Date Code 20010518 Settings 6-33
SEL-2020 Instruction Manual
Table 6.14: Set U User-Defined Command Settings
Setting Comment
CMD_EN
Prompt. Enable SEL-2020 Commands (Y/N).
Description. You enter N (No) to disable the SEL-2020 command set. This setting is
only available for Master ports.
CMD_CH
Prompt. Command termination character.
Description. You may define the command termination character with this entry. This
setting is only available if CMD_EN is set to N (No); it is forced to <CR> otherwise.
Changing this character from <CR> will disable prompting on this port.
CMD_CNT
Prompt. Number of general-purpose commands (0-8).
Description. You enter a number (0-8) to enable command strings (CMD1 through
CMD8). (0-4) on SEL IED and other IED ports.
Note: You may define up to eight command strings: CMD1 through CMD8.
CMD1 - 8
or
CMD1 - 4
Prompt. Command String 1 - 8 (see Table 6.12) or Command String 1 - 4 (see
Table 6.13).
Description. You enter the string that the SEL-2020 watches for to control the
associated CMD bit. Each string is limited to 40 characters.
STR_EN
Prompt. Enable use of special-purpose commands (Y/N).
Description. You set to Y (Yes) to enable use of the special-purpose user-defined
commands. For Master ports only.
TRANS
Prompt. Initiate transparent mode sequence.
Description. You define a character sequence which the SEL-2020 watches for to
initiate transparent communications. This setting is only available if STR_EN is set to Y
(Yes). Must include \P.../ port number string. This string is limited to 40 characters.
TRANSACK
Prompt. Transparent mode acknowledge.
Description. You define the response string the SEL-2020 uses if an entry into
transparent mode is successful. This setting is only available if STR_EN is set to Y
(Yes). This response string is limited to 1000 characters.
TRANSNACK
Prompt. Transparent mode denial.
Description. You define the response string the SEL-2020 uses if an entry into
transparent mode is unsuccessful. This setting is only available if STR_EN is set to Y
(Yes). This response string is limited to 1000 characters.
READ
Prompt. Read data.
Description. You define the character sequence the SEL-2020 watches for to perform a
data read operation. You must include \P../ and \A../ strings. This setting is only
available if STR_EN is set to Y (Yes). This string is limited to 40 characters.
READACK
Prompt. Read data normal response.
Description. You define the response string the SEL-2020 uses if a read operation is
successful. Must include \D.../ string. This setting is only available if STR_EN is set to
Y (Yes). This response string is limited to 1000 characters.
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