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Connecting the Balanced Outputs
As with the balanced input connectors, use high-quality
three-conductor cable for balanced output connections.
To connect to a balanced line-level output:
Strip the wire back about 1/4" inch. Insert the wire as far
as it will go into the appropriate hole in the supplied Euroblock
connector. Tighten down the screw with a small slot-head
screwdriver. It is recommended that you use 20 or 22 gauge
wire with the Euroblock connectors. Wire the connectors as
indicated on the rear panel:
Balanced output connection (Euroblock)
Connecting the LOGIC I/O
There are six programmable logic inputs and three
programmable logic outputs. Each logic input and output
requires two connections, the active wire and ground.
To connect to a logic input or output:
Strip the wire back about 1/4" inch. Insert the wire as far
as it will go into the appropriate hole in the supplied Euroblock
connector. Tighten down the screw with a small slot-head
screwdriver. It is recommended that you use 20 or 22 gauge
wire with the Euroblock connectors. Wire the connectors as
indicated on the rear panel:
LOGIC I/O connection
The logic inputs have internal pull-up resistors connected
to +3.3 VDC. Use a normally open switch connected between
the logic input and ground. When the switch is open, the logic
input is high (+3.3 VDC), and when the switch is closed, the
logic input is low (ground). The active state of the logic input is
normally low, but can be changed in the Logic I/O screen in DX
8
– DX1208
A
GND
+
–
GND
1
IN
GND
+
GND
Navigator, along with the action (momentary or latching), and
the function that is affected by the logic input.
3
2
1
6
OUT
OUT
OUT
IN
IN
LOGIC
GND
GND
GND
GND
LOGIC IN wiring example
The logic outputs are open-collector outputs with internal
pull-up resistors. Connect the indicator or activation circuit
between the logic output and ground. The logic outputs are
normally active high (+5 VDC) and can supply up to 10 mA of
current each. The active state can be changed in the Logic I/O
screen in DX Navigator, along with the function that generates
the logic output.
3
2
1
6
OUT
OUT
OUT
IN
LOGIC
GND
GND
GND
GND
+
GND
10 mA Maximum
LOGIC OUT 3
LOGIC OUT wiring example
Connecting a PC or Controller
The DX1208 can be controlled and programmed via the
USB port, the Ethernet port, or the RS-232 port.
The most common way to connect to the DX1208 is over
the USB port, which is why it is located on the front panel—to
provide easy access, especially when the unit is rack mounted.
Simply connect the USB port on the DX1208 to the USB
port on a personal computer with DX Navigator installed.
INPUT
1
2
3
4
5
6
7
8
9/10
11/12
CLIP
- 40
Laptop
Computer
USB connection
5
4
3
2
1
IN
IN
IN
IN
GND
GND
GND
GND
GND
+
GND
LOGIC IN 1
5
4
3
2
1
IN
IN
IN
IN
IN
GND
GND
GND
GND
GND
OUTPUT
ON
A
B
C
D
E
F
G
H
CLIP
DX LINK ACTIVE
- 40
COMM
DX 1208
MATRIX MIXER
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