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Last Updated on: February/4/2023
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Au SAE J1708/J1587 Data Center System (DCS)

Au J1708 DCS

SAE J1708 /J1587 Data Center System (DCS) is a family of products which can translate J1708/J1587 and J1708/J1922 sentences into human readable ASCII string. The ASCII string are output on the RS232 port. The ASCII string can be organized in individual PID format, and / or full-sentence format. Four different editions are available. Time Stamp feature, Listen only feature and Freedom Transmit feature are available on all editions. "Receive/Transmit In-completed sentence" feature, "Idle Bubble feature", "up to 4x Filter " Feature and "Message Length Exceptions" feature are available on premium editions.

The pin-out of the DB9 male "BUS" Interface is illustrated here:

Au J1708 DCS BUS Side DB9 male connector pin out

Pin-out of the DB9 female "RS232" Interface is illustrated here:

Au J1708 DCS RS232 Side DB9 female connector pin out

Au J1708 DCS can be connected to PC through one of the three ways (figure 1-4):

  • through a RS232 serial extension cable (CBL-RS232-01).
  • through a USB to RS232 converter cable (CBL-USB-232).
  • With an optional build-in Bluetooth module, Au J1939 DCS device can be wireless connected to PC through Bluetooth module and PC Bluetooth dongle(order separately).

3 ways to connect Au J1708 DCS to PC

A typical SAE J1708/J1587 network topology with Au J1708 DCS is illustrated here:

A typical SAE J1939 -15 network topology with Au J1939 Interpreter

Four editions of Au J1708 DCS are now available to meet different customer needs.

Four editions of Au SAE J1708/J1587 Data Center System
Note: All orders of DCSJ1708-001 and DCSJ1708-002 will be upgraded to DCSJ1708-003
J1708/J1587 Data Center Value Package edition, output with Individual PID
Part#: DCSJ1708-001        Price: $99.99 (USD)
J1708 Data Center Value Package edition output with PID sentence
Part#: DCSJ1708-002        Price: $99.99 (USD)
J1708 Data Center Basic Edition output with both individual PID and PID sentence
Part#: DCSJ1708-003        Price: $99.99 (USD)
J1708 Data Center Premium edition output with both individual PID and PID sentence, includes idle bubble
Part#: DCSJ1708-004        Price: $1999.99 (USD)
1 year support and minor upgrades for Au J1708 Data Center System
Service#: SVS-DCS-J1708        Price: $200.00 (USD)
Optional Accessories for Au J1708 Data Center System
6-wire CAN Cable (pigtail)
6-wire CAN/J1708 Cable for DB9 Male Connector
Part #: CBL-CAN-485-01      Price: $13.99 USD
USB to RS232 Converter Cable

USB to RS232 converter cable
Part #: CBL-USB-232        Price: $15.99 USD

RS232 Serial Extension Cable
RS232 serial extension cable
Part #: CBL-RS232-01        Price: $8.99 USD
CBL-CAN-485-03G
CAN /J1939/J1708 cable with a DB9 female connector and a green 9-way round threaded plug
Part #: CBL-CAN-485-03G        Price: $40.00 USD
CBL-CAN-3HP
SAE J1708 / J1587 Diagnostic Cable with Deutsch HD10 6-way plug and DB9 9-pin female connector
Part #: CBL-J1708-01        Price: $48.00 USD
Au J1708/CAN cable with a DB9 female connector and double SAE J-Bus connectors.
Au J1708/CAN cable with a DB9 female connector and double SAE J-Bus connectors.
Part #:CBL-CAN-485-03GD       Price: $85 USD
Au J1708 Data Center License Upgrades

License upgrading procedure for the 4 editions of SAE J1708/J1587 Data Center is summarized here:

Au DCSJ1708 License update flow chart

Upgrade Au J1708 DCS from Value Package edition to Basic Edition
Item #: LIC-DCS8-001      Price: $20.00 (USD)
Upgrade Au J1708 DCS from Basic Edition to Premium edition
Item #: LIC-DCS8-002        Price: $1000.00 (USD)

Major Hardware Features

  • Power supply: Operating range: +10V~+32V DC, Nominal voltage: +12V DC or +24V DC;
  • Operating Electric Current: 65mA typical, 250mA max;
  • Operating temperature: -40 �F to 185 �F (-40 �C to 85 �C)
  • TVS (Transient Voltage Suppressor) protection on J1708/J1587 bus
  • Enclosure size: 3" L X 1-5/8"W X 3/4�H
  • Enclosure color: Black or PC white
  • LED indicators (Comm LED for Communication event indication
  • In-field device's own J1939 Source Address changing capability
  • Support multiple SAE J1939 defined Source Address (for Engine, Transmission and ABS) and can be configured in field.
  • Ease of use: No software setup experience or CAN protocol configuration skill required.
  • In-field license upgrade capability with Au License Management Tool. The Value Package edition, Basic edition can be easily upgraded to Premium edition.
  • In-field firmware updating capability with Au Bootloader technology.
  • Annual support and firmware upgrade services are available (SVS-DCS-1708).
  • 1 DB9 Male "BUS" Interface: It is used for connection with J1708/J1587 network and a DC power supply. Au Group Electronics prodide a few cables (Part#: CBL-RS485-01, CBL-CAN-485-01, CBL-CAN-485-03) to work with Au J1708 DCS. Note: Those cables are optional items for Au J1708 DCS at different applications, and are sold separately.
  • 1 RS232 Interface: (default baud rate: 115.2K bps) It is the interface used to communicate with PC for J1708 data input and output, it can also be used for in-field firmware update, license management, etc.

