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UMAX090600 Version 1

Preliminary Documentation – May be Subject to Change

40-48

Screen Capture of Default Power Supply Diag Setpoints

Note: By default, the “Event Generates at DTC in DM1” is actually False, but it was changed to get
the screen capture.

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Summary of Contents for SAEJ1939

Page 1: ...USER MANUAL UMAX090600 Version V1 24VDC to 14VDC 2A BATTERY CHARGER with DUAL LED SAEJ1939 USER MANUAL P N AX090600 250kbps P N AX090600 01 500kbps P N AX090600 02 1Mbps...

Page 2: ...gative Acknowledgement from SAE J1939 standard PDU1 A format for messages that are to be sent to a destination address either specific or global from SAE J1939 standard PDU2 A format used to send info...

Page 3: ...4 1 7 DTC REACT FUNCTION BLOCK 17 1 8 CAN TRANSMIT FUNCTION BLOCK 18 1 9 CAN RECEIVE FUNCTION BLOCK 20 1 10 AVAILABLE CONTROL INPUT SOURCES 22 2 INSTALLATION INSTRUCTIONS 24 2 1 DIMENSIONS AND PINOUT...

Page 4: ...d This is a useful feature during configuration but during a setpoint file upload it may be required to re flash the same file a second time if this feature is active The second upload will ensure all...

Page 5: ...nt batteries Its dual LED can be configured to react to different events or faults the controller undergoes It is used as a means of providing visual feedback to the user of the controller s operation...

Page 6: ...harge Stage then when the battery voltage reaches a certain point the charger switches to the Bulk Charge Stage and finally the charging process is finalized in the Absorption Stage After the battery...

Page 7: ...ller will begin constant current mode at the current level entered in Pre Charge Stage Current Level This current level should be low enough as to prevent damage to the battery The battery will pre ch...

Page 8: ...falls outside of the ranges the battery charge operation will stop Once the power supply voltage falls within operating range the controller will determine which stage along the profile to engage bas...

Page 9: ...Green 2 Yellow 3 Red 4 Toggle Green Red Table 1 LED Output Types The LED Responses that are available for each stage in the CAN BC LED are listed in Table 2 below Value Meaning 0 Normal On Off 1 Blin...

Page 10: ...function block The first is the X Axis Source and X Axis Number which together define the Control Source for the function block When it is changed the table is automatically updated with new defaults...

Page 11: ...is Source that has been selected If some of the data points are Ignored as described in Section 1 5 4 they will not be used in the X Axis calculation shown above For example if points X4 and higher ar...

Page 12: ...point except 0 0 can be selected for an Ignore response If Point N Response is set to ignore then all points from XN YN to X10 Y10 will also be ignored For all data greater than XN 1 the output from t...

Page 13: ...to zero Otherwise the output result will not match the profile as expected Recall also that the Y Axis range of the table should be set to match the Output Drive range in order to get a 1 1 response o...

Page 14: ...abled as appropriate When disabled all diagnostic behaviour associated with the output or event in question is ignored i e this type of fault will not disable the output In the case of a battery volta...

Page 15: ...DTC LSB first FMI Failure Mode Identifier next 5 bits of the DTC CM Conversion Method 1 bit always set to 0 OC Occurrence Count 7 bits number of times the fault has happened In addition to supporting...

Page 16: ...lamp will be set in this byte while the DTC is active The J1939 standard defines the lamps as Malfunction Red Stop Amber Warning or Protect By default the Amber Warning lamp is typically the one set b...

Page 17: ...FMI vs High Fault FMI 1 7 DTC React Function Block The DTC React function block is a very simple function which will allow a received DTC sent from another ECU on a DM1 message to disable an output or...

Page 18: ...ber will be used for ALL the messages that use that PGN By default all messages are sent on Proprietary B PGNs as broadcast messages The default settings do bundle multiple messages onto a PGN as outl...

Page 19: ...AN Transmit Messages all of which can be programmed to send any available data to the CAN network By default only the first message is pre configured to send information regarding the charging status...

Page 20: ...on a heavilysaturated network it is recommended to set it at least three times larger than the expected update rate To disable the timeout feature simply set this value to zero in which case the rece...

Page 21: ...tions As the names imply they are also used as the On Off thresholds for digital input types These values are in whatever units the output data is AFTER the resolution and offset is applied to the CAN...

Page 22: ...The CAN Receive Messages each have a unique default assigned to them as outlined in Section 1 11 Diagnostic Trouble Code Rxd 1 to 4 Will only be valid if the corresponding DTC has a non zero SPN Proce...

Page 23: ...ing profile is Pre Charge will command the LED Charging Stage in Bulk Stage N A Stage of charging profile is Bulk Charge will command the LED Charging Stage in Absorption Stage N A Stage of charging p...

Page 24: ...tion May be Subject to Change 24 48 2 INSTALLATION INSTRUCTIONS 2 1 Dimensions and Pinout Figure 8 Dimension Drawing CAN and I O Connector Pin Function 1 CAN_L 2 CAN_H 3 BATT_TEMP 4 BATT_TEMP 5 VIN 6...

Page 25: ...rdous locations they need to be located in conduit or conduit trays at all times The modules must be mounter in an enclosure in hazardous locations for this purpose No wire or cable harness should exc...

