Page4of 8
Filename:Amp-e4.tcw
AMP-E
SCHEMATIC
DELCDPOWERSECTIONOFAMPBOARD
THISCIRCUITRYCONTROLSTHE
TEMPERATUREOFTHEDELCDREACTOR.
SEEPAGE5FORTHEDELCDELECTROMETER
SCHEMATIC. THEDELCDREACTOR ISLOCATED
ONTHERIGHTSIDEOFTHECOLUMNOVEN.
5
6
7
+
-
LM324
U3
9
8
+
-
LM324
U3
60.4K
20K
+12V
FROMDISPLAY
BOARD
LOCALSETPOINT:
(LOCALANDTOTAL
SETPOINT
PUSHBUTTONS)
GREENAND
REDWIRES
OFPHONE
CABLE
J1
YELLOWWIREOF
PHONECABLE
TODISPLAYBD.
"ACTUAL"
(PUSHBUTTON)
1M
R40
1
3
4
5
10
2
8
7
6
9
12
13
14
+
-
LM324
U3
YELLOW
WHITE
U4
AD597
THERMOCOUPLE
AMPLIFIER
+12V
R43
1M
0.1uF
J1
10
R44
10K
SETPOINTCIRCUIT:
USERADJUSTSTOSET
DESIREDTEMPERATURE
OFDELCDREACTOR
THERMOCOUPLE
AMPLIFIERCIRCUIT:
DETERMINESACTUAL
TEMPERATUREOF
DELCDREACTOR
COMPARATOR
CIRCUIT:
COMPARES
THEACTUAL
TEMPERATURE
(PIN6) TOTHE
SETPOINT
TEMPERATURE
(PIN5)
10K
R41
1M
R45
10OHM
R46
1M
R42
R47
1K
BLACKWIREOF
PHONECABLE
TODISPLAYBD.
"LED"
TO
DISPLAY
BOARD
J1
DELCDBRIDGEASSEMBLY
ONUPRIGHTMETAL
BRACKETONTHERIGHT
SIDEOFTHECHASSIS
CIRCULATIONFAN
(OUTPUTOF25AMPBRIDGE
POWERSTHE12VMINI-FAN
ONFRONTOFG.C. REDLID)
ac
ac
25AMP
BRIDGE
RECTIFIER
-
+
10VAC
INPUTFROM
TRANSFORMER
10000uF
CAPACITOR
EMITTER
COLL.
BASE
2N3055
BOTTOM
VIEW
+
DELCDREACTOR
DELCDREACTORHEATERWIRES
PLUG INTOPUSHTERMINALS
NEXTTODETECTORASSEMBLY
1OHMATROOMTEMP.
RED,WHITE
&YELLOW
WIRESTO
T-COUPLEAMP
&ELECTROMETER
LEDDRIVERCIRCUIT:
PROVIDESVISUAL
VERIFICATIONOF
DELCDREACTOR
HEATING
Q1
2N3903
C40
10uF
50V
Date: 12/20/97
By:M.Watts
By:R. Fenske
Rev.Date:10/08/03
GRAY/YELLOW
SPADE
SPADE
GRAY/BLUE
C41
YELLOWANDWHITE
THERMOCOUPLE
INPUTWIRES
FROM
DELCDREACTOR.
(THEREDWIRE IS
THESIGNALOUTOF
THEDELCDCELL, SEE
PAGE5FORDELCD
ELECTROMETER
CIRCUIT.)
