABT-UPDATE 1)
UPDATE.CON(LR)
\M-S
=> ignore UPDATE.CON
ABT.ind to LLI user <RC = ABT_RC2>
send ABT_REQ_PDU <RC = ABT_RC2>
UPDATE.req(low))
stop all timers, start T2
LLI-Fault.ind <RC = LLI_FMA7_RC3, AD = LR)
ABT-WAIT-FOR-UPDATE-CON AB 87 CLOSED
UPDATE.CON(LS/IV)
\M-S AND D
=> ignore UPDATE.CON
ABT.ind to LLI user <RC = ABT_RC2>
reset CREF
LLI-Fault.ind <RC = LLI_FMA7_RC3, AD = LS/IV)
ABT-WAIT-FOR-UPDATE-CON AB 88 ABT-SAP-ACTIVATE 1)
UPDATE.CON(LS/IV)
\M-S AND O
=> ignore UPDATE.CON
ABT.ind to LLI user <RC = ABT_RC2>
stop all timers, start T2
LLI-Fault.ind <RC = LLI_FMA7_RC3, AD = LS/IV)
RSAP-ACTIVATE.req(Access = All, Indication_Mode unchanged)
ABT-WAIT-FOR-UPDATE-CON AB 81 ABT-UPDATE 1)
T2 expired
\M-S
=> ABT.ind to LLI user <RC = ABT_RC2>
send ABT_REQ_PDU <RC = ABT_RC2>
UPDATE.req(low))
stop all timers, start T2
LLI-Fault.ind <RC = LLI_FMA7_RC18)
Page 522
PROFIBUS-Specification-Normative-Parts-6:1997
Copyright by PNO 1997 - all rights reserved
Connection Establishment at the Requester
Current State Transition Next State
Event
\Exit Condition
=> Action Taken
ABT-WAIT-FOR-UPDATE-CON AB 74 ABT-WAIT-FOR-UPDATE-CON
Any FDL-Primitive except UPDATE.CON(OK/LS/LR/IV)
\M-S
=> ignore FDL-Primitive
ASS-WAIT-FOR-UPDATE-CON AB 75 ASS-WAIT-FOR-UPDATE-CON
Any FDL-Primitive except UPDATE.CON(OK/LS/LR/IV)
\M-S
=> ignore FDL-Primitive
1) see state diagram for connection release
Page 523
PROFIBUS-Specification-Normative-Parts-6:1997
Copyright by PNO 1997 - all rights reserved
6.7.2.3 State Diagram for Connection Release
CLOSED
ABT-SAP-
DEACTIVATE
I/O
O
ABT-
SEND-PDU
ABT-
UPDATE
O
I/O
1:LLI Fault.ind
ABT-
POLL-LIST-ON
D
D
reset CRFE
reset CREF
any unknown PDU
ignore PDU
M
3 ,4: LLI Fault.ind
2: T2 expired
3: unallowed FDL primitives
1,2,3: LLI Fault.ind
2: LLI Fault.ind
ABT-
POLL-LIST-OFF
FDL primiti.
ignore
1: ENTRY.con(LS/IV/NO)
2: T22 expired
1,2: LLI Fault.ind
D
O
deactivate poll list entry.
(ENTRY.con(OK))
SAP_DEACT.con(OK)
1: ENTRY.con(LS/IV/NO)
activate poll list
entry
(ENTRY.req)
entry for
Con. Release
local and
remote
S: UPDATE.con(OK)
and S_UPDATE.con(OK)
M: poll entry enabled = true
reset CREF
start T2, stop machines
2
1,2: LLI Fault.ind
1: T2 expired
2: UPDATE.con(LS/IV/LR)
1,2: LLI-Fault.ind
1: T2 expired
2: UPDATE.con(LS/IV/LR)
1,2: LLI Fault.ind
1: start T2
1: T2 expired
2: S_UPDATE.con(LS/IV/LR)
1: not allowed
FDL primitive
deactivate poll list entry (ENTRY.req)
poll entry enabled :=
true
S_UPDATE.con (OK)
poll entry enabled
= false
2: start T2
4,5: LLI Fault.ind
1...5:SAP_DEACT.req
SAP_ACT.req<all>
ABT-
SAP- ACTIVATE
1: start T2
1...5: deactivate poll list entry
(ENTRY.req)
3: start T2
1,3,5:LLI Fault.ind
any LLI-PDU
(CSRD.con(DL/DH, update_status=NO)/
SRD.ind(low/high, update_status=NO))
i
g
nore Data
2: T2 expired
3: SDA.con(RR/NA/UE/RS/DS))
4: SDA.con(LR/LS/IV)
1: ABT_REQ_PDU / ASS_NRS_PDU sent
(SDA.con(OK))
5: unallowed FDL primitive
2: M: SDA.con(RR/NA/UE/RS/DS)/
T2 expired
unallowed FDL primitives
1: ABT_REQ_PDU / ASS_NRS_PDU
(M: SDA.con(OK), S: SRD.ind)
3: M:SDA.con(LR/LS/IV)/
sent
4: S:SRD.ind(no data,
update_status = NO)
1: (R)SAP_ACT.con(OK)
2: (R)SAP_ACT.con(NO/IV)/
T2 expired AND T2-Already-Expired=True
unallowed FMA1/2 primitive
2:I: SAP_DEACT.con(OK)
1:I/O: SAP_DEACT.con(NO/IV)/
T2 expired AND
T2-Already-Expired=True
unallowed FMA1/2 prim.
