3-7 m Reflector Antenna Control System (SU5-4-3)
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 specification:
| Feature | Value | |
| power | three-phase network ~380 V, 50 Hz | |
| operation modes | manual; automatic tracking (extremal automation – EA); PC connection (RS-232 or ETHERNET); settings; | |
| 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 | |
| step length adjustment range for extremal automation, s | 1…12 | |
| EA (MAX) operation time mode, minute | 1, 2, 5, 10, 15, 30, 60 | |
| actuating motor type | three-phased, asynchronous, 2.2 kW | |
| angle-data transmitter | resolver VT-5 | |
| polarizer’s actuator engine type | MN8 36V 2А DC | |
| antenna position readout resolution, circular degrees | 0,01 | |
| time between failures, hr | 15000 | |
| dimensions (WxDxH), mm | 482х488х188 | |
| weight, kg | 11,8 |
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;
