Operating Procedures
RFD-200 S2™
8
3.4 Timer Start and Timer Stop Inputs
The RFD-200 S2 built-in timer displays the test results in both millisecond and cycles.
There are 3 selections for the Timer Start Input:
Internal: Timer starts when voltage/current sources are turned on or off (user
select Start-On mode or Start-Off mode).
Dry: A change in state of a dry contact input after the user has selected the Start-
On mode or Start-Off mode will start timer.
Wet: A change in state of a wet contact input after the user has selected the Start-
On mode or Start-Off mode will start timer.
There are 3 selections for the Timer Stop input:
Internal: Timer stops when user selects OFF Mode.
Dry: A change in state of a dry contact input after the timer has started.
Wet: A change in state of a wet contact input after the timer has started.
Figure 5 Timer Start and Stop Inputs
Note:
1. Voltage level from 24 to 255Vac/dc is considered as voltage “ON” status. Voltages less
than 5Vac/dc is considered as “OFF” status. This input is not polarity sensitive.
2. Dry contact input detect contact closed (shorted) or contact opened.
