5.6
SEL-2032
Communications Processor
Instruction Manual
Date Code 20120126
Message Strings
Predefined Strings
EXAMPLE 5.2
Parsing Sequences
The following are examples of using special parsing sequences in
strings:
CMD1="In the\XX/"
The CMD1 bit will assert whenever a string that begins with "In
the" is received at the SEL-2032 Port set with this user-defined
message.
WRITE="W\Pa/@\Aa/=\Dh/"
Creates a write command that the SEL-2032 uses to recognize
data in a special format. In this example, the string containing the
data must begin with a W, followed by a Port number, an @
symbol, a database address, an = character, and finally the data.
For instance, to write 0 (zero) to Port 8, address F800h, you
would have to send the string "W08@F800=0000" to the
SEL-2032.
Predefined Strings
When working with SEL relays, the SEL-2032 includes some predefined
strings you can use in SET A auto-messages to collect data. The SEL-2032
also includes four predefined strings you can enter as
SET U
user-defined
commands to recognize automatic messages sent from an SEL relay.
lists the predefined strings you can use on auto-configured SEL IED ports for
data collection (SET A MESG
x
lists other predefined
strings that are available regardless of the port type.
lists predefined strings you can use on SEL IED ports to watch for
unsolicited messages (relay auto-messages).
Table 5.3
Special Parsing Sequences for Strings
Character
Comments
\A
t
/
Register address. For READ and WRITE settings only.
t
specifies the address format.
b = binary (2 bytes).
a = ASCII-hexadecimal (4 digits).
\D
t
/
Data item. For WRITE setting only.
t
specifies the data format.
b = binary word (2 bytes).
h = ASCII-hexadecimal word (4 digits).
c = binary bytes (1 byte).
g = ASCII-hexadecimal byte (2 digits).
\P
t
/
Port number. For TRANS, READ, and WRITE settings only.
t
specifies the Port number format.
b = binary (1 byte).
a = ASCII-hexadecimal (2 digits).
\X[X]/
Ignore character. \X/ indicates ignore one character. \XX/ indicates ignore
all characters following until the next defined character is encountered.
Содержание SEL-2032
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