Update.req /
S_Update.req
3
entry for
Connection Release
local
stop all Timers
stop all Timers
start T2
stop machines
SAP_DEACT.req
start T2 , stop machines
The Transitions with the numbers 2
and 3 come from other State Diagrams,
see Figures above and below.
unallowed
(CSRD.con(NR/DL/DH,
1: unallowed FDL
primitives
update_status = LO))
4: ABT_REQ_PDU/
3: T2 expired
2: CSRD.con (RR/NA/
RDL/RDH/UE/RS/DS)
ASS_NRS_PDU sent
5:CSRD.con(OK/NO/LS/LR/IV)/
CSRD.con(NR,
update_status=NO)
poll list entry
activated
(ENTRY.con(OK))
M
M
M
M
M
M
S
M
M
M
S
S
M
2: any PDU received
1: LLI Fault.ind
2: ignore
T2 expired AND
T2-Already-
Expired=False
start T2
T2 expired AND
T2-Already-
Expired=False
start T2
1...4: RSAP_ACT.req(All)
1,4: LLI-Fault.ind
2: start T2
start T2
RSAP ACT req(All)
O
S
1: unallowed FDL primitive
2: T2 expired
3: ABT_REQ_PDU/Ass_NRS_PDU sent (SRD.ind)
4: SRD.ind (no Data, Update_status=NO)
Figure 111. State Diagram for Connection Release
Page 524
PROFIBUS-Specification-Normative-Parts-6:1997
Copyright by PNO 1997 - all rights reserved
Description of State Transitions for Connection Release
Connection Release
Current State Transition Next State
Event
\Exit Condition
=> Action Taken
ABT-UPDATE ABORT1 ABT-UPDATE
unallowed FDL primitive
\M-S
=> LLI-Fault.ind <RC = LLI_FMA7_RC6, AD = code of the primitive>
ABT-UPDATE ABORT61 ABT-UPDATE
any LLI-PDU or unknown or faulty PDU received
(SRD.ind(serv_class = low/high)/(C)SRD.con(DL/DH))
\M-S
=> ignore
ABT-UPDATE ABORT2 ABT-POLL-LIST-ON
update buffer loaded (S_UPDATE.con(OK))
\M-S AND (poll entry enabled = false) AND Master
=> activate Poll List entry
(ENTRY.req (remote address/remote LSAP/unlock))
ABT-UPDATE ABORT3 ABT-SEND-PDU
update buffer loaded (UPDATE.con(OK))
\M-S AND Slave
ABT-UPDATE ABORT4 ABT-SEND-PDU
update buffer loaded (S_UPDATE.con (OK))
\M-S AND (poll entry enabled = true) AND Master
ABT-UPDATE ABORT5 CLOSED
T2 expired
\M-S AND Slave AND D
=> LLI-Fault.ind <RC = LLI_FMA7_RC19>
reset CREF
ABT-UPDATE ABORT6 CLOSED
error in loading the update buffer (UPDATE.con(LS/IV/LR))
\M-S AND Slave AND D
=> LLI-Fault.ind <RC = LLI_FMA7_RC3, AD = LS/IV/LR>
reset CREF
ABT-UPDATE ABORT8 ABT-SAP-ACTIVATE
T2 expired
\M-S AND Slave AND O
=> LLI-Fault.ind <RC = LLI_FMA7_RC19>
start T2
RSAP_ACT.req(Access = All, Indication_mode = Unchanged)
ABT-UPDATE ABORT9 ABT-SAP-ACTIVATE
error in loading the update buffer (UPDATE.con(LS/IV/LR))
\M-S AND Slave AND O
=> LLI-Fault.ind <RC = LLI_FMA7_RC3, AD = LS/IV/LR>
RSAP_ACT.req(Access = All, Indication_mode = Unchanged)
Page 525
PROFIBUS-Specification-Normative-Parts-6:1997
Copyright by PNO 1997 - all rights reserved
Connection Release
Current State Transition Next State
Event
\Exit Condition
=> Action Taken
