ix
Connection with current-input type controllers 4-11
Wiring with zener barriers 4-12
Noise preventive measures 4-12
4 - 2 Recommended Cables 4-13
Chapter 5. DETAILED DESCRIPTION OF EACH FUNCTION 5-1
5 - 1 PV Input
5-1
PV input range type 5-2
Temperature unit 5-4
Cold junction compensation (T/C) 5-4
PV square root extraction dropout 5-4
Decimal point position 5-5
PV range low limit/high limit 5-6
PV ratio and PV bias 5-6
PV low limit alarm threshold 5-6
PV filter 5-7
PV hold 5-7
PV low limit/high limit and PV low limit/high limit alarms 5-7
Zener barrier adjustment 5-8
5 - 2 Mode 5-10
AUTO/MANUAL mode 5-10
RUN/READY mode 5-10
LSP/RSP mode 5-10
Auto tuning (AT) stop/start 5-11
Release all digital output (DO) latches 5-11
Communication digital input 1 (communication DI 1) 5-11
5 - 3 Control 5-12
Control method 5-14
Control action and Heat/Cool control 5-15
Special control outputs 5-15
MANUAL mode change 5-16
PID control initialization 5-16
Initial output of PID control 5-17
PID decimal point position 5-17
ON/OFF control 5-18
Output variation limit 5-18
PID control 5-19
Zone PID 5-23
Heat/Cool control 5-24
Auto tuning (AT) 5-26
Just-FiTTER 5-28
RationaLOOP 5-28
SP lag 5-28
5 - 4 Auto Tuning (AT) Function 5-29
Starting procedures 5-29
Stopping procedures 5-29
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