12m Reflector Antenna (type TNA-57)
Control system (SU-12M with the use of built-in one mikroPC)
SU-12M is designed for controlling the rotary mechanism type TNA-57 when tracking a fixed-orbit satellite (instead of EPA-57M).
Technical specifications:
| Feature | Value | |
| power | three-phase network ~380/220 V, 50 Hz | |
| operation modes | manual; automatic tracking; client-server; | |
| aiming | max (EA); program; combined | |
| communication channels | RS-232, RS-485 | |
| opportunities | allows to connect to 32 control systems to one server on the joint RS-485 (double line) | |
| work in a network | in accordance with EIA-485 | |
| control and indication | built-in keyboard and display | |
| input signal for autotracking (proportional to the level of received signal), V | +0,1…+10 | |
| signal leakage for autotracking, dB | 0,3 | |
| adjustment range of input signal amplification gain | 1…4 | |
| actuating motor type | two engines of the direct current DPM-11 with total power to 5 kW on every axis | |
| angle-data transmitter | resolver VT-2A, VT-5 | |
| antenna position readout resolution, circular degrees | 0,01 | |
| time between failures, hr | 15000 | |
| dimensions, mm BU-12M BS-12 |
482x192x415 482x192x408 |
|
| hardware configuration (BU-12M, BS-12, BS-12) | three blocks | |
| weight, kg BU-12M BS-12 |
9,5 13,8 |
other: presence of blocking of the EA work and sound signaling at reduction level of entrance signal below set, electronic adjustment of angle-data sensors, presence of built-in nonvolatile memory, storage of co-ordinates companion for the days past and current, nonvolatile calendar and clock.
