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Typical Interface Characteristics
Lines
between
the
controller
and
the
drive
have
the
characte~istics:
following
V out True
+ 0.4
volt maximum at lout
=
48 milliamperes,
maximum
V out False
=
+2.4 volts minimum open collector at lout
250 microamperes, maximum
Figure 3-1 contains
Figure 3-2 contains
the
the
characteristics of the electrical interface.
control and data timing requirements.
+5
VOLTS
150 OHMS
TRANSMISSION
LINE'"
1
0 FEET
, - - - - - - - l
1
1
74LS040R
EQUIVALENT
+
TRUE _ _
' - I
----1)c>-1'~=t±========~=;_1---q
+
TRUE
I
~
: 7438 OR
I I
L ~~VALEN",:-
_ _
J
DRIVER
RECEIVER
fIGURE 3-1
ELECTRICAL INTERFACE CHARACTERISTICS
3.5
D. C. POWER
D. C. power is supplied to
this
drive via a four-pin
AMP connector,
J7, connected
to
the
rear
of the drive.
The mating connector, not
supplied,
is AMP Part Number 1-480424-0, using At1P contact Part Number
606191-1.
Pin assignments are found in Table 3-2.
The
chassis
should
proper operation.
be
connected
to
earth
ground to ensure
3-7
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