User Guide - Eurotherm Ltda

nanodac RECORDER/CONTROLLER: USER GUIDE8 USB DEVICESThe devices listed below can be plugged into the USB connector at the back of the instrument, providingthat the maximum current required is less than 100 mA.1. Memory Stick2 Bar code reader3. KeyboardNotes:1. See ‘USB device precautions’ in the Safety Notes preamble section of the manual.2. See Section A2 for the USB port specification3. The use of USB hubs is not supported by this instrument.8.1 MEMORY STICKThe use of the memory stick as an archiving device, or to facilitate software upgrades is well documented inthe relevant sections of this manual.8.2 BAR CODE READERIf ‘USB Auto Scan is set to ‘Yes’ in Display Configuration (section 4.1.3) then, with the bar code readerplugged into the USB port, the scanned data input stream is packaged into a general message displayed onthe trend page and included in the .uhh history file. The format of the message is: DD/MM/YY HH:MM:SS123--13 (where 123--13 represents the ASCII data read from the bar code.If ‘USB auto Scan’ is set to ‘No, the ASCII data read from the bar code is displayed as a message ready forediting prior to being sent to the display etc. Figure 8.2 shows an example.Note: the bar code reader must be configured to use a carriage return (decimal 13) terminatingcharacter.USB ASCII InputEdit the message, if required, thenuse the page, arrow and scroll pushbuttonsto confirm the message.Accept changes?CancelNoYesFigure 8.2 Bar Code reader display8.3 USB KEYBOARDA QWERTY keyboard may be plugged into the rear USB port to act in parallel with the virtual keyboard. Theediting keys listed below are supported in addition to the standard alpha-numeric characters.Left arrow Moves the cursor left-wards through the text string (stops at the start of the string).Right arrow Moves the cursor right-wards through the text string (stops at the end of the string).Backspace Deletes the character immediately to the left of the cursor.Delete Removes the character immediately to the right of the cursor.End Moves the cursor to the end of the stringHome Moves the cursor to the start of the stringInsert Highlights the entire string, for overwritingEsc Exit without saving changes.Page 292HA030554Issue 7 Nov 12