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SmarTEST X User Manual
STOX-2007-00-00
•
Press the control knob to enter the formula, then press [Ctrl] - [Enter] on the keyboard to
save the formula.
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Toggle formula active (<current state>): the <current state> shows if the formula is
currently active or inactive. Pressing the control knob will toggle that state.
•
Toggle output manually (<current value>): if the formula is inactive it is possible to set the
digital output manually. The <current value> shows if the current value of the selected digital
output, which can be 0 or 1. Pressing the control knob will toggle the digital output.
Monitoring digital output
The digital inputs and outputs can be monitored with
►
►
Figure 11.15 Monitoring a digital output
In the above screen, both digital input 1 and output 1 are set (bits are counted from right to left).
All other bits are 0. If Digital input 2 will be set the value will be 00000010.
Set input trigger
Scripts can be triggered on a digital event. Via the Set Input Trigger button you can change the
DI Trigger Type from Low to High, High to Low, or to All Transitions.
►
►
Figure 11.16 Selecting the DI trigger type
The Digital Input Trigger Type is set default to Low to High, this means that the selected input
action is being triggered on a Low to High event (0 1).
When All Transitions is selected as DI Trigger Type, the selected input action is triggered on
both Low_to_High as High_to_Low events.
EXAMPLE
Select the action for digital input 1 via the Configure input button to (for instance)
Failsafe. If the Input Trigger is set to Low to High a Failsafe signal should be
given when digital input 1 is changed from 0 to 1 (checked with Monitor > Digital
Input).
Page 144 of 168
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Issue no.:3
Sept 15, 2007
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