Configuring Digital Inputs - Satec expertmeter EM720 Operation Manual

Chapter 5 Configuring the EM720

Configuring Digital Inputs

Parameter
Pulse input mode
Pulse polarity
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The EM720 has four embedded digital inputs (DI1 to DI4)
and supports up to two expansion 2DI/2DO modules with a
total of 4 digital inputs (DI5 to DI8). I/O numbers are
automatically assigned
connection. If you insert an I/O module into another slot
position and do not change its order, then all digital inputs on
the module retain their I/O numbers.
To configure the digital inputs in your meter, select General
Setup from the Meter Setup menu, and then click on the
Digital Inputs tab. Digital inputs that are not present in your
meter are not shown.
The available options are shown in the following table.
Options Default
PULSE MODE PULSE
MODE
KYZ MODE
NORMAL (N.O.) NORMAL
INVERTING
(N.C.)
to the inputs in the
Pulse mode: either leading, or trailing
edge of the input pulse is recognized as
an event.
KYZ mode: both leading and trailing
edges of the input pulse are recognized
as separate events.
Normal polarity: the open to closed
transition is considered a pulse.
Inverting polarity: the closed to open
transition is considered a pulse. It has no
meaning in KYZ mode where both
transitions are effective.
EM720 Power Quality and Revenue Meter
General Meter Setup
order
Description
of