Protege System Controller Reference Manual

Average
The average function takes the average of up to eight input registers and writes this to an output register.
To program the Average function ensure that the function you have selected is halted. Select the function type
selection screen as shown below for the Average function.
FN001 Fnc Type
Average
Use the [1] and [3] keys to scroll the function types until you reach the desired function and press [ENTER] to
select this and proceed to the next programmable option. For more information about the list control data entry
refer to the section List Control Data Entry (see page 344).
Function Mode
The function mode determines how this function operates with the system controller. By default a function is set
to normal operation. Normal operation will mean the function is started if it was running when the system
restarts or is completely powered down (AC Failure and Battery Failure). The Run Once mode of operation will
allow the function to run once and then wait to be stopped and started by the user or operator.
FN001 Fnc Mode
Normal
Use the [1] and [3] keys to scroll the function mode until you reach the normal selection and press [ENTER] to
proceed to the next programmable option for the Average function. For more information about the list control
data entry refer to the section List Control Data Entry (see page 344).
Input Registers
Select up to eight Input registers. If a valid register number is entered it will be used as part of the Average
calculation. If an invalid register number is selected (eg. 65535) then it will not be used as part of the calculation.
FN001 Input #1
reg: 00001
...
FN001 Input #8
reg: 65535
To modify the Input registers (00000 to 65535), use the keypad as explained in section Entering Decimal
Numbers (see page 341) and press [ENTER].
Output Register
Select a register to which the output will be written.
FN001 Output
reg: 65535
To modify the Output register (00000 to 65535), use the keypad as explained in section Entering Decimal
Numbers (see page 341) and press [ENTER].
Update Time
Select an Update time. This is the number of seconds between the update of the output register.
FN001 Update
time: 00005 secs
To modify the Update time (00001 to 65535 seconds), use the keypad as explained in section Entering Decimal
Numbers (see page 341) and press [ENTER].
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