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3-5
Setting the Output Range
The output range switch for each DAC is a 3-position DIP switch located
below the DACs, as shown in Figure 3-1 on page 3-3. The settings of each
position for each available range are as shown in Table 3-3.
Setting the Data Transfer Mode
The data transfer mode jumper for each DAC is a 2-position jumper
located between the output range switches and the DACs, as shown in
Figure 3-1 on page 3-3. When the data transfer mode jumper is at position
N (normal), the adjacent DAC updates after writing the high byte. When
the data transfer mode jumper for a channel is at position X (transfer), the
DAC for that channel updates simultaneously with all other DACs
jumpered at position X on a read of any I/O address in the range of Base
A0h to Base ABh.
Setting the Output Mode
The output mode jumper for each DAC is a 2-position jumper located
above the DACs, as shown in Figure 3-1 on page 3-3. When the output
mode jumper for a channel is at position V (voltage), the output of that
channel is voltage. When the output mode jumper for a channel is at
position I (current), the output of that channel is 4 to 20 mA.
Table 3-3. Range Switch Settings
Output
Range
Position 1
Position 2
Position 3
0 to 5 V
Left
Right
Left
0 to 10 V
Left
Left
Left
±2.5 V
Left
Right
Right
±5 V
Left
Left
Right
±10 V
Right
Left
Right
4 to 20 mA
Left
Right
Left
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