B&B Electronics 1939STB manual Stop Bit Setup, Word Length

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RS-232 Baud Rate Change cont’d.

Bit 2 stop bit works in conjunction with bits 1 and bit 0.

Table 16. Stop Bit Setup

Bit 2

Word length (bits)

Stop bit length

0

5, 6, 7, 8

1*

1

5

1

6, 7, 8

2

* Setup default value.

Bits 1 and 0 set the word length.

Table 17. Word Length

Bit 1

 

Bit 2

Word length

0

 

0

5

0

 

1

6

1

 

0

7

1

 

1

8*

 

* Setup

default value.

 

12

1939STB4600 Manual

 

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

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Contents RS-232 to J1939 Converter CE Model 1939STBTable of Contents Introduction SAE Publications1939STB4600 Manual Description Electrical Specification Physical DescriptionCommunication directed to the device Format Control Byte Byte 3 NibbleByte Vendor String Vendor String SetupInternal Functions Message Received from the SAE-J1939 BusBaud Rate Setup RS-232 Baud ChangeRS-232 Baud Rate Change cont’d Parity Setup Byte 5 UB3Stop Bit Setup Word LengthExternal Commands J1939 FormatMessage Header Setup Valid Codes for ByteMessage Information J1939 Message Information Two Bit Values for Byte 5Byte IntpndTransmit XTD Bit2 DLC DIRSAE-J1939 Control Header J1939 Message Frame1939STB4600 Manual Byte Shown in Table1939STB4600 Manual Byte 1939STB4600 Manual Bytes 9 1939STB4600 Manual DLC Data Length Code DIR Message DirectionData Field ID Byte Reception of DataSAE-J1939 Bus Function Internal Messages Installation Software1939STB4600 Manual Message Transmission sending data to the 1939STB Saving Message Information File LoggingAppendix A. The Extended can / SAE-J1939 Message Frame Arbitration Field Appendix B. Example