User manual

IEC61131 User and Reference Manual
April 22, 2008
271
getcom
Get serial port settings
Description
The getcom function block returns the configuration settings for a serial port.
comX
getcom
baud
type
fullDuplex
dataBits
parity
stopBits
txFlowControl
rxFlowControl
timeOut
Arguments
Inputs
Type
Description
comX
Integer
Communication port to get serial port settings, 1 to 4.
Outputs
Type
Description
type
Integer
Port type
0 = automatic
1 = RS232
3 = RS485
6 = RS232 MODEM
7 = RS232 Collision Avoidance
baud
Integer
Baud rate
0 = 75 baud 1 = 110 baud
2 = 150 baud 3 = 300 baud
4 = 600 baud 5 = 1200 baud
6 = 2400 baud 7 = 4800 baud
8 = 9600 baud 9 = 19200 baud
10 =38400 baud
11 = 115200 baud
12 = 57600 baud
fullDuplex
Boolean
Full-duplex operation when TRUE.
Half-duplex operation when FALSE.
parity
Integer
Parity type
0 = none
1 = even
2 = odd