B&B Electronics RS-232 to J1939 Converter CE 1939STB User Manual

Page 27

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1939STB4600 Manual

25

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104

B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91 792444 – Fax +353 91 792445

Bytes 9 and 10
(Shown in Table 31)

Bits 7, 6, 5, 4 and 3 complete the PDU.

Bits 2, 1, and 0 of byte 9 and bits 7, 6, 5,and 4 of byte 10 are the Source
Address for the converter. Each Source Address MUST be unique. SAE
J1939-81 describes address management and allocation in detail and should
be consulted before connecting to a J1939 bus. Addresses 249 and 250 are
designated for offboard diagnostic service tools. WARNING: These
addresses are SUGGESTED. The procedure described in SAE J1939-81
should be followed when connecting to any unknown bus.

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