Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual - Manual (Page 327)

Publication 1760-UM002B-EN-P - March 2005
Pico-Link and Point-to-Point Serial Connections 6-21
The time required to detect that the Serial Interface is not working properly
depends on the baud rate selected and the event concerned.
Status of diagnostics contact ID09 Status of the connection
“0” Serial Interface connection operating
correctly or
no Serial Interface connection selected.
“1” Serial Interface connection not functioning,
faulty
Baud rate Time required for detection of faulty Serial Interface connection.
CRC error (data content
incorrect) No response, no hardware
connection, remote station not
in operation
9600 Baud 250 ms 1.5 s
19200 Baud 120 ms 0.8 s
ATTENTION
If the states of the inputs, outputs or data are
required by a station without fail, the respective
diagnostics contact should be evaluated and the
information applied in accordance with its respective
application.
If the respective diagnostics contacts are not
evaluated, it may cause faults in your application.