Valley Hold (Val); Overview To Hold Functions - RayTek MARATHON FA Operating Instructions Manual

To set and activate Averaging, do the following:
1. Press the Mode button until the AVG LED is lit.
2. Press the button to both set and activate. The display reads in 0.1 seconds. Set Average
anywhere from 0.1 to 300.0 seconds. If Average is set to 0.0 seconds, the function is
deactivated.
3. Press the Mode button until the C or F LED is lit. If Average has been activated, the AVG LED
will stay lit.
Once Averaging is set above 0, it automatically activates. Note that other hold functions (like Peak
Hold or Valley Hold) cannot be used concurrently.
6.2.7 Valley Hold (VAL)
With Valley Hold, the respective last valley value is held for the duration of Hold Time.
Function and setting for valley hold corresponds to the already described Peak Hold function, see
section 6.2.5 Peak Hold (PKH), p. 28. The Valley Hold function is not available for 2‐color units.
6.2.8 Overview to Hold Functions
The following table lists the various Hold functions along with their resets and timing values. Use this
table as a guide for programming your sensor and adjusting the Hold times.
Please note, the setting of some commands is not possible by using of the control panel, these
commands are only available by means of the software.
Hold Function
none
Peak Hold
Peak Hold
Marathon Series FA/FR
Hot objects moving on a production line
Standard output signal
Average output signal
Figure 26: Averaging Example
RESET by Peak Time
P
none 000.0
timer 000.1-299.9
trigger 300.0**
Valley Time Threshold
Protocol code
F C
000.0 -*
000.0 000.0
000.0 000.0
Operation
Hysteresis Decay Rate
XY XE
-* -*
-* 000.0
-* 000.0
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