3-1
Section 3 Basic
Operations
3.1 Setting the Input Type................................................................... 3-2
■ Input Type.................................................................. 3-2
● Thermocouple..................................................... 3-2
● Platinum Resistance Thermometer..................... 3-2
● Thermistor .......................................................... 3-3
● Multi-input (Thermocouple/Platinum Resistance
Thermometer) Models ........................................ 3-3
3.2 Selecting the Temperature Unit .................................................... 3-4
● Temperature Unit ................................................ 3-4
3.3 Selecting PID Control or ON/OFF Control.................................... 3-5
● 2-PID Control...................................................... 3-5
● ON/OFF Control.................................................. 3-5
3.4 Setting Output Specifications ....................................................... 3-6
■ Control Period ........................................................... 3-6
■ Direct/Reverse Operation .......................................... 3-6
3.5 Setting the Set Point (SP)............................................................. 3-7
■ Changing the SP ....................................................... 3-7
3.6 Using ON/OFF Control ................................................................. 3-8
■ ON/OFF Control ........................................................ 3-8
● Hys
teresis........................................................... 3-8
3.7 Determining PID Constants (AT, ST, Manual Setup) .................... 3-9
■ AT (Auto-tuning) ........................................................ 3-9
● AT Operations ..................................................... 3-9
■ ST (Self-tuning) ....................................................... 3-10
● Startup Conditions ............................................ 3-10
● ST Stable Range .............................................. 3-11
■ Manual Setup .......................................................... 3-12
3.8 Alarm Outputs............................................................................. 3-14
■ Alarm Types............................................................. 3-14
■ Alarm Values ........................................................... 3-14
3.9 Shifting Input Values ................................................................... 3-16
■ Shifting Inputs ......................................................... 3-16
● Shift Method...................................................... 3-17