Selecting The Number Of Channels; Example Settings - Automation Direct DL405 User Manual

Selecting the
The jumpers labeled 0 and 1 are used to
Number of
select the number of channels that will be
Channels
used. The module is set from the factory for
four-channel operation.
Any unused channels are not processed.
For example, if you only select channels 1
thru 3, channel 4 will not be active. Use the
following table to set the jumpers for your
application.

Example Settings

Once you select the number of
channels, you must set the other
parameters. Use this example to
see how to set the jumpers. The
example only shows settings for
channel 1 operation, but the
procedure is the same for the other
channels.
An explanation of the example
settings is as follows:
S
S
S
S
F4-04ADS 4-Channel Isolated Analog Input
Channels Selected
Channels 1
Channels 1 and 2
Channels 1, 2 and 3
Channels 1, 2, 3 and 4
Number of Channels: Both
jumpers are removed for
one-channel operation.
Polarity: The jumper is set for
Bipolar (Bi) signal range (Uni
is the setting for unipolar
range).
Channel 1 Offset: The jumper
is set for 0V offset.
Channel 1 Range: The
jumper is set to "2", which is
$2.5 VDC ($10mA) when
Bipolar signal range is
selected (see the tables on
the following page for more
information).
Number of
Channels
Jumper Settings
0
1
0
1
0
1
0
1
Number of
Channels
Bi
Polarity
Uni
1/2
Channel 1
1
Range
2
Channel 2
Range
Channel 3
Range
Channel 4
Range
4–5
0
1
Channel 1
1V
Offset
0V