71
4-2
Displaying and Resetting of Maximum and Minimum
Values
The maximum and minimum values are refreshed automatically while the K3NH
is in measurement operation.
4-2-1 Displaying Maximum and Minimum Values
•
The Escape Key is used to select the process, maximum, or minimum value to
be displayed on the PV display in RUN mode.
•
The corresponding SV display indicator (i.e., the MAX or MIN indicator) is lit
while the maximum or minimum value is displayed.
MAX is lit.
MIN is lit.
Process value
Maximum value
Minimum value
4-2-2 Resetting Maximum and Minimum Values
•
The maximum and minimum values are reset when the K3NH is turned on, set
to RUN mode, or reset.
•
The K3NH will be reset when one of the following is performed.
The Reset/Teach Key is pressed for more than one second while the maxi-
mum or minimum value is displayed.
The external RESET input signal is turned ON.
The K3NH receives the reset command through communications.
•
When the K3NH is reset, the maximum and minimum values are set to the pro-
cess value.
Note The K3NH cannot be reset with the Reset/Teach Key if the maximum/minimum
value clear prohibit is ON in protect mode.
1, 2, 3...
1. The process value 401 is displayed.
Set Value LED Display Model
Basic Model
2. Press the RESET/TEACH Key to display the maximum value 1024 and light
the MAX indicator.
Set Value LED Display Model
Basic Model
SETTING
EXAMPLE
Displaying and Resetting of Maximum and Minimum Values
Section 4-2
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