ISOBUS Diagnostics Functional Overview

Transcription

1 ISOBUS Diagnstics Functinal Overview (ISO11783 Part 12) Hans Jürgen Nissen Jhn Deere AMS Eurpe 21 th February 2008 ISOBUS Intr in Brazil 1

2 Tpics General Descriptin Diagnstic Cnnectr 3 Levels f Diagnstics Level 1 Diagnstic Requirements - Cntrller Applicatin perspective - Service Tl perspective Diagnstic Services cvered Scpe f Enhanced Diagnstics ISOBUS Intr in Brazil 2

3 General Descriptin ISO11783 Part 12 specifies the requirements f a standard diagnstic system fr the pen ISOBUS netwrk. Any unit cnnected t this netwrk shall prvide the infrmatin specified in this part f the standard! Implementatin Level 4 (September 2008) makes this mandatry requirement fr parsing the ISOBUS Certificatin. ISOBUS Intr in Brazil 3

4 ISO11783 Dcuments - 14 Parts r Subdcuments - Part 1 (cmplete) General Standard Part 2 (cmplete) Physical Layer Part 3 (cmplete) Data Link Layer Part 4 (cmplete) Netwrk Layer Part 5 (cmplete) Netwrk Management Layer Part 6 (cmplete) Virtual Terminal Part 7 (cmplete) Implement Messages Part 8 (cmplete) Drive Train Part 9 (cmplete) Tractr ECU Part 10 (cmplete) Task Cntrller Part 11 (cmplete) Mbile Ag Database Part 12 (cmplete) Diagnstic Services Part 13 (cmplete) File Server Part 14 (draft) Sequence Cntrl The standard is a wrk in prgress ISOBUS Intr in Brazil 4

5 Functinality cvered by ISOBUS Diag GPS TC Server Sensr IBBC Aux VT SCM IBBC Lighting Terminatin Engine Tractr ECU Tractr Bus Implement Bus SCVs Hitch Transmissin Drawbar Implement ECU Pump Implement Sub-Net Injectin ISOBUS Intr in Brazil 5

6 Diagnstic Cnnectr Fr details see ISO11783 Part 2 ISOBUS Intr in Brazil 6

7 Functinality cvered The standard defines three level f diagnstics: 0. Nn standard diagnstic features like special screens in the Object pl f an implement allwing t test its inputs and utputs. 1. Basic system diagnstics (mandatry fr all cntrller applicatins) 2. Advanced mre detailed diagnstics (may prprietary, ptinal implementatin) ISOBUS Intr in Brazil 7

8 Functinality cvered Fr Level 1 Diagnstics Cntrllers shall prvide Netwrk infrmatin NAME infrmatin (as defined in Part 5) Industry Grup Device Class (e.g. Planter, Sprayer, etc) Functin (e.g. Implement Cntrller, VT, TC, etc) Manufacturer Cde Identity Number ECU identificatin infrmatin Part# Serial# Manufacturer name in text Sftware versin Cmpliance test data including date and labratry ISOBUS Intr in Brazil 8

9 Functinality cvered Fr Level 1 Diagnstics Cntrllers shall prvide Cntrller diagnstics infrmatin ECU specific diagnstic prtcl supprted fr detailed level 2 diagnstics (nne, J1939, KWP2000, etc) Active diagnstic truble cdes (SPNs and DM1) Previusly active diagnstic truble cdes (DM2) Fault ccurrences (if available) Member f wrking set (if a member) Clear/Reset Previusly Active Diagnstic Truble Cde (DM3) ISOBUS Intr in Brazil 9

10 Functinality cvered Fr Level 1 Diagnstics Service Tls shall Display the Netwrk infrmatin per cntrller Display the Diagnstics infrmatin per cntrller Display the Netwrk statistics bus vltage bus lad CAN errr infrmatin The tl desn t need t supprt all level 2 type diagnstics (J1939, KWP2000), it s enugh t just display the prtcl supprted by the diagnsed device ISOBUS Intr in Brazil 10

