Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual - Manual (Page 320)

Publication 1760-UM002B-EN-P - March 2005
6-14 Pico-Link and Point-to-Point Serial Connections
IMPORTANT
If a station does not send a “sign of life” signal
(station not available, Pico-Link interrupted), the
respective diagnostics contact ID is activated.
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.
IMPORTANT
The data to be read from a faulty station is set to 0
after the fault is detected.