Specifications

Analog Output Modules
31007715 6/2008 257
Fallback States If an output channel’s fallback mode is predefined state, you may configure that
channel to go to any value in the valid range.
z If your voltage range is 0 to 10 VDC, then the fallback state value may be
configured as a decimal or hexadecimal integer in the range 0 to 32 000
(0 to 0x7D00).
z If your voltage range of -10 to +10 VDC, then the fallback state value may be
configured as a decimal or hexadecimal integer in the range -32 000 to +32 000
(0x8300 to 0x7D00).
By default, both channels are configured to go to 0 VDC as their predefined fallback
state.
To modify a fallback state from its default setting or to revert back to the default from
an on setting, you need to use the Advantys configuration software:
Note: If an output channel has been configured with hold last value as its fallback
mode, any value that you assign its fallback state parameter will be ignored.
Step Action Result
1 Make sure that the Fallback
Mode value for the channel you
want to configure is predefined
state.
If the Fallback Mode value for the channel is
hold last value, any value entered in the
associated Predefined Fallback Value row will
be ignored.
2 Choose the data display format
by either checking or unchecking
the Hexadecimal checkbox at
the top right of the editor.
Hexadecimal values will appear in the editor if
the box is checked; decimal values will appear if
the box is unchecked.
3 Expand the + Predefined
Fallback Value Settings fields
by clicking on the + sign.
Rows for Channel 1 and Channel 2 appear.
4 Double click on the channel
value(s) you want to change, then
type in the desired value(s). The
max/min values of the range
appear at the bottom of the
module editor screen:
-32 000 to +32 000 (0x8300 to
0x7D00)
The software does not change the way it
displays the minimum range value when your
voltage range is 0 to 10 V. You should not enter
a value less than 0 when your outputs are in this
voltage range.
If you enter a negative predefined state value
when the voltage range is 0 to 10 V, the fallback
state of the affected channel will become 0.
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