AVT AVT-718 User Manual Download

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P3 Pin #

Where to

Description

OBD-II Connector

[using AVT OBD-II cable]

JP1 pin 19

JP1 pin 2
JP1 pin 4

J1850 bus +

JP1 pin 18

ground plane

Ground

ground plane

Ground

JP1 pin 12

JP1 pin 8

K-line

JP1 pin 20

JP1 pin 16

JP1 pin 6

J1850 bus -

JP1 pin 21

JP1 pin 22

power input
protection circuit

+V-battery

JP1 pin 14

JP1 pin 10

L-line

Table 5 Connector P3 (revisions “A” to “G”)

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Summary of Contents for AVT-718

Page 1: ...ilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock...

Page 2: ...RS 232 or RS 422 Unit User s Manual 1509 Manor View Road Davidsonville MD 21035 410 798 4038 voice 410 798 4308 fax www AVT HQ com support AVT HQ com Revision C1 19 October 2004 Artisan Technology Gro...

Page 3: ...ETWORKS 13 5 COMMUNICATIONS 13 5 1 1 Packet Construction 13 5 1 2 Transmit message format 14 5 1 2 1 Transmit Acknowledgment 14 5 1 3 Transmit Message Status Byte Definitions 15 5 1 3 1 Transmit messa...

Page 4: ...LOSURE 33 7 COMPANY OVERVIEW 33 FIGURE 1 AVT 718 BLOCK DIAGRAM 11 FIGURE 2 DIAGRAM OF JP1 BOARD REVISIONS A TO F 25 FIGURE 3 DIAGRAM OF JP1 BOARD REVISION G 26 FIGURE 4 DIAGRAM OF JP2 28 TABLE 1 DEFAU...

Page 5: ...AVT 718 OEM module order number 718 003 consists of the AVT 718 Multiple Interface board with a set of mounting brackets attached All documentation is available from our web site at www AVT HQ com dow...

Page 6: ...ht 8 oz Operating temperature range 0 to 70 degrees C 12 volts nominal from subject vehicle Input voltage range 9 0 VDC to 30 0 VDC Power dissipation 3 0 watts nominal MTBF Mean Time Between Failure M...

Page 7: ...serial interface to the host computer can be configured for one of four baud rates 19 2 kbaud 38 4 kbaud 57 6 kbaud 115 2 kbaud The factory default setting for the AVT 718 is 19 2 kbaud Regardless of...

Page 8: ...To identify which configuration an AVT 718 is set for look on the AVT 718 PC board near the DE 9S connector Locate devices U37 and U40 If U37 is installed then the unit is set for RS 232 operations If...

Page 9: ...o the host computer is electrically isolated from the vehicle electrical and electronic systems This is done to prevent damage to the host computer due to spikes or surges from the vehicle electrical...

Page 10: ...nd or a Win95 98 NT 2000 XP program for the host computer to update the AVT 718 FLASH device 3 5 RAM 8 Kbytes 8 K x 8 of RAM are provided by an external RAM device 3 6 FIFO s Two high speed hardware F...

Page 11: ...troller SCC The K line transceiver and the L line transmitter are implemented using an Advanced Vehicle Technologies Inc proprietary design 3 12 UBP Ford s UART Based Protocol UBP is implemented using...

Page 12: ...Transient Protection Power Regulation Distribution Power LED green RAM CAN Controller Relay Data Routing Logic UPL UBP transceiver VPW Bus Batt Sig Gnd Chassis Gnd 11 13 15 17 1 PWM Bus PWM Bus UBP S...

Page 13: ...d fail to light check the power source from the subject vehicle and check fuse F3 on the AVT 718 board The red LED is a heartbeat indicator The microcontroller toggles the state of the red LED every 6...

Page 14: ...Packet Construction All communications between the AVT 718 and the host computer are accomplished in packets Packets from the host computer to the AVT 718 are known as Commands Packets from the AVT 7...

Page 15: ...some kind of transmission acknowledgment The type and meaning of this transmission acknowledgment is dependent on the mode of operation For VPW and KWP modes the transmit status byte definition is the...

Page 16: ...ded or preserved according to command 52 01 xx In VPW and CAN mode the CRC checksum byte is always discarded Some modes of operation enforce format checking rules to the received message even if it wa...

Page 17: ...ion and decoding of packets between the control computer and the AVT 718 Multiple Interface several examples are provided Example 1 Want to request the current operational mode Command D0 The AVT 718...

