Page1of 2
Filename: 110display-b1.tcw
Date: 12/20/97
By:R. Fenske
110DISPLAY-B
SCHEMATIC
+12V
(BLUE/RED)
GROUND
(GREEN)
-12V
(BLUE/BLACK)
POWERSUPPLYSECTION
+5VTO
DISPLAY
-12V
FROMAMP
BOARD
+12V
DISPLAY
BOARD
GROUND
J1
PHONE JACK
TOEPCBOARD
J2
LOCALSETPOINT
PUSHBUTTON
TOTALSETPOINT
PUSHBUTTON
SIGNAL+
TODISPLAY
BUFFERAMP
SEEPAGE2
+12V
R1 (SEECHART)
P1
20K
R
G
Y
B
ELECTRONICPRESSURECONTROL
PUSHBUTTONCIRCUITS.
TWOPOSSIBLECIRCUITS.
ALSOSEEEPCBOARDSCHEMATICS.
J1
PHONE JACK
TOAMPBOARD
J1
LOCALSETPOINT
PUSHBUTTON
TOTALSETPOINT
PUSHBUTTON
SIGNAL+
TODISPLAY
BUFFERAMP
SEEPAGE2
+12V
R1 (SEECHART)
P1
20K
R
G
Y
B
DELCDANDECDPUSHBUTTONCIRCUITS.
ALSOSEEAMPBOARDSCHEMATICS.
ACTUAL
PUSHBUTTON
LED (SEECHART)
LED (SEECHART)
J1
PHONE JACK
TOHIVOLTBOARD
J2
LOCALSETPOINT
PUSHBUTTON
TOTALSETPOINT
PUSHBUTTON
ACTUAL
PUSHBUTTON
SIGNAL+
TODISPLAY
BUFFERAMP
SEEPAGE2
+12V
R1 (SEECHART)
P1
20K
R
G
Y
B
PIDANDFPDPUSHBUTTONCIRCUITS.
ALSOSEEHIVOLTBOARDSCHEMATICS.
J1
PHONE JACK
TOHEATBOARD
LOCALSETPOINT
PUSHBUTTON
TOTALSETPOINT
PUSHBUTTON
SIGNAL+
TODISPLAY
BUFFERAMP
SEEPAGE2
+12V
R1 (SEECHART)
P1
20K
R
G
Y
B
HEATEDZONEPUSHBUTTONCIRCUIT.
ALSOSEEHEAT
BOARDSCHEMATICS.
LED (SEECHART)
LED (SEECHART)
PIDORFPD
SPDTON/OFF
SWITCH
S7ORS8
DISPLAY
BOARD
PUSHBUTTON
CIRCUITS
CHART
HYDROGEN1
AIR1
FID IGNITOR
PIDCURRENT
FPDVOLTS
ECDCURRENT
DELCDREACT.
FIDBLOCK
DELCDBLOCK
PIDBLOCK
ECDBLOCK
TCDBLOCK
CIRCUIT
R1VALUE LED
220K
1M
100
40.2K
20K
4.02K
60.4K
40.2K
40.2K
75K
44.2K
120K
2
2
2
2
2
LED
GROUND
DISPLAY
BOARD
GROUND
CHASSIS
GROUND
THELM324'sONTHIS
BOARDOPERATE
USING+12VONPIN4
ANDGROUNDONPIN11.
C3
10uF
7805
REG.
C4
0.1uF
VR1
C2
C7
0.1uF
10uF
YELLOW
YELLOW
YELLOW
YELLOW
YELLOW
GREEN
GREEN
ORANGE
ORANGE
ORANGE
ORANGE
ORANGE
