The remote control system utilizes for the remote control on four-wire or radio feeders, two-way directed data telegrams. The control of control equipment occurs similar to that with RMS on the transmission path with coherent sub-carrier FSK (frequency shift keying 1200/1800 Hz in signal zero crossing) with a transmission rate of 1200 Bit/s. To distinguish from FMS, modified control telegrams with inverted redundant test words are used.
The wire remote control uses the same signaling system. For the transmitter shift keying and for the receipt data, two-way directed telegrams are used for the remote control via four-wire lines.
The remote control system enables the full control of all operation functions of the detached stationary radio equipment. In addition, a remote control adapter with four controllable potential-free contacts and four potential-free optical couplings connected to the radio equipment can carry out all conceivable safeguarding functions.
Two-way
Data Traffic enables:
remote
control and sending of instructions to top station, and
reception of messages from the top station.
Remote Control via Data Cable with Computers
For the first method, the remote controllable control terminal BG222-FW is used. The remote control signals are transmitted via the microphone path to the control terminal BG222-FW. The remote control instruction receipt is transmitted via the headphone output. The employed procedure can be carried out simply via the radio feeder and coupling via one large radio relay station.
The open loop control via four-wire line utilizes a software variant that uses control telegrams to control the transmitter keying and transmission of carrier data.
has the same hardware as the BG222-U, except that the ON/OFF key on the control unit was bridged (automatic switch on after power supply). The control unit operates only the functions of a FuG 8b1 radio equipment block.
The manual input was changed so that the new mode parameter setting must be carried out completely and confirmed in conclusion. An executed change of the mode parameters causes automatic RS1 mode switch off regardless of the basic state (R1) in the EAROM, but without changing the EAROM state. If the RS1 mode shall be continued again after manual setting is carried out on the control equipment, a short time power interruption shall be carried out to RESET the control equipment.