Page 26: ...dule s Frame GND pin to improve the EMIresponse of the unit All chassis grounding should go to a single ground point designated for the machine and all related equipment Axiomatic recommends that the...

Page 27: ...ansfer Message 60160 00EB00 Note Any Proprietary B PGN in the range 65280 to 65535 00FF00 to 00FFFF can be selected From J1939 73 Diagnostics DM1 Active Diagnostic Trouble Codes 65226 00FECA DM2 Previ...

Page 28: ...U The ECU Instance is a configurable setpoint associated with the NAME Changing this value will allow multiple ECUs of this type to be distinguishable by other ECUs including the Electronic Assistant...

Page 29: ...On request Data Length Variable Extended Data Page 0 Data Page 0 PDU Format 254 PDU Specific 218 PGN Supporting Information Default Priority 6 Parameter Group Number 65242 0xFEDA Part Number Version D...

Page 30: ...Documentation May be Subject to Change 30 48 EA shows all this information in General ECU Information as shown below Note The information provided in the Software ID is available for any J1939 service...

Page 31: ...hat this is a fully programmable unit such that all these SPNs can be sent on different PGNs if so desired In all the messages shown below not all the transmitted values have an SPN assigned to them a...

Page 32: ...receive channels used as inputs to the various function blocks supported by this ECU Recall however that this is a fully programmable unit such that all these SPNs can be received on different PGNs if...

Page 33: ...reen Capture of Default J1939 Network Setpoints Name Range Default Notes ECU Instance Number Drop List 0 1 First Instance Per J1939 81 ECU Address 0 to 253 26 0x1A Alternator Electrical Charging Syste...

Page 34: ...een Capture of Default LED Control Setpoints Name Range Default Notes Stage 1 Control Source Drop List 0 Control Not Used See Table 8 Stage 1 Control Number Depends on Source Not Used See Table 8 Stag...

Page 35: ...Not Used Stage 5 Control Source Drop List 8 Bulk Charge Stage See Table 8 Stage 5 Control Number Depends on Source 1 See Table 8 Stage 5 Output Type Drop List 2 Yellow See Table 1 Stage 5 Response Ty...

Page 36: ...evel Limit to 16V 14 2V Limit Bulk Charge Stage Voltage Threshold Float Stage Voltage Level Limit to 16V 13 8V Limit Float to Bulk Transition Voltage Threshold Voltage Hysteresis Value 0 to 5V 0 2V Us...

Page 37: ...etpoints are used Screen Capture of Default CAN Transmit 1 Setpoints Name Range Default Notes Transmit Data Source Drop List Different for each See Table 7 for defaults Transmit Data Number Per Source...

Page 38: ...ss that sends PGN 0 to 255 254 0xFE Null Addr Not used by default Receive Data Size Drop List Different for each 0 Not Used disabled 1 1 Bit 2 2 Bits 3 4 Bits 4 1 Byte 5 2 Bytes 6 4 Bytes See Section...

Page 39: ...ints Name Range Default Notes SPN to Trigger Reaction X 0 to 524287 0 0 is an illegal value and disables the DTC FMI to Trigger Reaction X Drop List 31 Condition Exists Supports all FMIs in the J1939...

Page 40: ...reliminary Documentation May be Subject to Change 40 48 Screen Capture of Default Power Supply Diag Setpoints Note By default the Event Generates at DTC in DM1 is actually False but it was changed to...

Page 41: ...s section details the simple step by step instructions to upload new firmware provided by Axiomatic onto the unit via CAN without requiring it to be disconnected from the J1939 network 1 When EA first...

Page 42: ...ary Documentation May be Subject to Change 42 48 3 When the prompt box asks if you want to reset the ECU select Yes 4 Upon reset the ECU will no longer show up on the J1939 network as an AX090600 but...

Page 43: ...s and only one ECU would show up as the bootloader Once the active bootloader returns to regular functionality the other ECU s would have to be power cycled to re activate the bootloader feature 5 Whe...

Page 44: ...heir factory defaults By leaving this box unchecked none of the setpoints will be changed when the new firmware is uploaded 7 Once the Flash Application Firmware window opens you can enter comments su...

Page 45: ...cation will not run Rather when the ECU is reset or power cycled the J1939 Bootloader will continue to be the default application until valid firmware has been successfully uploaded into the unit 9 On...

Page 46: ...ary Documentation May be Subject to Change 46 48 6 VERSION HISTORY Version Date Author Modifications 1 October 23 2017 Gustavo Del Valle Initial Draft October 31 2019 Amanda Wilkins Updated pinout add...

Page 47: ...rrent DC 2 A continuous Maximum Input Current 1 3ADC 26Vdc Output Voltage 14 Vdc 2 Engine Load Dump Designed to meet load dump conditions up to 120Vdc Output Voltage Ripple VO RIPPLE 100 mVpp Reverse...

Page 48: ...indows based PC for initial configuration An Axiomatic USB CAN Converter AX070501 is available Order the EA and USB CAN as a kit P N AX070502 which includes all interconnecting cables Re flashing over...

Page 49: ...peration description of problem Wiring set up diagram application Other comments as needed When preparing the return shipping paperwork please note the following The commercial invoice for customs and...

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