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|  MIL-N-81604C(AS)
Para 3.4.4.1d
(cont)
circuits. The IMU line driver shall also be
capable of operation with the Type AA receiver
defined in table VI.
(2)
- Delta Vx - This output from the IMU to the
shall be identical in characteristics to
+ Delta Vx output, except that pulses on this
*l
output represent an acceleration along the
negative X-axis.
(3)
+ Delta Vy- This output from the IMU to the
ANCU shall be identical in characteristics to
*
the + Delta Vx output, except that pulses on
.
on this output represent an acceleration along
the positive Y-axis.
(4)
- Delta VY - This output from the IMU to the
shall be identical in characteristics to
*
the + Delta V x output, except that pulses on
this output represent an acceleration along
the negative Y-axis.
+ Delta Vz - This output from the IMU to the
(5)
ANCU shall be identical in characteristics to
the + Delta V x output, except that pulses in
*
.-
this output represent an acceleration along
the positive Z-axis. Also , the scale factor
shall be always 0.032 feet/second/pulse and be
unaffected by the Navigate discrete.
- Delta VY - This output from the IMU to the
(6)
shall be identical in characteristics to
*
the + Delta VZ output, except that pulses on
this output represent an acceleration along
the negative Z-axis.
e.
Torquing Pulses - The ANCU shall maintain the plat-
.
form locally level by supplying appropriate tor-
quing pulses to the IMU. See figure 7 for the def-
*
inition of the coordinate system. See figure 6 for
.
interface timing.
(1) X-Gyro Torque - This output from the ANCU to
the IMU shall cause the IMU stable element to
42
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