11 Diagnstic Services DM1 Active Diagnstic Truble Cdes Originally defined in SAE J Send by any lgic unit n the bus whenever a DTC becmes an active fault r n request Repeated nce per secnd while errr stays active Send nce when the errr becmes inactive Send as Transprt Prtcl when multiple DTC s are active in parallel In case f multiple DTC state changes within ne secnd it s recmmended that nt mre than ne DM1 gets send per secnd t avid high bus lads ISOBUS Intr in Brazil 11

12 Diagnstic Services DM2 Previusly Active DTC s Originally defined in SAE J Prvides n request a list f previusly active DTC s (DTC ccurrence cunter > 0) All previusly active DTC s in ne message (TP required fr mre than 1 DTC) Allws t analyze fr errr dependencies DM3 Clear/Reset Previusly Active DTC s Originally defined in SAE J Isn t included in ISO11783 Part 12 yet => will be required by IL4 dcument Allws the Service Tl t clear the DTC cunters in a particular applicatin/cntrller ISOBUS Intr in Brazil 12

13 Diagnstic Services DTC Diagnstic Truble Cdes A DTC includes - SPN Suspect Parameter Number - FMI Fault Mde Indicatr - Fault Occurrence Cunter (ptinal) SPN Suspect Parameter Number Indentifies the least repairable subsystem that has failed Infrmatin in mst f the ISOBUS message have SPN s assigned 19 bit number Example: Grund Based Speed and Distance Message (Part 7) PGN (0xFE49) Byte 1-2 Grund based Speed SPN _ Byte 3-6 Grund based Distance SPN _ Byte 7 Reserved Byte 8 Grund based Directin, etc SPN _ ISOBUS Intr in Brazil 13

14 Diagnstic Services FMI Failure Mde Identifier Identifies the type f failure in the subsystem FMI Descriptins (details in J Annex A): 0 Data valid but abve nrmal peratin range 1 Data valid but belw nrmal peratinal range 2 Data erratic, intermittent r incrrect 3 Vltage abve nrmal, r shrted t high surce 4 Vltage belw nrmal, r r shrted t lw t lw surce surce 5 Current abve nrmal r pen circuit 6 Current belw nrmal r grunded circuit 7 Mechanical system nt respnding r ut f adjustment 8 Abnrmal frequency r pulse width r perid 9 Abnrmal update rate 10 Abnrmal rate f change 11 Failure cde nt identifiable 12 Bad intelligent device identifiable 13 Out f Calibratin 14 Special Instructins Reserved 31 Nt Available ISOBUS ECU Sensr DM1 SPN: xyz FMI: 4 ISOBUS Intr in Brazil 14

15 Scpe f Enhanced Diagnstics Enhanced Diagnstics allw mre applicatin specific testing Tday enhanced diagnstics are prprietary t the manufacturer (nt defined in Part 12) Gal is t define Optinal Level 2 diagnstics in part 12 AMD Manufacturers will be able t define in a kind f Object Pl (Diag. OP) their guided diagnstics Diag. OP will prvide interpretatin fr DTC s r utput levels f a sensr fr instance. Diag. OP will prvide valid data range fr sensr utput readings Diag. OP will supprt drawings, schematics, etc. Diag. OP can be read by any Service Tl Diag. OP distributin via CAN, CD, Internet, etc. ISOBUS Intr in Brazil 15

16 ISOBUS Diagnstics Functinal Overview (ISO11783 Part 12) Hans Jürgen Nissen Jhn Deere AMS Eurpe? Questins? ISOBUS Intr in Brazil 16

17 ISOBUS Sequence Cntrl Functinal Overview (ISO11783 Part 14) Hans Jürgen Nissen Jhn Deere AMS Eurpe ISOBUS Intr in Brazil 17

