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Electro Industries/Gauge Tech
Doc # E134-7-15 V1.01
A-2
Channel:
The storage of a single value in each interval in a load profile.
CRC Field:
Cyclic Redundancy Check Field (Modbus communication) is an error checksum
calculation that enables a Slave device to determine if a request packet from a
Master device has been corrupted during transmission. If the calculated value
does not match the value in the request packet, the Slave ignores the request.
Demand:
The average value of power or a similar quantity over a specified period of
time.
Demand Interval:
A specified time over which demand is calculated.
Device Name:
Unique per device name starting with the four digit numeric identification for
the firmware (EIF Number).
Device Reset:
Asks the device to reset, reinitializing Programmable Settings from the I
2
C
EEPROM.
Display:
User-configurable visual indication of data in a meter.
DNP 3.0:
A robust, non-proprietary protocol based on existing open standards. DNP 3.0
is used to operate between various systems in electric and other utility industries
and SCADA networks.
EEPROM:
Nonvolatile memory. Electrically Erasable Programmable Read Only Memory
that retains its data during a power outage without need for a battery. Also
refers to meter’s FLASH memory.
Energy/Pulse:
The amount of Primary Energy required to produce a pulse (pair of transitions).
Energy Register:
Programmable record that monitors any energy quantity. Example: Watthours,
VARhours, VAhours.
Ethernet:
A type of LAN network connection that connects two or more devices on a
common communications backbone. An Ethernet LAN consists of at least one
hub device (the network backbone) with multiple devices connected to it in a
star configuration. The most common versions of Ethernet in use are 10BaseT
or 100BaseT as defined in IEE standards. However, several other versions of
Ethernet are also available.
Exception Response:
Error Code (Modbus communication) transmitted in a packet from the Slave to
the Master if the Slave has encountered an invalid command or other problem.
Form:
Wiring and Hookup configuration for the Nexus 1262/1272.
Harmonics:
Measuring values of the fundamental current and voltage and percent of the
fundamental.
Summary of Contents for I/O Module
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