SRI GCS Literature Detailed ex SRI website 2014 - page 784-785

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Filename: p& t-dpg1.tcw
P&T-D
SCHEMATIC
10
9
8
+
-
LM324
U2
6
7
+
-
LM324
U2
R1
1N914
20K
+12V
FROM
DISPLAY
BOARD
LOCAL
SETPOINT
GREEN
WIRE
OFPHONE
CABLE
J1
YELLOWWIREOF
PHONECABLE
TODISPLAYBD.
"ACTUAL"
(PUSHBUTTON)
R2
1M
1M
R7
0.1
uF
C2 D1
1
3
4
5
10
2
8
7
6
9
3
2
1
+
-
LM324
U2
R
Y
GND
U1
AD597
THERMOCOUPLE
AMPLIFIER
+12V R1
C1
1M
0.1uF
1
3 4
5 2
6
U4
MOC3030
(220V-MOC3040)
R3 100OHM
1WATT
R20
100OHM
1WATT
ACOUTPUTTOTRAP1AND
SPARGEFILTERHEATERS
SCR1
Q6004
SWITCHED
ACHOT
INPUT
(BLUE)
SWITCHED
ACNEUTRAL
INPUT
(BROWN)
12
13
14
+
- U2
LM324 BLACKWIREOF
PHONECABLE
TODISPLAYBD.
"LED"
TO
DISPLAY
BOARD R6
1K
J1
J1
10
9
8
+
-
LM324
U3
12
13
14
+
- U3
LM324
5
R8
10K
3
2
1
+
-
LM324
U3
R5 1M
10K
R9
10K
R10
5
6
7
+
-
LM324
U3
10K
R11
"JITTER "CIRCUIT:
OPTIMIZES
TEMPERATURE
STABILITY
THERMOCOUPLE
AMPLIFIERCIRCUIT:
DETERMINESACTUAL
TEMPERATUREOF
TRAPS
SUMMINGCIRCUIT:
ADDSTHE JITTER
ANDTHESETPOINT
TOGETHERPRIOR
TOTHECOMPARATOR
CIRCUIT
COMPARATOR
CIRCUIT:
COMPARES
THEACTUAL
TEMPERATURE
(PIN 9) TOTHE
SETPOINT
TEMPERATURE
(PIN10)
ACSWITCHING
CIRCUIT:
SWITCHESACTO
TRAPHEATERTO
ACHIEVEDESIRED
TEMPERATURE
C3 0.02uF
R15 1M
1M
1M R13
R14
R26 1K
+6V
-6V
NO
NC
10K
R32
+12V
RELAY 'F' (TP1)
INPUT FROM
A/DBOARD
TOACTIVATE
HIGH/LOW
SETPOINT
R30
P1
20K
+12V
J1
200K
RED
WIRE
OFPHONE
CABLE
TOTOTALSETPOINT
ONDISPLAYBOARD
(ADSORBTION
SETPOINT:
30DEG.C. TYP.)
ac
ac
-
+
7812
REG.
7912
REG.
1000
uF
1000
uF
C8
C10
C9
C11 C13
0.1uF
0.1uF 10 uF
+12V
-12V
P&TBOARD
GROUND
FROMAC
DISTRIBUTION
BOARD
28VAC
(RED)
GROUND
(GREEN)
28VAC
(WHITE)
BR1
BRIDGE
RECTIFIER
POWERSUPPLYSECTION
THELM324's INTHIS
CIRCUITOPERATE
USING+12VONPIN4
AND -12VONPIN11.
SWITCHED
ACHOT (BROWN)
SWITCHEDAC
NEUTRAL (BLUE) CAUTION:ACHOTAND
ACNEUTRALARE
HAZARDOUSVOLTAGES
ANDAREPRESENTON
THISANDOTHERCIRCUIT
BOARDSWHILETHEG.C.
POWER ISON.
1N914
D2
R21
1M
C21
10
uF
5
6
7
+
- U20
LM324
R22 100K R23 10K
+12V
1
3 4
5 2
6
U5
MOC3030
(220V-MOC3040)
R24
100OHM
1WATT
R25
100OHM
1WATT
TO
+12V
TRAP
FAN
SCR2
Q6004 ac
ac3N246
-
+
28V 28V CT
+0.12VDC
TRAP#1CIRCUIT
OFPURGE&TRAP
BOARD
TRAPCOOLINGFANCIRCUIT
+5VAS
TRAP
HEATS
48.7K
100K
R33 'BAKE': FROMA/D
BOARDRELAY 'B'.
ADDS 50 DEG. TO
TRAPSETPOINTS
CHASSIS
GROUND
P&TBOARD
GROUND
DESORBTION
SETPOINT:
200DEG.C. TYP.
Q3
2N3903
43Hz
C12
0.1uF
Date: 12/20/97 By:R. Fenske
Rev.Date: 12/12/02 By:M.Watts