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Technical Information

4.Downloading Programs

Running the newly created user application program on the BHT requires first downloading it to the BHT with a transfer utility.

The description of downloads proceeds in the following order.

For further details, refer to the product User's Manuals and the Transfer Utility Guides.

Setting up hardware environment

Connect the BHT to the development host with the dedicated interface cable. Alternatively, connect the CU with an appropriate RS-232C cable.

Setting up BHT

Configuring download environment
  1. 1. Holding down the SF and 1 keys and turning on the power displays the system menu.
  2. 2. Choose "SET SYSTEM" to display the system environment menu.
    Note that the menu and item numbers depend on the BHT model.
  3. 3. Choose "COMMUNICATION" to display the communications environment menu.
    Note that the menu and item numbers depend on the BHT model.
  4. 4. Specify the communications port to use, the transmission speed, protocol, and other parameters.
    Note that the menu and item numbers depend on the BHT model.

     
    Menu Item Description
    OPTICAL PARAMETER TRANSMIT SPEED Transmission speed Using the CU requires setting these to match the environment used and the transfer utility settings.
    PROTOCOL SERIAL No. Serial number
    H.PARITY Horizontal parity
    LINKUP TIME Linkup time
    FIELD SPACE Treatment (trim/retain) of trailing spaces during data file downloads
    CONNECTOR PARAMETER TRANSMIT SPEED Transmission speed Using a direct-connect interface cable requires setting these to match the environment used and the transfer utility settings.
    PARITY BIT Parity
    DATA BIT Data bits
    STOP BIT Stop bits
    PROTOCOL SERIAL No. Serial number
    H.PARITY Horizontal parity
    LINKUP TIME Linkup time
    FIELD SPACE Treatment (trim/retain) of trailing spaces during data file downloads
    COM PORT BASIC Communications port for downloading in user application programs Optical for CU; Connector for direct-connect interface
    SYSTEM MODE Communications port for downloading from system menu Optical for CU; Connector for direct-connect interface
    PROTOCOL TYPE Communications protocol Use the same setting as the transfer utility.
Downloading
  1. 1. Holding down the SF and 1 keys and turning on the power displays the system menu.
  2. 2. Choose "DOWNLOAD" to display the Download menu.
  3. 3. Choose "FILE."

    The following display indicates that the BHT is ready to receive downloads.

    The following display indicates a successful download.

 

Setting Up PC

Configuring download environment
  1. 1. Start the transfer utility.
  2. 2. Choose the Options|Select protocol menu command to display the Select Protocol screen.
    Note that the Ir-Transfer Utility and the Transfer Utility do not offer this menu command.
  3. 3. Select the communications protocol appropriate for the BHT model used. (See the table below.)
    BHT series Protocols available
    BHT-7000 series
    BHT-7500 series
    BHT-8000 series
    BHT-100 series
    BHT-Ir protocol
    BHT-300 series

    Ymodem protocol(Batch) (Preferred choice), BHT-Ir protocol

  4. 4. Choose the Options|Options menu command to display the corresponding Communications Options dialog.
  5. 5. Specify the communications port, transmission speed, and other parameters to match the intended usage environment.
    Communications Options screen for Ymodem protocol (Batch)

    Communications Options screen for BHT-Ir protocol
Downloading
  1. 1. Choose the File|Send menu command to display the Send File dialog box.
  2. 2. Select a user application program and press the Open button.


    The following display tracks download progress.


    The following display indicates a successful download.

 

Transfer Utilities Available

The following transfer utilities are available: the BHT-BASIC 4.0 Transfer Utility, Ir-Transfer Utility C (It3cw32.exe), and Transfer Utility (Tu3w32.exe). They differ in the communications protocols offered. (See the table below.)

Utility Protocols Available
BHT-BASIC 4.0 Transfer Utility Ymodem protocol
BHT-Ir protocol
Ir-Transfer Utility C BHT-Ir protocol
Transfer Utility BHT-protocol

 

Communications protocols Available

The following communications protocols are available. (See the table below.)

Protocol Protocol Description
BHT-Ir protocol
(First choice for BHT-7000, BHT-7500, BHT-8000, and BHT-100 series)
Denso's proprietary file transfer protocol
Ymodem protocol
(First choice for BHT-300 series)
Standard Ymodem protocol
This protocol offers faster throughput than BHT-Ir protocol.
BHT protocol Denso's proprietary file transfer protocol
This protocol is currently only offered to maintain compatibility with older models.

The FTP protocol is also available for downloading via a CU supporting Ethernet or to BHT models supporting wireless LAN.

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