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40.03 PID reference source
0: AI1 (O)
1: AI2 (OI)
2: Keypad ----- Initial value
3: Modbus
4: Fieldbus
5: UP/DOWN
Select PID Reference source
Set 0: AI1 (O)
Set the PID reference by DC 0~10V through at O-L terminals
Set 1: AI2 (OI)
Set the PID reference by DC 4~20mA through at OI-L terminals
Set 2: Keypad
Set the PID reference by '40.02'(PID reference) parameter
Set 3: Modbus
Set the PID reference by Modbus communication through at RXP-RXN terminals
Set 4: Fieldbus
Set the PID reference by Fieldbus through at option card adapter
Set 5: UP/DOWN
Set the PID reference by UP/DOWN through external command
40.04 PID feedback source
0: AI1 (O)
1: AI2 (OI) ----- Initial value
Select the source how to get feedback
Set 0: AI1 (O)
Get the PID feedback by DC 0~10V
Set 1: AI2 (OI)
Get the PID feedback by DC 4~20mA
40.05 PID P gain
Range: 0.1 ~ 1000 % in 0.1 %
Initial value: 100.0 %
Select the PID P gain value
It sets the output rate of error between reference value and the feedback value
For faster response speed, enlarge the P gain value
If P gain is set too large, oscillation or over shooting may occur
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