Page 18: ...but less than 255 bytes in length alternate format 1 is available using a header byte of 11 Alternate format 1 11 xx aa bb cc 11 header byte xx count of bytes to follow aa bb cc message bytes If the m...

Page 19: ...e Node One mode is where the AVT 718 is an active node As such it is capable of receiving and transmitting network messages Note that only messages destined for the AVT 718 will be received from the n...

Page 20: ...ed information on the commands supported by the AVT 718 while in KWP mode of operation The latest version of the Master Commands and Responses document can be obtained from our web site at http www av...

Page 21: ...718 and the host computer 5 6 UBP Mode Consult the latest version of the Master Commands and Responses document for detailed information on the commands supported by the AVT 718 while in UBP mode of...

Page 22: ...ue of one Ordering of the match table is not important All table entries are checked until a match is found or the end of the table is encountered If a match table entry specifies a byte position that...

Page 23: ...rom 0800 hrs to 1800 hrs Eastern Time If calling after hours please leave a message and we will return your call as quickly as possible We can be contacted E mail at support AVT HQ com Voice 1 410 798...

Page 24: ...that all odd numbered pins are in one row and all even numbered pins are in the other row A diagram of JP1 is shown in Figure 2 The default configuration for JP1 is the first 7 pin pairs are shunted T...

Page 25: ...arate from the power source to the AVT 718 unit 6 3 2 3 AVT 718 PC board revision level AA The routing and location of the SWC Single Wire CAN signal through JP1 to P3 was moved Jumper block JP1 is a...

Page 26: ...2 2 PWM bus 3 shunt 4 2 PWM bus 5 shunt 6 10 K line 7 shunt 8 7 L line 9 shunt 10 15 CAN H 11 shunt 12 6 CAN L 13 shunt 14 14 SWC 15 16 9 UBP LIN 17 18 3 P3 pin 1 19 20 8 P3 pin 11 21 22 12 Table 1 D...

Page 27: ...5 shunt 6 10 K line 7 shunt 8 7 L line 9 shunt 10 15 CAN H 11 shunt 12 6 CAN L 13 shunt 14 14 SWC 15 16 9 UBP LIN 17 18 3 P3 pin 1 19 20 8 P3 pin 11 21 22 12 Power to K line UBP LIN transceivers 23 sh...

Page 28: ...shunt 10 15 CAN H 11 shunt 12 6 CAN L 13 shunt 14 14 SWC 15 16 1 UBP LIN 17 18 3 P3 pin 9 19 20 8 P3 pin 11 21 22 12 Power to K line UBP LIN transceivers 23 shunt 24 protected V Batt Table 3 Default C...

Page 29: ...able 4 RS 232 Baud Rate Selection P2 JP2 9 10 1 2 2 1 Edge of board Figure 4 Diagram of JP2 6 3 4 Connector P1 Connector P1 exists on the AVT 718 board to support development test and debugging operat...

Page 30: ...than called out in the OBD II specification SAE J1979 As such the user should exercise extreme caution when connecting the AVT 718 directly to a vehicle Additionally only some of the 16 pins on the O...

Page 31: ...5 ground plane Ground Ground 6 JP1 pin 12 7 JP1 pin 8 K line 8 JP1 pin 20 9 JP1 pin 16 10 JP1 pin 6 J1850 bus 11 JP1 pin 21 12 JP1 pin 22 13 power input protection circuit V battery V battery 14 JP1...

Page 32: ...Table 6 Connector P3 revisions AA and later 6 3 7 Connector P4 Connector P4 on the AVT 718 is a DE 9S connector and will mate to any industry standard DE 9P connector Through this connection the contr...

Page 33: ...d input 8 RTS Ready To Send output 9 RI not used Table 7 P4 Pin Descriptions RS 232 Pin Number Name Function Description Direction 1 GND Isolated ground 2 CTS Clear To Send input 3 CTS Clear To Send i...

Page 34: ...00 Ethernet connection AVT 1850 1 J1850 VPW Development System AVT 715 Dual J1850 Interface RS 232 422 unit AVT 716 Multiple Interface supports J1850 VPW PWM ISO 9141 KWP2000 ALDL CCD RS 232 422 unit...

Page 35: ...voice 410 798 4308 fax Home Page www AVT HQ com e mail support AVT HQ com Revision Record A1 Original release A2 Corrected an error on page 15 regarding the A1 xx response for a UBP transmitted messa...

Page 36: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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