108
SC-F70
SC-F70
PID Operation Operating Instructions
(7) Analog setting input on models equipped with analog setting input
feature
1. Input values
a. DC voltage input:
0-5 V, 1-5 V, 0-10 V
Input impedance:
Approximately 1 M
W
b. DC current input:
0-20 mA, 4-20 mA
Input impedance:
Approximately 250
W
Note: Input type a or b can be selected with a jumper.
2. Sampling period:
0.5 second
3. Input accuracy:
±
(0.1% F.S. of input span + 1 digit)
4. Input compensation bias:
±
(5% of input span)
5. Range setting:
Same as measurement input range
6. Input digital filter:
Primary delay filter 0-100 seconds
(variable)
Note: Filter is OFF when set to 0.
7. Allowable input voltage:
Within
±
12 V
9.4 Control Operation
(1) Types of control operation
1. Auto-tuning PID operation
2. Heating, cooling PID operation
(2) Control calculation period: 0.25 second
9.5 Control Output
9.5.1 First Control Output (OUT1)
This is the control output in the Auto-tuning PID operation, and the
heating control output in the heating, cooling PID operation.