Schweitzer Engineering Laboratories SEL-751 - Figure 8.19 CONTROL Menu and OUTPUTS Submenu; Figure 8.20 CONTROL Menu and LOCAL BITS Submenu

8.10
SEL-751 Relay Instruction Manual Date Code 20170927
Front-Panel Operations
Two-Line Display Front Panel
Select the Outputs menu item from the CONTROL menu as shown in
Figure 8.19 to test (pulse) SEL-751 output contacts and associated circuits.
Choose the output contact by navigating through the
OUTPUT menu, and test it
by pressing the ENT pushbutton. Note that testing the output contact requires
the breaker jumper to be enabled, Level 2 access, and reconfirmation.
Figure 8.19 CONTROL Menu and OUTPUTS Submenu
Select the Local Bits menu item from the CONTROL menu for local control
action. Local bits take the place of traditional panel switches and perform
isolation, open, close, or pulse operations.
With the settings as per the example in Section 4 (see Local Bits on page 4.201
for more information), local bit 1 replaces a supervisory switch. Figure 8.20
shows the screens in closing the supervisory switch. In this operation, local bit
LB01 is deasserted (SUPER SW = OPEN). It then changes to asserted
(SUPER SW = CLOSE) as shown in the final screen of Figure 8.20.
Figure 8.20 CONTROL Menu and LOCAL BITS Submenu
CONTROL
Open
Close
Outputs
Local Bits
OUTPUTS
OUT101
OUT102
OUT103
.
.
.
(Outputs Selected)
LOCAL BITS
SUPERV SW = OPEN
SUPERV SW = OPEN
CLOSE
CLOSE
YES No
S UPERV SW = CLOS E
OPEN
CONTROL
Open
Close
Outputs
Local Bits
(Local Bits Selected)
(SUPERV SW Selected)
(CLOSE Selected)
(Yes Selected)