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Counting Control Output ON/OFF Operations Section 4-20
Control Output ON/
OFF Counter Monitor
Function
This function is not displayed when the Control Output 1 ON/OFF Alarm Set-
ting and the Control Output 2 ON/OFF Alarm Setting parameter are set to 0,
or when the control outputs are set for linear outputs.
Display When ON/OFF Count Alarm Occurs
When an ON/OFF count alarm occurs, the PV display in the No. 1 display
shown below alternates with the ralm display on the No. 2 display.
•PV
• PV/SP (Including the items displayed by setting the “PV/SP” Display
Screen Selection parameter.)
• PV/Manual MV, PV/SP/Manual MV
• PV/SP displayed for the monitor/setting items
Control Output ON/
OFF Count Alarm
Function
If the ON/OFF counter exceeds the control output ON/OFF count alarm set
value, an ON/OFF count alarm will occur. The alarm status can be assigned
to a control output or an auxiliary output, or it can be displayed at the Control-
ler. The ON/OFF count alarm set value function is disabled by setting the ON/
OFF count alarm set value to 0.
ON/OFF Counter Reset Function
The ON/OFF counter can be reset for a specific control output.
Note After the counter has been reset, the control output ON/OFF count monitor
value will be automatically returned to 0.
If an error occurs in the control output ON/OFF counter data, the ON/OFF
count monitor value will be set to 9999 and an ON/OFF count alarm will occur.
The alarm can be cleared by resetting the ON/OFF counter.
Parameter name Setting range Unit Default
Control Output 1 ON/OFF Count Monitor 0 to 9999 100 times 0
Control Output 2 ON/OFF Count Monitor 0 to 9999 100 times 0
PV/SP
25
100
25
ralm 100
CC
Normal
ON/OFF Count Alarm
Alternating
display
Parameter name Setting range Unit Default
Control Output 1 ON/OFF Alarm Set-
ting
0 to 9999 100 times 0
Control Output 2 ON/OFF Alarm Set-
ting
0 to 9999 100 times 0
Parameter name Setting range Unit Default
ON/OFF Counter Reset 0: Disable the counter reset
function.
1: Reset the control output 1
ON/OFF counter.
2: Reset the control output 2
ON/OFF counter.
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