Section 7
1MAC050144-MB C
Control functions
492
615 series ANSI
Technical Manual
7.2.4.2
Shot initiation
Figure 265:
Example of an autoreclose program with a reclose scheme matrix
In the AR function, each shot can be programmed to locate anywhere in the reclose scheme
matrix. The shots are like building blocks used to design the reclose program. The building
blocks are called CBBs. All blocks are alike and have settings which give the attempt
number (columns in the matrix), the initiation or blocking signals (rows in the matrix) and
the reclose time of the shot.
The settings related to CBB configuration are:
• First...Seventh reclose time
• Init signals CBB1…CBB7
• Blk signals CBB1…CBB7
• Shot number CBB1…CBB7
The reclose time defines the open and dead times, that is, the time between the
OPEN_CB
and the
CLOSE_CB
commands. The
Init signals CBBx
setting defines the initiation
signals. The
Blk signals CBBx
setting defines the blocking signals that are related to the
CBB (rows in the matrix). The
Shot number CBB1…CBB7
setting defines which shot is
related to the CBB (columns in the matrix). For example, CBB1 settings are:
•
First reclose time
= 1.0s
•
Init signals CBB1
= 7 (three lowest bits: 000111 = 7)
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