Date Code 20010518
Database
9-15
SEL-2020 Instruction Manual
Table 9.7: Local Element Definitions
Element Description
CMD1
User-defined command number one received flag.
CMD2
User-defined command number two received flag.
.
.
.
.
.
.
CMD8
User-defined command number eight received flag.
SBO1
Select-before-operate register one flag. Pulsed by writing AAh then 55h to
register 0819h within 1.0 second of each other.
SBO2
Select-before-operate register two flag. Controlled by register 081Ah.
SBO3
Select-before-operate register three flag. Controlled by register 081Bh.
SBO4
Select-before-operate register four flag. Controlled by register 081Ch.
CTS
Follows the state of CTS input.
XOFF
Set when port has been disabled by remote device using XOFF character.
INAC
Set when port is inactive.
UMB
Data present in unsolicited message buffer flag.
D1
Auto-message one trigger.
D2
Auto-message two trigger.
.
.
.
.
.
.
D12
Auto-message twelve trigger.
ARCH1
Archive one auto-message trigger.
ARCH2
Archive two auto-message trigger.
ARCH3
Archive three auto-message trigger.
MSET
Set while Math/Move equations executing.
DLY1
Auto-message one trigger overrun flag.
DLY2
Auto-message two trigger overrun flag.
.
.
.
.
.
.
DLY12
Auto-message twelve trigger overrun flag.
DLYA1
Archive one auto-message trigger overrun flag.
DLYA2
Archive two auto-message trigger overrun flag.
DLYA3
Archive three trigger overrun flag.
DLY
Logical OR of DLY1-12 and DLYA1-3.
BR1
Local latch result which may be associated with Breaker 1.
BR2
Local latch result which may be associated with Breaker 2.
.
.
.
.
.
.
BR16
Local latch result which may be associated with Breaker 16.
Summary of Contents for SEL-2020
Page 8: ......
Page 10: ......
Page 12: ......
Page 18: ......
Page 23: ...5 Figure 2 SEL 2020 Front and Rear Panels ...
Page 33: ...15 Figure 6 SEL 2020 Panel Cutout and Drill Plan for Panel Mount Models ...
Page 38: ......
Page 152: ......
Page 154: ......
Page 178: ......
Page 244: ......
Page 246: ......
Page 256: ......
Page 258: ......
Page 272: ......
Page 274: ......
Page 296: ......
Page 298: ......
Page 304: ......
Page 308: ......
Page 336: ......
Page 338: ......
Page 344: ......
Page 352: ......
Page 446: ......
Page 470: ......