Festo CPX - Page 166

B. Parameters and data of the CPX terminal
B−12
Festo P.BE−CPX−SYS−EN en 0902e
System parameter: System Idle mode
Function no. 4402
Description Establishes which signal status outputs/valves are to assume when the CPX
terminal switches into the Idle state.
In the following case, the channel−orientated Idle mode settings (module para
meters Idle mode and Idle state) are reset automatically for safety reasons in
order to avoid undesired signal states.
 When changing from Idle fault mode"
to Reset all outputs" or to Hold last
state".
Bit Bits 4, 5
Values
Bit 54
00
System Idle mode
Description
Reset all outputs (presetting)
[Idle mode]
[Reset outputs]
01 Hold last state (retain signal status) [Hold last state]
10 Assume Idle mode Assume idle mode]
Note Only relevant for certain fieldbus protocols Explanations on this can be found in
the manual for the relevant CPX bus node.
Tab.B/7: Idle mode