ANTENNA DEPLOYMENT & POINTING MECHANISM (ADPM)

Purpose:

Rotates antenna interface flange relatively to ADPM baseplate in two perpendicular planes within the specified ranges of operating and stowed angles

Performances:
Rotation angle about each axis, °
± 8,5
Rotation speed, °/min
0 – 7
Rotation angle measurement error for each axis, arcsec, no more
60
Angle sensor
Optical (OEDU-3, error 10″)
Torque achieved for each axis, N·m, no less
30
Self-braking torque with motors powered OFF for each axis, N·m, no less
5
Load moment of inertia, kg·m2
30
Operating temperature range, °C

OFF state
–65 to +70
ON state
–30 to +60
Operating life expectancy over 15 years, h, no less
88 000
Mass, kg
7 ±0,2