ABT-UPDATE ABORT11 ABT-POLL-LIST-OFF
T2 expired
\M-S AND Master
=> LLI-Fault.ind <RC = LLI_FMA7_RC19>
start T2
deactivate Poll List entry
(ENTRY.req(remote address/remote LSAP/lock))
ABT-UPDATE ABORT12 ABT-POLL-LIST-OFF
error in loading the update buffer
(S_UPDATE.con(LS/IV/LR))
\M-S AND Master
=> LLI-Fault.ind <RC = LLI_FMA7_RC3, AD = LS/IV/LR>
deactivate Poll List entry
(ENTRY.req(remote address/remote LSAP/lock))
ABT-POLL-LIST-ON ABORT14 ABT-SEND-PDU
Poll List entry activated (ENTRY.con(OK))
\M-S AND Master
=> poll entry enabled := true
ABT-POLL-LIST-ON ABORT15 CLOSED
error in the activation of the Poll List entry
(ENTRY.con(LS/IV/NO))
\M-S AND Master
=> LLI-Fault.ind <RC = LLI_FMA7_RC4, AD = LS/IV/NO>
reset CREF
ABT-POLL-LIST-ON ABORT16 CLOSED
T2 expired
\M-S AND Master
=> LLI-Fault.ind <RC = LLI_FMA7_RC19>
reset CREF
ABT-POLL-LIST-ON ABORT17 CLOSED
unallowed FDL primitive
\M-S AND Master
=> LLI-Fault.ind <RC = LLI_FMA7_RC6, AD = code of the primitive>
reset CREF
ABT-SEND-PDU ABORT18 ABT-POLL-LIST-OFF
unallowed FDL primitive
\M-S AND Master
=> deactivate Poll List entry
(ENTRY.req(remote address/remote LSAP/lock))
LLI-Fault.ind <RC = LLI_FMA7_RC6, AD = code of the primitive>
ABT-SEND-PDU ABORT19 ABT-POLL-LIST-OFF
T2 expired
\M-S AND Master
=> deactivate Poll List entry
(ENTRY.req(remote address/remote LSAP/lock))
LLI-Fault.ind <RC = LLI_FMA7_RC19>
start T2
Page 526
PROFIBUS-Specification-Normative-Parts-6:1997
Copyright by PNO 1997 - all rights reserved
Connection Release
Current State Transition Next State
Event
\Exit Condition
=> Action Taken
ABT-SEND-PDU ABORT20 ABT-SAP-ACTIVATE
ABT_REQ_PDU/ASS_NRS_PDU sent
(SRD.ind(serv_class = low/high, update_status = LO))
\M-S AND Slave AND O
=> RSAP_ACT.req(Access = All, Indication_mode = Unchanged)
ABT-SEND-PDU ABORT21 ABT-SAP-DEACTIVATE
ABT_REQ_PDU/ASS_NRS_PDU sent (SDA.con(OK))
\M-M AND (I OR O)
=> SAP_DEACT.req
ABT-SEND-PDU ABORT22 ABT-SAP-ACTIVATE
T2 expired
\M-S AND Slave AND O
=> RSAP_ACT.req(Access = All, Indication_mode = Unchanged)
start T2
ABT-SEND-PDU ABORT23 ABT-SAP-DEACTIVATE
T2 expired
\M-M AND (I OR O)
=> SAP_DEACT.req
start T2
ABT-SEND-PDU ABORT24 ABT-SAP-DEACTIVATE
error on sending the ABT_REQ_PDU
(SDA.con(RR/NA/UE/RS/DS))
\M-M AND (I OR O)
=> SAP_DEACT.req
ABT-SEND-PDU ABORT59 ABT-SAP-DEACTIVATE
error on sending the ASS_NRS_PDU
(SDA.con(RR/NA/UE/RS/DS))
\M-M AND O
=> SAP_DEACT.req
ABT-SEND-PDU ABORT25 ABT-SAP-DEACTIVATE
error on sending the ABT_REQ_PDU (SDA.con(LS/LR/IV))
\M-M AND (I OR O)
=> SAP_DEACT.req
LLI-Fault.ind <RC = LLI_FMA7_RC12, AD = LS/LR/IV>
ABT-SEND-PDU ABORT60 ABT-SAP-DEACTIVATE
error on sending the ASS_NRS_PDU (SDA.con(LS/LR/IV))
\M-M AND O
=> SAP_DEACT.req
LLI-Fault.ind <RC = LLI_FMA7_RC12, AD = LS/LR/IV>
