Date Code 990430 Configuration, Fast Meter, and Fast Operate Commands D-9
SEL-351P Manual Técnico
A5E3 Fast Operate Breaker Control
The external device sends the following message to perform a fast breaker open/close:
Data
Description
A5E3 Command
06 Length
1-byte Operate code:
31 - OPEN breaker
11 - CLOSE breaker
1-byte Operate Validation: 4 ⋅ Operate code + 1
checksum 1-byte checksum of preceding bytes
The relay performs the specified breaker operation if the following conditions are true:
1. Conditions 1-5 defined in the A5E0 message are true.
2. The breaker jumper (JMP6) is in place on the SEL-351P main board.
ID Message
In response to the ID command, the relay sends the firmware ID, relay TID setting, and the
Modbus device code as described below.
<STX>"FID STRING ENCLOSED IN QUOTES","yyyy"<CR>
"TID SETTING ENCLOSED IN QUOTES","yyyy"<CR>
30, "yyyy"<CR>
<ETX>
where <STX> is the STX character (02)
<ETX> is the ETX character (03)
yyyy is the 4-byte ASCII hex representation of the checksum for each line.
The ID message is available from Access Level 1 and higher.
DNA Message
In response to the DNA command, the relay sends names of the Relay Word bits transmitted in
the A5D1 message. The first name is associated with the MSB, the last name with the LSB.
These names are listed in the Relay Word Bits table in Section 9: Setting the SEL-351P
Recloser Control. The DNA command is available from Access Level 1 and higher.
The DNA message for the SEL-351P is:
<STX>
"LED10","LED11","LED12","LED13","LED14","LED15","LED16","LED17","yyyy"
"LED18","LED19","LED20","LED21","LED22","LED23","LED24","LED25","yyyy"
"50A1","50B1","50C1","50A2","50B2","50C2","50A3","50B3","yyyy"
"50C3","50A4","50B4","50C4","50AB1","50BC1","50CA1","50AB2","yyyy"
"50BC2","50CA2","50AB3","50BC3","50CA3","50AB4","50BC4","50CA4","yyyy"
"50A","50B","50C","51P1","51P1T","51P1R","51N1","51N1T","yyyy"
"51N1R","51G1","51G1T","51G1R","51P2","51P2T","51P2R","51N2","yyyy"
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