SRI GCS Literature Detailed ex SRI website 2014 - page 758-759

Page3of 3
Filename:
dual oven-g#2pg3.tcw
Date: 7/16/03 By:M.Watts
DUALOVEN-G#2
SCHEMATIC
By:M.Watts Rev.Date: 12/16/03
1K
R41
LM324
U10
-
+
6
5
R42
75K 10K
R8
0.1
uF
7
LM324
U10
-
+ 1
2
3
20K
40K
R43 100K
+12V
100K R45
-12V
C NO
RELAY1
+12V
9
10
8
LM324
U10
-
+ +2V
C13 R46
5.1M
Q11
2N3903
R47
10K
1N914
10uF
READY IN
READY
JUMPBETWEEN
READYANDREADY IN
1N914
1N914
D10
14
LM324
U10
-
+
12
13 1N914
D12
D11
READY INHIBIT
AUTOSAMPLER
CONTACT
CLOSURE
5VFROM
LAWSON
BOARD
FORREADY
INHIBIT
THELM324's INTHIS
CIRCUITOPERATE
USING+12VONPIN4
AND -12VONPIN11.
9
10
8
LM324
U2
-
+ R39
1K
100K R40
3
2
1
+
-
LM324
U2
J1
PHONEJACK
COMPARATOR
CIRCUIT:
COMPARES
THEACTUAL
TEMPERATURE
(PIN 5) TOTHE
SETPOINT
TEMPERATURE
(PIN6)
R44
R45A
SPADE
SPADE SPADE
SPADE
SPADE
50V
+ -
READYLED BLACK (-)AND
WHITE (+)WIRES
TOREADYLED
ONSTARTRUN
SWITCH
READYCIRCUIT
CUTTRACE
BETWEENR19
ANDR41JUMP
BETWEENR8
ANDR41FOR
"TOTALSETPOINT"
J1
REDWIRE
OFPHONE
CABLEGOES
TODISPLAY
BD. "TOTAL
SETPIONT" YELLOWWIRE
OFPHONE
CABLEGOES
TODISPLAYBD.
"ACTUAL"
(PUSHBUTTON)