Control Microsystems 5901 Bedienungsanleitung Seite 238

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IEC61131 User and Reference Manual
April 22, 2008
230
Outputs
Type
Description
portIOLineStatus
Integer
Serial port I/O line status.
Bit 0 = state of CTS input
Bit 1 = state of DCD input
Notes
Extended addressing is supported only by the Modbus RTU and Modbus ASCII protocols.
Refer to the TeleBUS Protocols User Manual for further information on protocols.
For SCADAPack & Micro16 controllers:
Com3 is supported only when the SCADAPack Lower I/O module is installed. Com4 is
supported only when the SCADAPack Upper I/O module is installed.
To optimize performance, minimize the length of messages on com3 and com4. Examples of
recommended uses for com3 and com4 are for local operator terminals, and for
programming and diagnostics.
For SCADAPack 32 & SCADAPack 32P controllers:
Com3 is supported only when the SCADAPack Lower I/O module is installed. To optimize
performance, minimize the length of messages on com3. Examples of recommended uses
for com3 are for local operator terminals, and for programming and diagnostics.
See Also
protinfo, getcom
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