R3-TC2
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: [email protected]
EM-8468 Rev.3 P. 9 / 37
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SETTING EXAMPLE 1: TEMPERATURE CONTROL WITH STANDARD PID
The following is an example to control temperature of loop 1 to 40.0°C by standard PID control.
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(1) Connect Pt100 to the universal input terminal 1 to measure temperature. Connect also an SSR and a heater to the control
output 1.
SSR
Power Supply
Heater
R3-TC2PS
Pt100
Universal Input 1
Control Output 1
(2) Go to the setting items tree and change the following parameters.
SETTING ITEMS TREE
PARAMETER
SELECTION
Universal input 1
Input type
RTD Pt 100
Universal input 1
Wiring
3 wires
Control output 1
Output assignment
Loop 1, Heating control
Loop 1, Bank 0
SP (setpoint value)
40.0
(3) Confirm that Pt100 is correctly connected to the universal input 1 and the controlled object (heater, etc) for heating control
to the control output 1.
(4) Click RUN button and AUTO button located below the trend graph to start control operations. Indicators STOP and MAN
are switched respectively to RUN and AUTO.
(5) Click Auto-tuning button located below the trend graph to show the Auto-tuning dialog box. Choose Bank 0 and click OK.
(6) The Controller starts auto-tuning. Indicator AT starts blinking. Click STOP button to stop the auto-tuning.
(7) Indicator AT stops blinking to start control operation when the auto-tuning is complete.
(8) Go to the setting items tree and change the following parameters so that the control operation automatically starts at the
start up of the device.
SETTING ITEMS TREE
PARAMETER
SELECTION
Loop 1
Operation at startup
RUN
Loop 1
Control mode at startup
AUTO
Now the setting is complete.
