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Dennis Jones
Joined: 17 Sep 2006
Posts: 45
Location: Poplar Grove, IL
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charlieray(at)optonline.n
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 Posted: Wed Sep 20, 2006 6:36 pm Post subject: Switched power |
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Dennis,
If you are powering your encoder right from a fuse from the bus (to reduce
warm up time) the switched power pin out of the transponder will be left
empty. 8 and 14 are tied together on multi voltage encoders.... the old
convention was 28 volts on pin 8 and 14 on pin 14....
Run your fused encoder power to pin 14 and leave pin 8 empty, run no other
power wires from the transponder swithced power.
I just read this message after i sent the previous. I still want to know
exactly shich encoder and transponder you are using. I could draw you up a
schematic and fax it to you.
Let me know.
Charlie
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Dennis Jones
Joined: 17 Sep 2006
Posts: 45
Location: Poplar Grove, IL
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| Posted: Wed Sep 20, 2006 10:57 pm Post subject: Switched power |
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Charles
The transponder is the Terra 250D and the encoder is the Terra 3000.
Dennis
Quoting Charles Reiche <charlieray(at)optonline.net>:
[quote]
Dennis,
If you are powering your encoder right from a fuse from the bus (to
reduce warm up time) the switched power pin out of the transponder
will be left empty. 8 and 14 are tied together on multi voltage
encoders.... the old convention was 28 volts on pin 8 and 14 on pin
14....
Run your fused encoder power to pin 14 and leave pin 8 empty, run no
other power wires from the transponder swithced power.
I just read this message after i sent the previous. I still want to
know exactly shich encoder and transponder you are using. I could
draw you up a schematic and fax it to you.
Let me know.
Charlie
---
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supplied from the a/c power to reduce warm up time and then use pin (14) SWITCHED POWER IN as indicated by the schematic for the switched power back to the transponder. Now for the question. The transponder schematic shows two pins together (8,20) used for SWITCHED POWER OUT. Do both of these get wired to the switched pin number 14 or bacause I'm powering the encoder pin 8 with its own power is one of these pins left empty?
