10.35
Date Code 20060320 Instruction Manual SEL-311C Relay
Serial Port Communications and Commands
Command Explanations
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 2.4). 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 n command changes the active setting group to setting Group n. To
change to settings Group 2, enter the following:
==>GRO 2 <Enter>
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-311C POTT Date: 10/13/99 Time: 10:12:45.627
EXAMPLE: BUS B, BREAKER 3
Active Group = 2
==>
If any of the SELOGIC 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.
For example, assume setting Group 1 is the active setting group and the SS1
setting is asserted to logical 1 (e.g., SS1 = IN101 and optoisolated input IN101
is asserted). An attempt to change to setting Group 2 with the GRO 2
command will not be accepted:
==>GRO 2 <Enter>
No group change (see manual)
Active Group = 1
==>
For more information on setting group selection, see Multiple Setting Groups
on page 7.19.
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