sk5-4

Control Systems (SU5-4-1) reflector antenna (VT-5, asynchronous motors to 0,75 kW, adjustable speed, polarization control)

3-7 m Reflector Antenna Control System (SU5-4-1)

System is designed for controlling the rotary mechanism when, tracking a fixed-orbit satellite, for manual handling of polarizer’s actuator engines and switching over frequency range.

Technical specifications:

Feature Value
power 220 V, 50 Hz
operation modes manual; automatic tracking (extremal automation – EA); PC connection (RS-232 or ETHERNET); settings
step length adjustment range for extremal automation, s 1…12
EA (MAX) operation time mode, min 1, 2, 5, 10, 15, 30, 60
input signal for autotracking (proportional to signal level of received signal), V +0,1…+10
signal leakage for autotracking, dB 0,3
adjustment range of input signal amplification gain 1…5
actuating motor type one-phased, asynchronous, 0,75 kW
polarizer’s actuator engine type MN8 36В DC
angle-data transmitter resolver VT-5
antenna position readout resolution, circular degrees 0,01
time between failures, hr 15000
dimensions (WxDxH), mm 482х488х188
weight, kg 11

other:
- adjusted velocity for handling a rotary mechanism, for each axis;
- EA (MAX) operation interlock and sound alarm if input-signal level decreases lower than preset;
- manual override capability for polarizer’s actuator;
- manual handling of frequency range actuator (Ku and C);
- electronic adjustment of sensors.