Chapter 5 Configuring the PM135 General Meter Setup
84 PM135 Powermeter Series
Setpoints), or can be linked to general pulse counters to count incoming
pulses (see Configuring Counters). They can also be linked to the
Billing/TOU registers to count pulses from external wattmeters or gas and
water meters.
Using PAS
Select General Setup from the Meter Setup menu, and then click on the
Digital Inputs tab.
Figure 5-8: General Setup Dialog Box – Digital Inputs Dialog Box
The available options are shown in Table 11.
Table 11: Digital Input Options
In pulse mode, either leading, or
trailing edge of the input pulse is
recognized as an event. In KYZ
mode, both leading and trailing
edges of the input pulse are
recognized as separate events.
NORMAL (N.O.),
INVERTING (N.C.)
For the normal polarity, the open
to closed transition is considered
a pulse. For the inverting polarity,
the closed to open transition is
considered a pulse.
It has no meaning in KYZ mode
where both transitions are used.
The amount of time while the
state of the digital input should
not change to be recognized as a
new state. Too low debounce time
could produce multiple events on
the input change.
The debounce time is applied the same for all digital inputs. If you change
the debounce time for a digital input, the same debounce time is
automatically assigned to the others.
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