ABT-SEND-PDU ABORT26 CLOSED
ABT_REQ_PDU or ASS_NRS_PDU sent
(SRD.ind(serv_class = low/high, update_status = LO))
\M-S AND Slave AND D
=> reset CREF
Page 527
PROFIBUS-Specification-Normative-Parts-6:1997
Copyright by PNO 1997 - all rights reserved
Connection Release
Current State Transition Next State
Event
\Exit Condition
=> Action Taken
ABT-SEND-PDU ABORT27 CLOSED
ABT_REQ_PDU or ASS_NRS_PDU sent (SDA.con(OK))
\M-M AND D
=> reset CREF
ABT-SEND-PDU ABORT28 CLOSED
error on sending the ABT_REQ_PDU or ASS_NRS_PDU
(SDA.con(RR/NA/UE/RS/DS))
\M-M AND D
=> reset CREF
ABT-SEND-PDU ABORT29 CLOSED
T2 expired
\M-S AND Slave AND D
=> reset CREF
ABT-SEND-PDU ABORT30 CLOSED
T2 expired
\M-M AND D
=> reset CREF
ABT-SEND-PDU ABORT31 CLOSED
error on sending the ABT_REQ_PDU or ASS_NRS_PDU (SDA.con(LS/LR/IV))
\M-M AND D
=> LLI-Fault.ind <RC = LLI_FMA7_RC12, AD = LS/LR/IV>
reset CREF
ABT-SEND-PDU ABORT32 CLOSED
unallowed FDL primitive
\M-S AND Slave AND D
=> LLI-Fault.ind <RC = LLI_FMA7_RC6, AD = code of the primitive>
reset CREF
ABT-SEND-PDU ABORT33 CLOSED
unallowed FDL primitive
\M-M AND D
=> LLI-Fault.ind <RC = LLI_FMA7_RC6, AD = code of the primitive>
reset CREF
ABT-SEND-PDU ABORT56 ABT-SAP-ACTIVATE
unallowed FDL primitive
\M-S AND Slave AND O
=> LLI-Fault.ind <RC = LLI_FMA7_RC6, AD = code of the primitive>
RSAP_ACT.req(Access = All, Indication_mode = Unchanged)
ABT-SEND-PDU ABORT57 ABT-SAP-DEACTIVATE
unallowed FDL primitive
\M-M AND (I or O)
=> LLI-Fault.ind <RC = LLI_FMA7_RC6, AD = code of the primitive>
SAP_DEACT.req
ABT-POLL-LIST-OFF ABORT34 ABT-POLL-LIST-OFF
unallowed FDL primitive
\M-S AND Master
=> LLI-Fault.ind <RC = LLI_FMA7_RC6, AD = code of the primitive>
Page 528
PROFIBUS-Specification-Normative-Parts-6:1997
Copyright by PNO 1997 - all rights reserved
Connection Release
Current State Transition Next State
Event
\Exit Condition
=> Action Taken
ABT-POLL-LIST-OFF ABORT62 ABT-POLL-LIST-OFF
any LLI-PDU or unknown or faulty PDU received
\M-S AND Master
=> ignore
ABT-POLL-LIST-OFF ABORT35 CLOSED
Poll List entry deactivated (ENTRY.con(OK))
\M-S AND Master
=> poll entry enabled := false
reset CREF
ABT-POLL-LIST-OFF ABORT36 CLOSED
error in the deactivation of the Poll List entry
(ENTRY.con(LS/IV/NO))
\M-S AND Master
=> LLI-Fault.ind <RC = LLI_FMA7_RC5, AD = LS/IV/NO>
reset CREF
ABT-POLL-LIST-OFF ABORT37 CLOSED
T2 expired
\M-S AND Master
=> LLI-Fault.ind <RC = LLI_FMA7_RC19>
reset CREF
ABT-SAP-DEACTIVATE ABORT38 CLOSED
SAP_DEACT.con(NO/IV)
=> LLI-Fault.ind <RC = LLI_FMA7_RC2, AD = error state>
reset CREF
ABT-SAP-DEACTIVATE ABORT39 CLOSED
SAP_DEACT.con(OK)
\M-M AND I
=> reset CREF
ABT-SAP-DEACTIVATE ABORT41 ABT-SAP-ACTIVATE
SAP_DEACT.con(OK)
\M-M AND O
=> SAP_ACT.req(Access = All)
