ix
RS-485 communication connections 4-6
Connecting solid state relays (SSR) 4-8
Connecting the current output device 4-11
Noise suppression measures 4-11
4 - 2 Cables 4-12
Chapter 5. Functions 5-1
5 - 1 PV Input
5-1
PV input range type 5-2
Temperature unit 5-5
Reference junction compensation (cold junction compensation) 5-6
PV square root extraction dropout 5-6
PV decimal point position 5-7
PV range low/high limit 5-8
PV ratio and PV bias 5-8
PV low limit alarm threshold 5-9
PV filter 5-9
PV hold 5-9
PV limiting and PV low/high limit alarm 5-10
5 - 2 Mode 5-11
AUTO/MANUAL mode 5-11
RUN/READY mode 5-11
AT (automatic tuning) stop/start 5-12
AT error 5-12
Release all DO (digital output) latches 5-13
User-defined bit 1 5-13
5 - 3 Control 5-14
ON/OFF control 5-14
PID control, Ra-PID control, heating/cooling control 5-15
Control method 5-16
Control action and heating/cooling control 5-16
Special control output 5-17
Operation when switched to MANUAL mode 5-17
Initial output type (mode) of PID control 5-18
Initial output of PID control 5-19
Integral time and derivative time decimal point position 5-19
ON/OFF control 5-20
PID control 5-21
Heating/cooling control 5-22
AT (automatic tuning) 5-24
Ra-PID 5-26
SP lag 5-27
5 - 4 AT (Automatic Tuning) Function 5-28
How to start AT 5-28
How to stop AT 5-28
5 - 5 SP 5-32
Specifying the SP using operation settings 5-33
Number of LSP groups 5-33
LSP1 to 8 5-33
LSP group No. 5-34
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