American Magnetics 286 Multi-Sensor Liquid Level Instrument (CE-Marked) - Manual (Page 19)

5
Introduction
System Diagram
LINE: 50-60 Hz, 4.2A MAX
100-120 V
200-240 V
!
C D
B A
SENSOR INPUTS
COMMUNICATIONS
LINE VOLTAGE, EACH 2A MAX
1 2
J5A
J5B
(OSC REQ'D) (OSC REQ'D)
POWER
OFF
1: HI/LO
2: HI/LO
Model 286
Liquid Level
Controller
AMI 1: FILL
2: FILL
ESC
UNITS ENTER
OPTION
HI LO
B RATE FILL
ASN MODE MISC
CAL
A
MENU
$Ch 1: 100.0 %
Ch 2: 50.0 %
1 2 3
4 5 6
7 8 9
0 . O
I
Figure 1-1. Model 286 instrument, fill valves, and sensor system diagram.
NOTE: UP TO FOUR LIQUID LEVEL
SENSORS OF ANY LENGTH MAY BE
CONNECTED
SOLENOID-OPERATED
FLOW VALVES
(OPTIONAL)
3/8 NPT NYLON
FEED-THROUGH
(OTHER MOUNTING
OPTIONS AVAILABLE)
ACTIVE
SENSOR
LENGTH
(SPECIFY)
TOTAL
SENSOR
LENGTH
SENSOR
FRONT PANEL
A PROPERLY CONNECTED WARM
SENSOR CAN READ ~ +2% UNTIL COOL
MODEL 286
LIQUID LEVEL
CONTROLLER
REAR PANEL
OSCILLATOR CABLES
RG-59/U COAXIAL
CABLE, 6 FT. LENGTH
(FIXED)
OSCILLATOR CABLES
RG-59/U COAXIAL
CABLE, 6 FT. LENGTH
(FIXED)
EXTENSION CABLES
RG-59/U COAXIAL
CABLE, 6 FT. LENGTH
STANDARD (VARIABLE
UP TO 500 FT.)