GE Industrial Solutions Entellisys 5.0 User Manual - Manual (Page 207)

FlexLogic timers 197
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11.6 FlexLogic timers
To view FlexLogic timers
1. On the Main Menu, click User Settings.
2. Click Control, and then select Timers.
There are 160 identical FlexLogic timers available. These timers can be used as operators for
FlexLogic equations.
•
TIMER 1 TYPE: This setting is used to select the time measuring unit.
•
TIMER 1 PICKUP DELAY: Sets the time delay to pickup. If a pickup delay is not required, set
this function to “0”.
•
TIMER 1 DROPOUT DELAY: Sets the time delay to dropout. If a dropout delay is not required,
set this function to “0”.
11.7 FlexLogic virtual inputs
To view FlexLogic virtual inputs
1. On the Main Menu, click User Settings.
2. Click Control, and then click Virtual Inputs.
There are 32 virtual inputs that can be individually programmed to respond to input signals from
the HMI. A custom name (up to 40 characters) can be assigned to each virtual input. All virtual
input operands are defaulted to OFF = 0 unless the appropriate input signal is received. Virtual
input states are preserved through a control power loss. Any change of state of a virtual input
can be logged as an event if programmed to do so.
If the “VIRTUAL INPUT x FUNCTION” is set to “Disabled”, the input is forced to “OFF” (Logic 0)
regardless of any attempt to alter the input. If the “VIRTUAL INPUT x FUNCTION” is set to
“Enabled”, the output of the virtual input is based on received input signal and the applied
setting.
There are two types of operations: Self-Reset and Latched. If “VIRTUAL INPUT x TYPE” is set to
“Self-Reset”, when the input signal transits from OFF = 0 to ON = 1, the output operand is set to
ON = 1 for only one evaluation of the FlexLogic equations and then returns to OFF = 0. If set to
“Latched”, the virtual input sets the state of the output operand to the same state as the most
recent received input, ON =1 or OFF = 0.
NOTE: The “Self-Reset” operating mode generates the output operand for a single evaluation
of the FlexLogic equations. If the operand is to be used anywhere other than internally in a
FlexLogic equation, it will likely have to be lengthened in time. A FlexLogic timer with a delayed
reset can perform this function.