KEYENCE BL-N70 Series - Manual (Page 27)

3-7
3
Scannin
g Barcod
es
3-4 Interface Settings for RS-232C or Keyboard/USB
Keyboard/USB settings (BL-N70VE/UBE)
z Localized settings
The keyboard specifications can be selected ( page 4-22).
BL-N70VE/UBE are compatible with the following languages for the keyboard.
• JAPANESE : Japanese specifications
• USA : American specifications
RS-232C settings (BL-N70RE/RKE)
The RS-232C communication protocol can be set to no protocol, RTS/CTS, or ACK/NAK
( page 4-23).
z No protocol
There is no procedure used for communication. Once the barcode is read, the data is
sent in sequence.
z RTS/CTS
The CTS signal for RS-232C (RTS on the host side) can wait to send data by using the
following methods.
• CTS signal off (Low) : Waits to send data.
• CTS signal on (High): Sends data.
Barcodes cannot be read while waiting to send data.
Reference
RTS signal for RS-232C
• The RTS signal is normally set to "Always on (High)".
• The setting can be changed to "On only when sending data".