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Analog Inputs; E.3.4 Analog Inputs - GE UR Series Instruction Manual

Line differential relay.
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APPENDIX E
The following table lists Analog Inputs (Object 30). It is important to note that 16-bit and 32-bit variations of Analog Inputs
are transmitted through DNP as signed numbers. Even for analog input points that are not valid as negative values, the
maximum positive representation is 32767. This is a DNP requirement.
The deadbands for all Analog Input points are in the same units as the Analog Input quantity. For example, an Analog Input
quantity measured in volts has a corresponding deadband in units of volts. This is in conformance with DNP Technical Bul-
letin 9809-001 Analog Input Reporting Deadband. Relay settings are available to set default deadband values according to
data type. Deadbands for individual Analog Input Points can be set using DNP Object 34.
When using the UR in DNP systems with limited memory, the ANALOG INPUT POINTS LIST below may be replaced with
a user-definable list. This user-definable list uses the same settings as the Modbus User Map and can be configured with
the MODBUS USER MAP settings. When used with DNP, each entry in the Modbus User Map represents the starting Mod-
bus address of a data item available as a DNP Analog Input point. To enable use of the Modbus User Map for DNP Analog
Input points, set the
USER MAP FOR DNP ANALOGS
ÖØ
menu). The new DNP Analog points list can be checked via the "DNP Analog Input Points List"
TIONS
DNP PROTOCOL
webpage, accessible from the "Device Information menu" webpage.
After changing the
USER MAP FOR DNP ANALOGS
ting to take effect.
NOTE
Only Source 1 data points are shown in the following table. If the
data points for subsequent sources will be added to the list immediately following the Source 1 data points.
Units for Analog Input points are as follows:
Current:
A
Voltage:
V
Real Power:
W
Reactive Power:
var
Apparent Power:
VA
Energy
Wh, varh
Static (Steady-State) Object Number: 30
Change Event Object Number: 32
Request Function Codes supported: 1 (read), 2 (write, deadbands only), 22 (assign class)
Static Variation reported when variation 0 requested: 1 (32-Bit Analog Input)
Change Event Variation reported when variation 0 requested: 1 (Analog Change Event w/o Time)
Change Event Scan Rate: defaults to 500 ms.
Change Event Buffer Size: 800
Default Class for all Points: 1
GE Power Management
setting to Enabled (this setting is in the
setting, the relay must be powered off and then back on for the set-
NUMBER OF SOURCES IN ANALOG LIST
Frequency:
Angle:
Ohm Input:
RTD Input:
L90 Line Differential Relay
E.3 DNP POINT LISTS

E.3.4 ANALOG INPUTS

ÖØ
PRODUCT SETUP
COMMUNICA-
setting is increased,
Hz
degrees
Ohms
degrees C
E
E-15

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L90

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