Schweitzer Engineering SEL-351P, Quick Start Manual

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10-44 Serial Port Communications and Commands Date Code 990430
SEL-351P Manual Técnico
FEEDER 2101
Active Group = 2
==>
The SEL
OGIC
Control Equations Group Selector Switch elements, SS1 through SS6, have
priority over the GRO command in active setting group control. If any of the Group Selector
Switch elements, SS1 through SS6, are asserted (logical 1), the Group n Command has no affect
on the active group setting. For example, assume setting Group 1 is the active setting group and
the SS1 setting is asserted to logical 1 (e.g, SS1 = IN1 and optoisolated input IN1 is asserted).
An attempt to change to setting Group 2 with the GRO 2 command is not accepted:
==>GRO 2 <ENTER>
No group change (see manual)
Active Group = 1
==>
For more information on setting group selection, see Multiple Setting Groups in Section 7:
Inputs, Outputs, Timers, and Other Control Logic .
OPE Command (Open Breaker)
The OPE (OPEN) command asserts Relay Word bit OC for 1/4 cycle when it is executed.. You
can program Relay Word bit OC into the TR (Trip conditions) SEL
OGIC
Control Equation (see
Figure 1.19) to assert the TRIP Relay Word bit, and, in turn, to assert an output (RCTR = TRIP;
see Figure 7.29) to trip a recloser.
See the Trip Logic subsection in Section 5: Trip and Target Logic for more information
concerning Relay Word bit OC and its recommended use.
To issue the OPE command, enter the following:
=>>OPE <ENTER>
Open 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 OPE command is supervised by the main board Breaker jumper (see Table 2.4 and
Table 2.5). If the Breaker jumper is not in place (Breaker jumper = OFF), the SEL-351P does
not execute the OPE command and responds:
Aborted: No Breaker Jumper