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is set for pulsed output mode and the trigger condition is true, then the output will be set
high for a duration based on this option. The range is from 1 to 9999 milliseconds.
On At Scan: At the beginning of each scan the system checks the mode of the digital
I/O and if it is set for ‘On At Scan’ then the digital I/O is set high and the system delays
before processing the scan for a duration based on this option. After the scan process is
complete the digital I/O will be turned off. An example application where this option
could used is for a motor that needs to be turned on at the beginning of each scan but
requires a delay of 2 seconds before the sensors are scanned. In this case, the warm up
delay would be set to 2000.
C - Count / Encoder Inc Value
When in Counter Mode, this is the value that will be added to the counter for each high to
low transition of the input. Also when in Encoder Input Mode, this is the value used for
counting up and down based on a change of the encoder.
S - Trigger Source
This option is used to select a data source to use to compare with the ‘Set Point’ to see if the
digital output should be set or not. For example, to set the output high if the battery voltage
is below 11.0 volts, the battery must be selected as the source, and the set point option set to
11.0 and the trigger mode set to ‘< Set Pt’. This reads as; “if the battery is less than 11.0
volts then set the output high, else set the output low”. The trigger source could be any of the
normal inputs such as analog inputs, a counter input, SDI-12, etc.
T - Trigger Mode
This option is used to select the type of condition to use to compare the trigger source and the
set point. The following show the valid options:
> Set Pt: Greater than set point. Set the output high if the source is greater than the
set point.
< Set Pt: Less than set point. Set the output high if the source is less than the set
point.
Always: Always set the output high regardless of the set point or source.
P - Trig Set Pt
This option is used to set the value the data source will be compared with to see if the digital
output should be set high or not.
1 - Test Dig 1 Output
When the digital I/O 1 pin is configured as an output, pressing the 1 key will activate the pin
for testing purposes. If the pin is configured for pulsed output, the output will turn on for the
defined pulse length and then turn off again. If the pin is configured for continuous operation,
3-8 Remote Operation (Menu Mode) H-5223