L33354-XA28UEN-E1-S01, REV. A CLOSED-LOOP TUNING
Copyright © 2020 Amatrol, Inc.
S01-3
SKILL 1 TUNE A CONTROL LOOP USING THE AUTO-TUNE METHOD
Figure 1-3 shows the wiring diagram for the closed loop level control circuit.
Figure 1-3.
Wiring Diagram for a Level Sensor Connected to an Electronic Controller
Figure 1-4 shows the P&ID for the 990-PC1. The active components and wiring are highlighted.
Figure 1-4.
990-PC1 P&ID
24
VDC
+
-
+
-
+
-
CONTROLLER INPUTS
PRESSURE
SENSOR
+
-
+
-
CONTROLLER
OUTPUT
4-20mA
+
-
I/P
CONVERTER
+
-
DC POWER
SUPPLY
PB1
PB2
AI 1
LT1
A01
FV1
CIRC. PUMP
P1
SV3
ANALOG OUTPUT
CONNECTIONS
S
S
S
PI
100-A
HV
100-A
HV
100-B
SV
100-A
FV
100
PI
100-B
FCV
100
LSH
200-B
LSH
200-A
LET
200-A
HV
300
SV
100-B
HV
100-C
SV
100-C
FI
100
FIC
100
IY
100
PC
100
PI
100-C
FE
100
FIT
100
RESERVOIR
TANK
DUAL-COMPARTMENT
PROCESS TANK
OVERFLOW
LEVEL
SENSOR
PROPORTIONAL
VALVE
CONTROLLER
I/P
CONVERTER
PLANT
AIR
WATER
PUMP