Receive #FB

Symbol:

Description:

This function block reads the characters, received at the configured port.It supports a maximum of 25 interfaces (see table).Are SOT and EOT sequences connected these are filtered out and thus NOT output at "Data". At the output "NumData" the received characters are output. If an EOT sequence connected, the number of characters received will only be issued when the EOT sequence was received.The received data are written to the output "Data"according to a HIGH signal at input "bRead".This will reset at the same time the number of characters received. The output "State" shows the current state.

Parameterization

none

Signals:

Name

I/O

Type(s)

Function

Port

I

UCHAR

Port (see table)

SOT

I

UCHAR

Start Of Transmission sequence

EOT

I

UCHAR

End Of Transmission sequence

bRead

I

BIT

Force read

State

O

UCHAR

State

Data

O

DYNTEXT

Data stream (ASCII)

NumData

O

WORD

Number of received data bytes