Date Code 20010625
Line Current Differential Communications
10-49
and Serial Port Communications and Commands
SEL-311L Instruction Manual
See the
Set Close
discussion, following Figure 6.1, for more information concerning Relay Word
bit CC and its recommended use, as used in the factory settings.
To issue the
CLO
command, enter the following:
==>CLO <ENTER>
Close Breaker (Y/N) ? Y <ENTER>
Are you sure (Y/N) ? Y <ENTER>
==>
Typing
N
<ENTER>
after either of the above prompts will abort the command.
The
CLO
command is supervised by the main board Breaker jumper (see Table 2.5). If the
Breaker jumper is not in place (Breaker jumper = OFF), the relay does not execute the
CLO
command and responds:
Aborted: No Breaker Jumper
GRO
n
Command (Change Active Setting Group)
The
GRO
command displays the active settings group. The
GRO
n
command changes the
active setting group to setting Group
n
. To change to settings Group 2, enter the following:
==>GRO 2
Change to Group 2
Are you sure (Y/N) ? Y <ENTER>
Changing
Active Group = 2
==>
The relay switches to Group 2 and pulses the ALARM contact. If the serial port AUTO
setting = Y, the relay sends the group switch report:
==>
SEL-311L Date: 10/13/99 Time: 10:12:45.627
EXAMPLE: BUS B, BREAKER 3
Active Group = 2
==>
If any of the SEL
OGIC
control equations settings SS1 through SS6 are asserted to logical 1, the
active setting group may not be changed with the
GRO
command. SEL
OGIC
control equations
settings SS1 through SS6 have priority over the
GRO
command in active setting group control.
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