Dwyer SCZ10 - Manual (Page 4)

3.2 Main setting mode
Character Name, Description, Setting range Initial value
Main setting
• Set the value for controlled objects.
•
Scaling low limit setting value to Scaling high limit setting value
(Decimal point place follows the selection for DC current input)
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3.3 Sub setting mode
Character Name, Description, Setting range Initial value
PID auto-tuning Perform/Cancel
• Performs PID auto-tuning. However when PID auto-tuning does
not finish after 4 hours it started, PID auto-tuning is shut down
compulsory.
• PID cancellation :
PID auto-tuning performing:
Proportional band setting
• Sets the p roportional band.
• ON/OFF action when setting the value to 0.0
• 0.0 to 110.0%
2.5%
Integral time setting
• Sets the integral time.
• Setting the value to 0 disables this function.
• This setting item is not indicated for ON/OFF action.
• 0 to 1000 seconds
200 seconds
Derivative time setting
• Sets the derivative time.
•
Setting the value to 0 disables this function.
• This setting item is not indicated for ON/OFF action.
• 0 to 300 seconds
50 seconds
Anti-reset windup setting
• Sets anti-reset windup.
• Setting the value to 0 disables this function.
• This setting item is indicated only for PID action.
• 0 to 100%
50%
Proportional cycle setting
• Sets the proportional cycle value for the control output (OUT).
• This setting item is not indicated for ON/OFF action or DC
current output.
• 1 to 120 seconds
Relay: 30 Sec.
Solid State: 3 Sec.
Manual reset setting
• Sets the resetting value manually.
• This
setting item is indicated only for P and PD action.
• Proportional band converted value (In the case of DC voltage
and current input, decimal point place follows the selection.)
0.0
Alarm setting
• Sets the action point for the alarm output.
•
Setting the value to 0 or 0.0 disables this function.
(excluding Process high and Process low alarm)
When Loop break alarm and Heater burnout alarm are applied
together, the output is common.
• This setting item is not indicated when “No alarm” action is
selected in [Alarm action selection].
• See (Table 3.3-1). (In the case of DC voltage and DC current
input, decimal point place follows the selection.)
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