Rockwell-automation 2755 AtomScan Bar Code Reader Manuel d'utilisateur Page 50

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5–5Configuring Your Reader
Publication 2755-6.9
Communications Menu
The Communications menu allows you to set the communication
protocols between the reader and the host device.
Note: Changes in communications parameters or assigning an
address to the reader can cause loss of communications with the
configuration terminal when you exit the menu program (whether or
not changes are saved for power-on).
The Communications menu is shown below. Default settings are in
bold type face.
Protocol
Point-to-Point
Point-to-Point
w/RTS/CTS
Point-to-Point
w/XON/XOFF
Point-to-Point
w/RTS/CTS & XON/XOFF
Polling Mode D
Multidrop
Address = 1
User Definable
User Defined
RES – Req – STX – ACK
Address = ^A – EOT – ETX – NAK
User Defined Multidrop
RES – Req – STX – ACK
Address = ^A – EOT – ETX – NAK
Preamble
^M
User
Definable
(ASCII char.)
Preamble
Disabled
Enabled
Postamble
^M ^J
User Definable
(ASCII char.)
Postamble
Enabled
Disabled
Host Protocol
LRC
Disabled
Enabled
Response Timeout
12 ms
User Definable
(0 to 65,000)
Interchar Delay
0
User Definable (0 to 255)
Baud Rate
9600 600
19.2K 1200
38.4K 2400
76.8K 4800
300
Parity
Even
Odd
None
Stop Bits
One
Two
Data Bits
Seven
Eight
Communications
Host Port
Aux Port
Baud Rate
9600 600
19.2K 1200
38.4K 2400
76.8K 4800
300
Parity
Even
Odd
None
Stop Bits
One
Two
Data Bits
Seven
Eight
Mode
Disabled
Transparent
Half-duplex
Full-duplex
Slave Mode
The auxiliary port is available through the interface box (Catalog Nos. 2755-LS7-IB2 or -IB2).
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