GB Double Sound Speed Controller SFR-1-D
01.03.2020 BEIER-Electronic 35
Using the Sound-Teacher all 16 channels of the sum signal can be assigned to one
of the 16 propotional channels of the SFR-1-D.
It is important to use Prop #1 at the SFR-1-D for the throttle channel and Prop #2 for
the steering channel of the transmitter.
Digital switches at sum signal SUMD3
With sum signal "SUMD3" some remote controls (for example Graupner mz-16,
mz-32) can transmit up to 64 digital switches. Each digital switch can be assigned
with a function oft the SFR-1-D (see page 65). Thus, these digital switches are ideal
for controlling the various functions of the SFR-1-D.
Each digital switch can be set on the transmitter, in the "On/Off", "Pulse" and "Flash"
modes.
For the following functions of the SFR-1-D the mode "Pulse" must be selected:
• Light switch + and Lightswitch -
• All WAV-Player functions (play, pause, track rev / fwd, random)
• Indicator left and indicator right
• All additional sounds, in mode „once“
The default 0.5 s can be retained in the transmitter as pulse time. The pulse time can
also be reduced to 0.1 s, which speeds up the transmission a bit.
For all other functions of the SFR-1-D the mode "On/Off" should be selected.
Switching outputs
The SFR-1-D has 16 outputs to connect consumer units such as LEDs, lamps,
relays, smoke generators etc. Different switching functions and output types can be
selected by using the Sound-Teacher (see page 71).
The SFR-1-D is always switching the negative pole to each output and thus to the
connected load (e.g. LED, lamp, relay). The loads plus pole is connected directly to
the supply voltage, or to the black and white cables of the output blocks (collected
plus pole).
The intensity (PWM-control) of each output can be configured with the Sound-
Teacher by steps of 2%, between 2% and 100%.
If relays or other inductive loads (e.g. motors) should be connected to the switching
outputs, free-wheeling diodes must (e.g. 1N4007) be used.
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