1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A
Date: 10/11/2010 Sheet of
File: N:\PCBMGR\..\06619-4B.SchDoc Drawn By:
701/701H Controller Board (I/O)06619 B4 5
A0
1
A1
2
A2
3
P0
4
P1
5
P2
6
P3
7
VSS
8P4 9
P5 10
P6 11
P7 12
INT 13
SCL 14
SDA 15
VDD 16
U3
PCF8574T/3,512
12 JP2
IDC-HEADER
-20-SC
-20-SE
LED+
+20-LED
Vdd 1
A0 2
A1 3
Vout 4
PD
5
SCL
6
SDA
7
Vee
8
U4AD5321-RM8R21
10
-20-LED
REC-OUT
BASE ADDR: 0x18
1
2
4
3
U2
PS2502-1
1
2
3
4
5
6
7
8
9
10
J15
CON10 ADDR:0x4E
DS2
RED
+5V
+5V
+5V
+5V
+5V
+5V
+5V
-20-LED
+20-LED
+5V
+5V
REC-OUT
SCL
SDA
SCL
SDA
SCL
SDA
StatusPU
KBINT AC-NEUT
AC-HOT
R18
2.2K
R19
2.2K
R20
2.2K
IN- 4
IN+ 3
AC 2
AC 1
K5 GA8-6B02
DS3
YEL
DS4
YEL
DS5
YEL
DS7
YEL
DS6
YEL
R16
2.2K
R15
2.2K
R14
4.7K
C140.1uF
R25
10K
C130.1uF
R17
2.2K
R22
2.2K R23
2.2K
TP3DEW_POINT_OUTPUMP-ON
4-WAY-VALVE
DUMP-VALVE
RELIEF-VALVE
4-WAY-VALVE
DUMP-VALVE
RELIEF-VALVE
SCRUBBER-CTRL
PUMP-ON
SCRUBBER-HEATER
KBINT
+5V-REF
1
2
3
4
5
6
7
8
J16
mftvh8
1
2
J13
DCN5874RT
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COU4PO40WAY0VALVEPOAC0HOTPOAC0NEUTPODUMP0VALVEPOKBINTPOPUMP0ONPOREC0OUTPORELIEF0VALVEPOSCLPOSDAPOSTATUSPUB-6
01671H DCN6051