Au J1708 DCS Command

Au J1708 DCS can be configured to break down received data from J1708 network into 3 format:

  • Receive Complete J1708 sentence (RXD)
  • Receive Incomplete J1708 Sentence (RIS)
  • Receive Individual PID (RIP)

Au J1708 DCS can also be configured to transmit data to J1708 network in 4 format:

  • Transmit Freedom format data (TFR)
  • Transmit complete J1708 Sentence (TXD)
  • Transmit Incomplete J1708 Sentence(TIS)
  • Transmit Individual PID (TIP)
Symbol
Name
Description of function
Example
:
Colon
Transmit Individual PID (TIP )
AT :>80 F7 04 2F 7F 89 00*8F
Receive Individual PID (RIP)
:>80 B7 02 FF FF*83
#
Number / Pound sign
Transmit complete J1708 Sentence (TXD)
AT #13>80 B7 C0 00 B8 3D 0A 55 00 5C 0A BE 40 06 54 0A 5B 0A 88*85
Receive Complete J1708 sentence (RXD)
#07>80 5C FF BE FF FF 69*D4
?
Question mark
Transmit Incomplete J1708 Sentence(TIS)
AT ?0A>80 5C 0A BE 40 06 54 0A 5B FF*49
Receive Incomplete J1708 Sentence (RIS)
?0A>80 5C 0A BE 40 06 54 0A 5B FF*49
T
Letter T
Time Stamp
T00000271
AT
AT command
Letter AT followed by space
AT J1708BUS=ON

Au J1708 DCS output with Individual PID (DCSJ1708-001):

DCSJ1708-001 will receive completed sentence from J1708/J1587, J1708/J1922 network, translate them to ASCII string and output ASCII string in an Individual PID format on RS232 side:

Output Format:
:>MID PID n a*checksum\r\n

Note:
< CR > < LF > doesn't display on many web browser, we use "\r\n" represent the "carriage return and line feed".
:> indicates the start of a Individual PID sentence
MID Message Identification
PID Parameter Identification
n data length, Number of parameter data characters
a data
*checksum checksum, the checksum calculation starts from : ends on * with both characters included, all space characters " " in-between are also included.
\r\n carriage return and line feed, indicates the end of an individual PID sentence.

Output Example:
:>80 5C 01 FF*31\r\n
:>80 BE 02 FF FF*75\r\n
:>80 54 01 FF*40\r\n
:>80 5B 01 FF*32\r\n
:>80 F4 04 80 96 98 00*B0\r\n

Au J1708 DCS output with PID sentence(DCSJ1708-02):

DCSJ1708-002 will receive completed sentence from J1708/J1587, J1708/J1922 network, and output ASCII string in a sentence on RS232 side. Each sentence will include one MID, one or more PIDs.

Output Format:
#n>MID PID1 a1... PID2 a2 ... PID3 n3 a3 b3..Checksum*Sentence check sum\r\n

Note:
# indicates the start of a complete J1708 Sentence.
n overall data length between > and * .
MID Message Identification
PID Parameter Identification
nx data length for each PID.
a data
checksum the checksum calculation starts from > ends on the the checksum.
*sentence check sum the checksum calculation starts from # ends on * with both characters included, all space characters " " in-between are also included.
\r\n carriage return and line feed, indicates the end of an individual PID sentence.

Output Example:
#04>82 C2 00 BC*ED
#0F>88 31 00 2C C0 75 ED 76 EC A8 48 A7 54 EE BE*62
#11>80 B7 A5 AB B8 13 EE 5C ED BE 25 D2 54 ED 5B ED 39*0E
#14>82 2C C0 B1 C6 2A 2F FC 78 ED A2 33 30 A3 33 30 BF 29 D2 9C*A8

Au J1708 DCS output with both individual PID and PID sentence (DCSJ1708-003):

DCSJ1708-003 will receive completed sentence from J1708/J1587, J1708/J1922 network, and the output ASCII string can be set in either individual PID or in a PID sentence or both on RS232 side.

Output Format:
:>MID PID n a*checksum\r\n
#n>MID PID1 a1... PID2 a2 ... PID3 n3 a3 b3..Checksum*Sentence check sum\r\n

Output Example:
#0A>80 B7 FF FF 5C FF BE FF FF B4*D2
:>80 B7 02 FF FF*83
:>80 5C 01 FF*31
:>80 BE 02 FF FF*75
#07>80 5C FF BE FF FF 69*D4

Au J1708 DCS output with both individual PID and PID sentence includes idle bubble (DCSJ1708-004):

DCSJ1708-004 will receive completed and incomplete sentence from J1708/J1587, J1708/J1922 network, and the output ASCII string can be set in either individual PID or in a PID sentence or both on RS232 side.

DCSJ1708-004 can generate 1 time idle bubble for testing purpose, "Idle Bubble Time" can be set from 1 ms to 10 seconds

DCSJ1708-004 is able to transmit incomplete sentence for test purpose only.

Output Format:
?n MID PID data1 ... datan PID Data1 ... Datan *checksum\r\n

? Transmit incomplete sentence, for test purpose only.
n data length, Number of parameter data characters
MID Message Identification
PID Parameter Identification
*check sum the checksum calculation starts from ? ends on * with both characters included, all space characters " " in-between are also included.
\r\n carriage return and line feed, indicates the end of an individual PID sentence.

Output Example:
?80 5C 0A BE 40 06 54 0A 5B FF*49