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20
—
XCOM
—
XGND
CNC
)
*
—
X
0
CRESET
)
#
DIRECTIONAL
CONTROL OR
REMOTE RESET
*
OPTION
17
*
RLflRM
14
*
CURRENT INPUTS
—
I
—
INST
.
""
flNUN
j
g
T
.
O
.
RNUN
KEYBORRD
9
MICROCOMPUTER
RECTIFICATION
RND
AND
*
PUSHBUTTONS
C
MUX
RANGING
TB
AND
x
A
/
D
13
7
*
DISPLRY
REALTIME
CLOCK OPTION
B
12
6
*
5
TRIP
LED
RR
A
DEADMRN
CIRCUIT
4
3 -
3
>
-
J
-
INST
.
TTRIP
15
T
.
D
.
TRIP
MONITOR LED
N
*
1 1
A
/
10
*
+
2
IV
BAT
+
x
\
f
DC
/
DC
V
1
*
+
5 V
BAT
-
COMMUNICATIONS
OPTION
9650 A 74
Sub 1
CM
CM
Figure 1
.
MMCO Block Diagram
co
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