Free ascii mode – Toshiba SX 2000 User Manual
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1.2 S2T CPU Module
Free ASCII mode
The free ASCII mode is used to connect between the S2T and various serial ASCII
devices, such as a micro computer, bar code reader, printer, display, etc.
By using this mode, the S2T can work as a communication master. Therefore, the
S2T can communicate with other PLCs using the computer link protocol, and can
control variable speed drives (such as Toshiba’s VF-S7) using its communication
protocol
S2T
Max. 32 devices
In this mode, user defined ASCII messages can be transmitted and/or received
through the link port of the S2T.
The ASCII message (one set of transmission characters) means a string of ASCII
characters which is ended by specified trailing code. The default setting of the trailing
code is CR (carriage return code = HOD)
Applicable message format (default trailing code):
1
2
3
4
N-1
N
CR
N: message length = 512 bytes max.
In other words, the S2T cannot be used for the data communication in which the
transmission message is ended by two or more types of trailing code.
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