ABT-SAP-ACTIVATE ABORT43 CLOSED
(R)SAP_ACT.con(OK)
\
=> reset CREF
ABT-SAP-ACTIVATE ABORT44 CLOSED
(R)SAP_ACT.con(NO/IV)
\
=> LLI-Fault.ind <RC = LLI_FMA7_RC1, AD = error state>
reset CREF
Page 529
PROFIBUS-Specification-Normative-Parts-6:1997
Copyright by PNO 1997 - all rights reserved
Connection Release
Current State Transition Next State
Event
\Exit Condition
=> Action Taken
CLOSED ABORT45 CLOSED
faulty or unknown PDU received
\M-M OR M-S
=> ignore PDU
ABT-SAP-DEACTIVATE ABORT58 CLOSED
T2 expired
\M-M AND (O OR I) AND T2-Already-Expired = TRUE
=> LLI-Fault.ind <RC = LLI_FMA7_RC19>
reset CREF
ABT-SAP-DEACTIVATE ABORT63 ABT-SAP-DEACTIVATE
T2 expired
\M-M AND (O OR I) AND T2-Already-Expired = FALSE
=> start T2
T2-Already-Expired = TRUE
ABT-SAP-ACTIVATE ABORT47 CLOSED
T2 expired
\T2-Already-Expired = TRUE
=> LLI-Fault.ind <RC = LLI_FMA7_RC19>
reset CREF
ABT-SAP-ACTIVATE ABORT65 ABT-SAP-ACTIVATE
T2 expired
\T2-Already-Expired = FALSE
=> T2-Already-Expired = TRUE
start T2
ABT-SEND-PDU ABORT48 ABT-POLL-LIST-OFF
error on sending the ABT_REQ_PDU
(CSRD.con(L_status = RR/NA/RDL/RDH/UE/RS/DS))
OR ABT_REQ_PDU sent
(CSRD.con(L_status = NR/DL/DH, update_status = LO))
OR ASS_NRS_PDU sent
(CSRD.con(L_status = NR/DL/DH, update_status = LO))
\M-S AND Master
=> deactivate Poll List entry
(ENTRY.req(remote address/remote LSAP/lock))
ignore data if present
ABT-SEND-PDU ABORT49 ABT-POLL-LIST-OFF
error on sending the ABT_REQ_PDU (CSRD.con(L_status = OK/NO/LS/LR/IV))
\M-S AND Master
=> deactivate Poll List entry
(ENTRY.req(remote address/remote LSAP/lock))
LLI-Fault.ind <RC = LLI_FMA7_RC13, AD = OK/NO/LS/LR/IV>
ABT-SEND-PDU ABORT50 ABT-SEND-PDU
any LLI PDU or unknown or faulty PDU received
(CSRD.con(L_status = DL/DH, update_status = NO)/
SRD.ind(serv_class = low/high, update_status = NO))
\M-S
=> ignore
Page 530
PROFIBUS-Specification-Normative-Parts-6:1997
Copyright by PNO 1997 - all rights reserved
Connection Release
Current State Transition Next State
Event
\Exit Condition
=> Action Taken
ABT-SEND-PDU ABORT51 CLOSED
SRD.ind(no data, update_status = NO))
\M-S AND Slave AND D
=> LLI-Fault.ind <RC = LLI_FMA7_RC24>
reset CREF
ABT-SEND-PDU ABORT52 ABT-SAP-ACTIVATE
SRD.ind(no data, update_status = NO))
\M-S AND Slave AND O
=> SAP_DEACT.req
LLI-Fault.ind <RC = LLI_FMA7_RC24>
ABT-SEND-PDU ABORT53 ABT-POLL-LIST-OFF
CSRD.con(L_status = NR, update_status = NO))
\M-S AND Master
=> deactivate Poll List entry
(ENTRY.req(remote address/remote LSAP/lock))
LLI-Fault.ind <RC = LLI_FMA7_RC24>
ABT-SAP-DEACTIVATE ABORT54 CLOSED
unallowed FMA1/2 primitive received
=> LLI-Fault.ind <RC = LLI_FMA7_RC22>
reset CREF
ABT-SAP-ACTIVATE ABORT55 CLOSED
unallowed FMA1/2 primitive received
=> LLI-Fault.ind <RC = LLI_FMA7_RC22>
reset CREF