3.65
Date Code 20171006 Instruction Manual SEL-400 Series Relays
Basic Relay Operations
Operating the Relay Inputs and Outputs
Step 1. Prepare to control the relay at Access Level 2.
a. Using a communications terminal, type ACC <Enter>.
b. Type the Access Level 1 password and press <Enter>.
You will see the Access Level 1 => prompt.
c. Type 2AC <Enter>.
d. Type the correct password to go to Access Level 2.
You will see the Access Level 2 =>> prompt.
Step 2. Access the local control settings.
a. Type SET F <Enter>.
b. Repeatedly type > and then <Enter> to advance through the
front-panel settings until you reach the Local Control category.
Figure 3.58 shows a representative terminal screen.
Step 3. Type LIST <Enter> at the Local Control ? prompt to list the active
control points.
This example assumes that you are using no local bits, so the relay
returns you to Line 1 followed by the settings
? prompt.
Step 4. Type LB03,“5 MVA XFMR Fans”,ON,OFF,N <Enter> at the Line
? prompt.
The relay checks that this is a valid entry and responds with the next
line prompt
2: followed by the settings ? prompt.
Step 5. End the settings session.
a. Type END <Enter>.
The relay displays a readback of all the front-panel settings,
eventually displaying the
Save settings (Y,N) ? prompt. (In
Figure 3.58 a vertical ellipsis represents the readback.)
At the end of the readback information, just before the
Save settings
(Y,N) ?
prompt, you can see the new local bit information.
b. Type Y <Enter> to save your new settings.
Step 6. Set OUT105 to respond to Local Bit 3.
a. Type SET O OUT105 <Enter> (see Figure 3.59).
b. At the
? prompt, type LB03 <Enter>.
c. At the next
? prompt, type END <Enter>.
d. When prompted to save settings, type Y <Enter>.
Local Control
(Local Bit, Local Label, Local Set State, Local Clear State, Pulse Enable)
1:
? LIST <Enter>
1:
? LB03,"5 MVA XFMR Fans",ON,OFF,N <Enter>
2:
? END <Enter>
•
•
•
Local Control
(Local Bit, Local Label, Local Set State, Local Clear State, Pulse Enable)
1: LB03,"5 MVA XMFR Fans","ON","OFF",N
Save settings (Y,N) ? Y <Enter>
Saving Settings, Please Wait...........
Settings Saved
=>>
Figure 3.58 Using Text-Edit Mode Line Editing to Set Local Bit 3
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