How do I connect my Vista and Computer using an RS-232 Ethernet Adapter? Follow
Materials Needed: Vista Firmware needed: 01.0014 and above
Ethernet to RS-232 Connector
RS-232 to USB (optional)
- Configure Ethernet to RS-232. Set up Ethernet to theRS-232 adaptor with static IP address and Port Number. In this example, the adapter was configured with IP address of 192.168.0.100 and port 10001.
Connect Vista to Computer
- Plug Ethernet cable into RJ-45 Ethernet connection at rear of Vista. Plug other end of cable into Crossover Adapter.
- Plug Crossover Adapter into Ethernet port of Ethernet to RS-232 adapter.
- Plug Ethernet to RS-232 adapter into serial port of computer (if D-9 serial port is present) or into RS-232 to USB converter for connection to USB port. Plug power into Ethernet to RS-232 adapter.
Configure the Vista: (Requires Essentials Rev 14 or higher)
- Configure the ethernet port of Vista. Select Jobs > Preferences and Select Configure Network Settings. Uncheck Use DHCP for Ethernet Config and enter a valid IP address for the Ethernet port. In this example, the following parameters are selected.
- Press Apply on the Ethernet Configuration and then Apply on the Preferences Page to complete.
- Go to Jobs > Preferences, check Automatic Network Data Export and click to configure. For a direct connection between Vista and data collection computer, set up the Vista as a Client. Set the IP Address to match the settings of the Ethernet to RS-232 converter, in this case 192.168.0.100 and the Port as 11111. Press Apply and then press Apply on the Read Options screen to continue.
Configure the Computer:
- Connection configurations differ depending on data collection software. In this example, Hyperterminal is used to demonstrate connectivity.
- The data collection computer will be set up as a Server.
- Connect as follows:
- Select the Com port that represents the USB or Serial port connection.
- Define the Connection:
- Bits per second: 9600
- Data Bits: 8
- Parity: None
- Stop Bits: 1
- Flow Control: None
To Export Data from the Vista:
- Configure the Color Data Table with the color scale and parameters to be transmitted.
- Standardize the Instrument
- Select Color Scales, Indices & Illuminant/Obs (Workspace > Color Scales)
- Hit Read Button and data will be transferred to the computer.
2. The data string is shown as follows:
<STX><PACKET SIZE>$T<SCALE-LABEL>$T<ill/Obs>$T<LABEL NAME1><$T><VALUE1>$T<LABEL NAME2><$T><VALUE2><$T><LABEL NAME3>$T<VALUE3>$T ..... <LABEL NAME N><$T>
<STX> is the Start of Text (value =0x02)
<ETX> is the End of Text (value =0x03)
$T is the default delimiter.
<SCALE-LABEL> is the Scale Label (e.g. CIELAB)
<ill/Obs> is the ill/Obs name (e.g. D65/10)
<PACKET SIZE> is the Total size (HEX String) of the Packet excluding the <STX> and <ETX>
<LABEL NAME> is the label name (e.g. L*, a*, b*, dE* etc..)
<VALUE> is the value for the preceding Label Name
<CHKSUM> is the Checksum (HEX String) - the sum of all the ASCII values in the total packet play load starting from <PACKET-SIZE> and till <CHKSUM>
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