EFX-TEK AP-8 Manuel - Sayfa 2
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Sayfayı YazdırMounting the AP-8
Mount the AP-8 on a non-conductive surface using ½" (not included) stand-offs and appropriate hardware.
Mounting the AP-8 (or any other circuit board) above a conductive (metal) surface could lead to the possibility of a
hazardous condition that might damage the AP-8 or the host controller.
Connections – Power and Speaker
Connect a 12-24 volt, 1 amp DC power supply to the AP-8. Power to the AP-8 is input through a 2.1 mm, center-
positive barrel connector.
Connect a suitable 8-ohm speaker (non-amplified) to the green screw terminals.
Connections – Serial Control
For many applications the AP-8 will be connected to a host microcontroller like the Prop-1. To make the
connection between the host and the AP-8 use a 3-wire servo extender cable (#805-00002). When making the
connection it is important to note the color-coded polarity of the extender cable (W = white, R = red, B = black)
and match it to the output header on the Prop-1 or other host.
Baud Rate Selection
The AP-8 supports two baud rates: 2400 baud for the Prop-1, and 38.4k baud for other microcontrollers. Baud
rate is set with a jumper on the SEL header.
Address Selection
Using a serial connection allows the host controller to connect to up to four AP-8 boards; to do this, however,
each must have a unique address. The AP-8 board address is set with jumpers on the ID0 and ID1 headers.
The illustration below shows the AP-8 configured for 2400 baud, set to address 3 (%11).
EFX-TEK (916) 616-1658 www.efx-tek.com [email protected]
Jumper
Baud Rate
Out
2400 (Prop-1)
In
38.4k (Other controllers)
ID1
ID0
Out
Out
Out
In
In
Out
In
In
Address
0 (%00)
1 (%01)
2 (%10)
3 (%11)
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