18 Tpics General Descriptin Sequence Cntrl Functinality Sequence Cntrl Object Pl Sequence Cntrl Teach-in Sequence Cntrl Replay ISOBUS Intr in Brazil 18

19 General Descriptin ISO11783 Part 14 specifies a Sequence Cntrl System (SC), als knwn as headland management system, which includes tractr and implement functins in ne system/set f sequences. The Gal is t release the peratr frm recurring sequences f peratin steps (e.g. while appraching r leaving the headland). The supprt f this functinality will be ptinal. CD ballt clsed at February 18th, 2008 DIS ballt will start April 1st, 2008 Release f IS dcument is expected fr 2010 ISOBUS Intr in Brazil 19

20 ISO11783 Dcuments - 14 Parts r Subdcuments - Part 1 (cmplete) General Standard Part 2 (cmplete) Physical Layer Part 3 (cmplete) Data Link Layer Part 4 (cmplete) Netwrk Layer Part 5 (cmplete) Netwrk Management Layer Part 6 (cmplete) Virtual Terminal Part 7 (cmplete) Implement Messages Part 8 (cmplete) Drive Train Part 9 (cmplete) Tractr ECU Part 10 (cmplete) Task Cntrller Part 11 (cmplete) Mbile Ag Database Part 12 (cmplete) Diagnstic Services Part 13 (cmplete) File Server Part 14 (draft) Sequence Cntrl The standard is a wrk in prgress ISOBUS Intr in Brazil 20

21 Functinality cvered by ISOBUS Diag GPS TC Server Sensr IBBC Aux VT SCM IBBC Lighting Terminatin Engine Tractr ECU Tractr Bus Implement Bus SCVs Hitch Transmissin Drawbar Implement ECU Pump Implement Sub-Net Injectin ISOBUS Intr in Brazil 21

22 Sequence Cntrl Functinality Sequence Cntrl (SC) Defines ne system wide Sequence Cntrl Master (SCM) Tractr and any ther cntrller/applicatin are cnsidered Sequence Cntrl Clients (SCC) A Sequence f peratin cmmands can be either - recrded while manually perfrming them (Teach-in) r - manually defined in an edit screen A nce defined Sequence can be replayed multiple times Includes Visualizatin f the sequence Operatr can edit recrded sequences Visualizatin and the Edit functinality require that the SCM has apprpriate definitins f all functins (icns, text, etc) => SCC lad an Object Pl int the active SCM n start-up SCM includes the infrmatin f these OP s int his Screen-Layuts ISOBUS Intr in Brazil 22

23 Sequence Cntrl Object Pl SCD basic Object includes infrmatin n - wner f the OP - Object Pl Versin - Machine cnfiguratin represented up t 255 Functins per Client Example Tractr: - x SCV - rear Hitch - frnt Hitch - rear PTO - frnt PTO, etc Each Functin can have either - number value (e.g. % f hitch height) - up t 64 discrete states assciated Each bject has - a graphical representatin (icn) - a text representatin ISOBUS Intr in Brazil 23

24 SC Master Time & Distance Measurement Start f Teach-In Sequence Cntrl - Teach-in - Tractr Implement 1 Implement 2 T-Functin 1 T-Functin 2 I 1 - Functin 1 I 2 - Functin 1 I 2 Func. 2 I 1 - Functin 2 I 2 Func. 3 T-Functin 3 End f Teach-In ISOBUS Intr in Brazil 24

25 SC Master Time & Distance Measurement Start f Replay Sequence Cntrl - Replay - Tractr Implement 1 Implement 2 T-Functin 1 T-Functin 2 I 1 - Functin 1 I 2 - Functin 1 I 2 Func. 2 I 1 - Functin 2 I 2 Func. 3 T-Functin 3 End f Replay ISOBUS Intr in Brazil 25

26 ISOBUS Diagnstics Functinal Overview (ISO11783 Part 12) Hans Jürgen Nissen Jhn Deere AMS Eurpe? Questins? ISOBUS Intr in Brazil 26