5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
+V (+15V)
+V (+15V)
+V (+15V)
+V (+15V)
-V (-15V)
-V (-15V)
-V (-15V)
Vref (+5V)
Vref (+5V)
Vref (+5V)
Relays Power
-V (-15V)
V-
V+
+V (+15V)
Relays Power
+V (+15V)
Title
Size Document Number Rev
Date: Sheet of
DWGS PSX 012 1 0
PS-220 Rev.D1 Main Board, 115 / 230 VAC Powered
Ionics Agar Environmental Ltd.
B
11Monday, March 03, 2008
GE Analytical Instruments
*
+
-
*
DEMO SELECTION
ID-223
ID-221
To Q3-C on TEST board
ID-227WL only
ID-227WL only
+12V
GND
NOTE 1:
ALL CAPACITORS ARE +10%/50V UNLESS NOTED;
ALL RESISTORS ARE +1%/0.125W UNLESS NOTED;
WCOM
ACOM
ALO
ALCO
ALC
WLCO
*
*
*
ANC
ANO
NOTE 2: TRIMMERS R2 AND R5 MAY BE INSTALLED OFF BOARD, ON A PANEL.
RELAYS: RY1 & RY2: OMRON G2RL-24 24VDC; RY3: OMRON G2RL-14 12VDC
AIR, OIL AND WATER LIGHTS ARE INSTALLED OFF BOARD, ON A PANEL.
DRAWING BY:
CHECKED BY:
APPROVED BY: S. DAVID
AC SELECTION
115VAC: Short A to B, and also C to D
230VAC: Short B to C only.
WNC
WNO
WLC
WLO
(GND)
NOT INSTALLED
GAIN
WATER / OIL
SETTING
+
-
OIL / AIR
SETTING
TVS1 not
installed
AC SELECTION:
L.P. FILTER
ZERO
S. DAVID
S. DAVIDNOTE 3: LOW PASS FILTER ENABLING BY SHORTING JP2 AND OPENING JP1.
NOT INSTALLED
FAIL RELAY
WATER/OIL
RELAY
OIL/AIR
RELAY
20mA LEDs
20mA LED
AIR LIGHT
U3
REF02EZ
VIN
2
GND
4
VOUT
6
TRIM
5
TEMP
3
TB2-3
GND
D25
1N5819
TP4
R30
27K
R81 100K
C14
0.1uF
TB10-2
BG Off
Q8
2N3904
-
+
U2D
LT1014CN
12
13
14
411
TB2-12
FNO
C85
100pF
R90
7.5K
R55 100K
R35
27K
R51
9.09K
R23
15K
TB2-8
WNC
TB8
1
2
3
D13
1N4005
C40
3.3uF
TB1-6
+15V
R10
20K
D19
1N914
TB1-1
DET+
Q7
2N3904
R18
9.09K
D8
1N4005
C10
0.1uF
TP8
R83
4.99K
ANC
TB2-5
TB2-11
FNC
TB9-5 A-
-
+
U1B
LT1014CN
5
6
7
411
A
LD1
LED
TB1-5
FAIL RELAY
RY3
RELAY SPDT
C11 10uF
R11
1K
R6 20K
D24
1N4005
TVS3
MPTE-15
C4
0.1uF
U8
LM336-5v
C6
220uF/50V
TVS2
MPTE-12
TB2-7
WCOM
TB1-3
SIG.
C13
47uF/63VDC
R16 10K
U6
DC-to-DC
+Vin
23
+Vin
22
-Vout
16
+Vout
14
GND
2
GND
3
ACOM
TB2-4
R33
750R/1/2W
-
+
U2C
LT1014CN
10
9
8
411
U5 78L12A/TO92
VIN
1
GND
3
VOUT
2
R34
4.7K
D
D27
1N5819
D21
1N914
TB2-2
L (+)
R52
10M
R32
750R/1/2W
C86
100pF
D12
1N4005
D2
1N914
TB7
1
2
3
TB2-9
WNO
C17
10uF
D11
1N4005
C9
0.015uF 275V~
C20
0.1uF
U4 LM7815CT/TO220
VIN
1
GND
3
VOUT
2
TB2-1
N (-)
TVS1
MPTE-12
C12
1uF
R20
1K
-
+
U2B
LT1014CN
5
6
7
4 11
R9
1K
D16
1N4005
C16
0.33uF
R17 100K
C19
0.015uF 275V~
E
C1
0.1uF
U22
1N751A
D4
1N914
Q1
BS250
JP2
12
U23
1N751A
D28
1N5819
WATER LIGHT
C8
0.015uF 275V~
R5 10K
JP3
12
R31
750R/1/2W
TP2
Q11
2N3904
D7
1N914
D14
1N4005
C73
0.1uF
OIL LIGHT
TB1-7
TP3
C7
0.1uF
TB10-3
TP4
C
R2
10K
D26
1N5819
D9
1N4005
TP3
RY1
RELAY DPDT
TP5
-
+
U1D
LT1014CN
12
13
14
411
TB9-1 W-
D3
1N914
R53
10K
R22 10M
C72
0.1uF
R56
100K
ANO
TB2-6
R21 1.5K
R19
10K
TB9-3 O-
JP4
12
D20
1N914
R1
20K
R3
5K
R25
30R / 4W
-
+
U2A
LT1014CN
3
2
1
4 11
D5
1N914
TB9-2 W+
TB1-2
DET-
RY2
RELAY DPDT
C15
0.33uF
C75
0.01uF
C3
220uF/50V
T1
TRANS. FLAT
1
3
4
2
5
6
8
7
R12
15K
D17 1N4005
JP1
1 2
SW1
SW SPDT
B
C5
0.1uF
D6
1N914
C18
0.015uF 275V~
F1
125mA
R54
15K
D15
1N4005
TB9-4 O+
C2
3.3uF
U7
SI7661 / TC7662
NC
1
C+
2
C-
4
GND
3
V+
8
OS
7
LV
6
VO
5
TB2-10
FCOM
LD2
LED
-
+
U1A
LT1014CN
3
2
1
411
TB9-6 A+
TB1-4
FAIL
D1
1N914
D10
1N4005
D18
1N914
Q4
BS170
-
+
U1C
LT1014CN
10
9
8
4 11
TP1
TP7
R24
75R / 4W
R4
1K
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