User manual

IEC61131 User and Reference Manual
April 22, 2008
338
Inputs
Type
Description
may be set to TRUE or FALSE when the protocol type is
Modbus ASCII.
For com3 or com4 this parameter is set to TRUE when
the protocol type is Modbus RTU. This parameter is set
to FALSE when the protocol type is Modbus ASCII.
For SCADAPack 32 controllers:
For all com ports this parameter is set to TRUE when the
protocol type is Modbus RTU. This parameter is set to
FALSE when the protocol type is Modbus ASCII.
txFlowControl
Boolean
Enable transmitter flow control when TRUE.
Disable transmitter flow control when FALSE.
For SCADAPack cont rollers:
For com1 and com2 this parameter is set to FALSE
when the protocol type is Modbus RTU. This parameter
may be set to TRUE or FALSE when the protocol type is
Modbus ASCII.
For com3 this parameter may be set to TRUE or FALSE.
For SCADAPack 32 cont rollers:
For all com ports this parameter may be set to TRUE or
FALSE.
Default = FALSE
Timeout
Integer
Serial time-out delay in tenths of seconds. Valid values
are 0 to 65535.
Default = 600 (60.0 seconds)
Outputs
Type
Description
Q
Boolean
TRUE if set input is TRUE.
FALSE in all other cases.
See Also
getcom, cominfo