Andover Controls SCX 920 - Figure 3. the Printed Circuit Board of the SCX 920

Hardware Installation
SCX 920 Installation Guide 15
Figure 3. The Printed Circuit Board of the SCX 920
- On
Off
Auto
Off
+On
-On
Off
Auto
Off
+On
- On
Off
Auto
Off
+On
- On
Off
Auto
Off
+On
-O n
Off
Auto
Off
+On
-On
Off
Auto
Off
+On
Auto
Off
+On
–
+
1
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
X
xx
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
1
2
3
4
5
6
7
8
x
x
x
x
x
x
x
x
Form C
Tristate
Form C
Tristate
x
x
x
x
x
OVERRIDE
CPU
TD
RD
+ 24 V
EXTERNAL
STATUS
x
- On
Off
Auto
Off
+On
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
ADJ
EXPANSION
PORT
X
X
X
X
X X X X
X X
X X
X X
X X
X X
----
To
230V
E1
TP10
From
24V
To
E1
TP10
E7
To
TP10
From
115V
USE COPPER
CONDUCTORS ONLY
E3 E4
E2 E5 E2 E2 E7
E6 E6 E4
From
AC INPUT VOLTAGE SELECTION
AC
INPUT
LCD VIEW ANGLE
SCX
xx
SLOW BLOW
F19, 3A, 250V
-
+
3.6 V
X
X
F14
2 A
x
x
x
x
x
x
x
x
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
9
10
11
12
13
14
15
16
INFINET
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
3
5
7
2
4
6
8
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
9
11
13
15
10
12
14
16
INPUT
REFERENCE
RESISTOR
OUT
OUT
INPUT
REFERENCE
RESISTOR
X
INPUTS
X
X
X
X
X
X
F1
1/8 A
RESET
SERVICE
PORT
EPROM
X
X
X
X
IN
GND
NEU
HOT
RET
RET
RET
RET
RET
RET
RET
RET
IN
SHLD
1/8 A
1/8 A
1/8 A
NC
C
NO
NC
C
NO
I
V
GND
GND
I
V
NC
C
NO
NC
C
NO
I
V
GND
GND
I
V
NC
C
NO
NC
C
NO
I
V
GND
GND
I
V
NC
C
NO
NC
C
NO
I
V
GND
I
V
Snap Latch
Snap Latch
Snap
Latch
Snap
Latch
X
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