tams elektronik FD-R Basic Manual page 13

Railcom transmitter and function decoder
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Basic
FD-R
Tip: When programming the module with a Motorola central unit the
switch into the programming mode, and the status of the programming,
are shown by flashing the lighting connected to the outputs AUX1 to
AUX 2. You should therefore connect lighting to at least one output
before starting to program the module with a Motorola central unit.
Connecting accessories to the outputs
Before connecting the lighting and other accessories to the outputs
check if the current is below the maximum permissible value of 100 mA
per output. If lighting or other accessories with current larger than
100 mA are connected the decoder will be damaged when put into
operation.
Disconnect any existing diodes in the leads to the lamps. Connect the
lamps and the accessories to the function outputs (AUX1 to AUX2) of
the decoder. The assignment of the function outputs to the function
keys will be made when programming the decoder.
If the lamp or the accessory is already connected with one side to
vehicle ground, the connection is complete. If not, connect the second
side of the lamp or the accessory to the return conductor of the
decoder (point X6).
!
Caution:
If you connect the accessories to the return conductor for all functions
(point X6), the accessories must be insulated. The accessories should
not make contact with metal parts of the vehicle. Possible short circuit!
The decoder will be damaged in operation.
!
!
Caution:
The return conductor for all functions (point X6) must under no
circumstances be connected to vehicle ground. Possible short circuit!
The decoder will be damaged in operation.
English
Page 41

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