Arbiter Systems 931A, Operation Manual

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3.7.1 Connecting the Inputs
The two timer inputs are labeled “A” and “B”, with one black terminal
and one red terminal for each input. Apply AC or DC input signals to
either channel without regard to polarity.
NOTE: In contact closure or opening mode, external voltage should not
be applied to the inputs; only DRY contacts should be used.
3.7.2 Configuring the Timer
Press the CONFIG key to invoke the timer configuration menu, which will
be similar in appearance to the following:
Select timer functions using the arrow keys; highlight the desired item
and press ENTER to confirm the selection. The following sections describe
the individual selections from this menu.
3.7.2.1 Select Timer Function
Select Function from the Timer Configuration menu and press ENTER to
view the following display:
ˆ
“ Time A to B ” configures the timer circuitry to display the time
elapsed between a valid trigger for the “A” input and a valid trigger
for the “B” input.
ˆ
“ Time A For X Counts ” configures the timer to display the time
elapsed between a valid trigger for the “A” input and the Xth valid
trigger for the “A” input.
ˆ
“ Time Width of A ” sets the timer circuitry to measure the
duration of the triggering event on the “A” input.
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