User manual

Controls (Overview) • 69
Dialog Boxes
WAGO-I/O-SYSTEM 759
WAGO-I/O-CHECK 2
Select box Available settings
OFF* The module does not support the
XON/XOFF-protocol when sending data.
XON / XOFF
(send)
ON The module supports the XON/XOFF-
protocol when sending data.
The module sends the data delivered by
the PLC until the XOFF (DC3==0x13)
character is received from the communi-
cation partner.
The transmission is halted until the XON
(DC1==0x11) character is received.
OFF* The module does not support the
XON/XOFF-protocol when receiving
data.
XON / XOFF
(receive)
ON The module supports the XON/XOFF-
protocol when receiving data.
The module sends the XOFF control
character if the receive buffer containes
more than 110 characters. XON is sent
once XOFF has been sent and the buffer
containes less than 18 bytes.
RS 485* 2-wire multipoint connections Module Type
RS 422 4-wire point to point connections
OFF* Continous data transmission from FIFO is
not active.
Continous Send
ON Continous data transmission from FIFO is
active.
The send buffer is filled by the PLC (up
to 16 bytes). The buffer content is sent
with the rising edge in bit 3 of the control
byte. Acknowledgement of the
transmitted data is done by setting the bit
2 of the status byte.
Bit 2 of the status byte is reset with bit 3
of the control byte.
* default setting
Press the CLOSE button to quit the parameter dialog box without storing
parameters in the EEPROM of the module.
Press the APPLY button to store the changed parameters in the EEPROM of
the module. The dialog box will not be closed.
Press the DEFAULT button to show the default settings for this module. The
settings are stored in the EEPROM of the module using the A
PPLY button.
Press the S
AVE button to save the actual settings into a file. A dialog box will
be opened to enter a filename and path.