18 GE INFORMATION D20MX INSTRUCTION MANUAL
CHAPTER 1: BEFORE YOU START
A068N 311 Modbus DPA Capable of communicating with one or more
master stations using the MODBUS protocol
(RTU & ASCII modes).
A078N 610 SEL Gateway DCA for
D20MX
A sub-master within a SCADA system,
controlling SEL relay equipment using SEL's
ASCII character-based relay protocol
A083-0 342 Calculator DTA Convenient and flexible soft logic utility that
can perform applications such as substation
level interlocking, feeder interlocking, and
converting digital inputs to control outputs for
driving a map board
A088-0 203 Substation Maintenance
DTA
Allows status and analog input values to be
suppressed for maintenance purposes.
A101-0N 906 IEC 870-5-101 DPA for
D20MX
Communicate with one or more hosts using the
IEC 60870-5-101/104 (T101) protocol. Has the
ability to function as several distinct IEC 60870-
5-101/104 RTUs. Supports the unbalanced
version of the data link.
A104-0N 124 Alarm Grouping DTA for
the D20MX
Provides DI points each representing a group
alarm. The group alarm is generated when the
number of DI points in the alarm state exceed
the group threshold value.
001 A113N 301 PSR DCA for D20MX Programmable Synchrocheck Relay (PSR) DCA
acts as a data concentrator for several remote
PSRs. The DCA and remote PSRs function as a
remote synchronous closure controller.
A118 103 Failover DTA Allows configurable combination of control
requests to result in a failover or switchover of
a redundant system.
A121-0 200 Automatic Frequency
Selection DTA
Provides AI points each derived from an
Automatic Selection Method (ASM). An ASM
selects the highest priority valid frequency
measurement from a group of AI points.
A123-0 111 NGC General DTA Generates control lockout indications, digital
input suppression or unsupression indications,
and control active indications.
A131-0 131 MODBUS TCP/IP DCA Provides an interface to Sub-Remote Units
(SRUs) using the MODBUS protocol over the
TCP/IP communication layer.
A135-0 110 MODBUS TCP/IP DPA Provides communications with one or more
master station using the MODBUS protocol
over TCP/IP communication layer.
A161-0 301 Secondary Master Trip/
Close DTA
Translates control requests into conventional
trip/close operations in conjunction with
secondary control operations to be used as a
Secondary Master Trip or Close.
A184-0 120 General Alarm DTA Takes several alarms and groups them
together under one General Alarm.
001 A185-0N 303 W18979 DPA for D20MX Emulates the Landis & Gyr 8979 RTU.
Communicates with multiple master stations,
over redundant communication lines.
A186-0 213 Western Power
Distribution (WPD) DTA
Calculates power from monitored voltage,
current, and phase angle. Also, performs time
integrated analog averaging, relative to the top
of the hour.
A193-0 302 Top of the Hour Analog
Averaging DTA
Performs time integrated analog averaging,
relative to the top of the hour.
001 A194-0 101 Cooper 2179 DCA Monitors and controls Cooper devices using
the Cooper 2179 protocol.
A195-0 110 Redundant I/O DTA Provides I/O point redundancy.
License
Group
D20MX
Application ID
Base D20 Classic
Application Version †
Application Name Description
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