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Configuring terminal communications – Rockwell Automation 2755 AdaptaScan Software User Manual

Page 117

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8–8

Publication 2755-838

The Terminal dialog configures parameters of the Terminal protocol.
Open this dialog by selecting Terminal protocol on the Serial Port
dialog and then selecting the Edit button.

Flow Control

Specifies the type of handshaking between the Reader and the host
device.

Select

For

XON/XOFF

Software flow control.

CTS/RTS

Hardware flow control in which the sending device transmits a
Request to Send and the receiving device replies with a Clear
to Send before transmitting the data.

None

No flow control.

Header

Specifies a 1 to 32 ASCII character string to precede each message.
Only messages with the specified header are accepted and sent. The
default is no header. See Appendix A for an ASCII table and
instructions on how to enter non–printable characters.

Trailer

Specifies a 1 to 32 ASCII character string that is appended to each
message. Only messages with the specified trailer are accepted and
sent. The default is no trailer.

Note: You must either provide a trailer or specify a Maximum
Length (see page 8–6). The trailer or message length are used to
indicate the end of a message.

See Appendix A for an ASCII table and instructions on how to enter
non–printable characters.

Configuring
Terminal Communications