1.21
Date Code 20120126
Instruction Manual
SEL-2032 Communications Processor
Introduction and Specifications
Functions
MEM
The
MEM
command indicates the status of the RAM, Shared RAM,
EEPROM, and Flash memory pools. You can use this to determine if you are
in danger of running out of memory.
Data Parsing Options
The SEL-2032 database stores data that are parsed, or separated, into the
smallest useful items. Parsing data in the SEL-2032 reduces communication
and processing burdens for other devices or systems that use these data by
permitting them to request and transfer only the specific data they need.
“20” Message Response
The SEL-2032 automatically parses data that are recognized. These data are
requested using the “20” message format. The type of response will depend on
the attached device's capability. If it has Fast Meter capability, the responses to
20METER messages are in binary format and the responses to 20DEMAND
and 20TARGET messages may also be in a binary format.
Non-“20” Message Response
Message responses that are not recognized as SEL data can be ignored or
parsed by one of five techniques:
ASCII Integer (Parse = 1).
Parses numbers only.
ASCII Float (Parse = 2).
Parses numbers only, including decimal points.
Character String (Parse = 3).
Retains all characters.
Integer String (Parse = 4).
Stores each pair of received bytes in a register,
most-significant-byte first.
Integer String with XON/XOFF encoding (Parse = 5).
Same as Integer
String except special 2-byte encoding sequences are used to represent XON
(11h) and XOFF (13h) characters.
Flexible Parsing (Parse = 6).
Parses received bytes based on the DECODE
equation. This option is especially useful when the incoming data
types can be either numbers or text.
Network Gateway
The SEL-2032 has two plug-in slots where you can install protocol cards. This
allows the SEL-2032 to connect up to 16 serial devices to two high-speed
networks. Contact SEL or check our Web site at www.selinc.com for
information on available network cards.
The SEL-2032 also supports virtual terminal connections through the optional
communications card slots. For example, with an SEL-2701 Ethernet
Processor installed, Ethernet users can establish Telnet sessions through the
card, issue a
PORT
command, and communicate with an IED connected to
the SEL-2032.
Summary of Contents for SEL-2032
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