B&B Electronics Understanding Master Reset Command for HDV100A3 Network Card
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Master Reset Command

The master reset command allows the HDV100A3 to be reset from the PC. Sending this command resets the HDV100A3 to the default start-up state. You will lose all setting sent in the smart mode.

Byte

Byte

Function

Number

Value

 

1

01

Start of frame

2

04

Number of control bytes

3

08

ID byte 08 = internal command

4

08

Function code 08= master reset

5

01

Check byte

6

02

Check byte

7

00

Number data bytes

8

18

Checksum

Note: after sending a master reset the baud rate is 115,2k (default).

Vendor Information

To receive the vendor information from the HDV100A3 send hex (01, 01, 05, 00, 07) to the device. It will respond as follows:

Hex (01, 0B, 85, MM, DD, MA, M1, M2, MO, 00, VV, VV, 00, DB, CS)

0B = Number of control bytes

85 = Compatibility with other models

MM= Month firmware was created DD = Day firmware was created

MA = Major firmware revision number M1 = MSB of minor firmware revision M2 = LSB of firmware revision

MO = Model

VV = Customer code 1 VV = Customer code 2 DB = Number of data bytes CS = Checksum

HDV100A3 Command & Response Manual-1306cr

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B&B Electronics -- 707 Dayton Rd. -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5104

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Contents HDV100A3 Command Response Protocol Page Table of Contents Do Not Transmit Any Messages to the network Introduction Intelligent Mode VerificationControl Field Structure Intelligent Mode Command ProtocolIntelligent Mode Message Structure SOFFormatting the Control Bytes Detailed Description of General Function Codes Command AcknowledgementRS-232 Baud Rate Setup HDV100A3 Command & Response Manual-1306cr Setting Baud 1, Baud Baud Rate Setup Table Baud Rate Example Byte Byte Function Number Value HexUB3 Reply from HDV100A3 Byte Function Number ValueFunction code 20 = stop time stamping Vendor Information Master Reset CommandJ1708 Commands Receiving Data from the J1708 BusByte Byte Value Byte Function Number Hex Function code 10 hex stop receive Priority Byte Value Binary Value Hex Value Transmitting Data to the J1708 BusID bytes 9 = transmit OK J1708 Message Filter Set Filter Active Byte Function Number ValueSet Filter Off Byte Function Number Value Data Broadcast MessageByte 6 Priority Values Byte 4 ValuesJ1939 Commands Stop Receive on J1939 Bus Start Receive on J1939 BusArbitration Field Y1, Y2, Y3, Y4 Message received from the HDV will be formatted as follows Set Mask Transmit Data to J1939 BusMSB-1 MSB-2Set Filter 1 to HDV100A3 Command & Response Manual-1306cr J1939 Header Worksheet DEC HEX Error Codes
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