Schweitzer Engineering Laboratories SEL-321 - Table 2.17: Remote Bit Summary (SEL-321-1 Relay Only)

Date Code 20011026 Specifications 2-33
SEL-321/321-1 Instruction Manual
Table 2.17: Remote Bit Summary (SEL-321-1 Relay Only)
Element Comment
RB8
RB7
RB6
RB5
RB4
RB3
RB2
RB1
Remote Bit 8
Remote Bit 7
Remote Bit 6
Remote Bit 5
Remote Bit 4
Remote Bit 3
Remote Bit 2
Remote Bit 1
RB16
RB15
RB14
RB13
RB12
RB11
RB10
RB9
Remote Bit 16
Remote Bit 15
Remote Bit 14
Remote Bit 13
Remote Bit 12
Remote Bit 11
Remote Bit 10
Remote Bit 9
Table 2.18 lists intermediate elements V, W, X, Y, and Z, which can be defined with SELOGIC
control equations. The XT, YT, and ZT elements are time delayed pickup and dropout
representations of X, Y, and Z, respectively. Use these variables in multiple masks or output
equations, or when a general purpose timer is required.
Table 2.18: Intermediate Elements (SEL-321-1 Relay Only)
TAR Elements
28
ZT Z YT Y XT X W V
Table 2.19: Intermediate Element Summary (SEL-321-1 Relay Only)
Element Comment
ZT
Z
YT
Y
XT
X
W
V
SEL
OGIC control equations Z Equation Output, Time Delayed
SEL
OGIC control equations Z Equation Output, Instantaneous
SEL
OGIC control equations Y Equation Output, Time Delayed
SEL
OGIC control equations Y Equation Output, Instantaneous
SEL
OGIC control equations X Equation Output, Time Delayed
SEL
OGIC control equations X Equation Output, Instantaneous
SEL
OGIC control equations W Equation Output, Instantaneous
SEL
OGIC control equations V Equation Output, Instantaneous
Table 2.20 lists internal elements. With the exception of MER, MTO, MTU, and MTCS, these
elements are available for testing purposes and are not available for SEL
OGIC control equations.
Use SEL
OGIC control equations to define MER, MTO, MTU, and MTCS. MER controls
triggering of event reports. MTO, MTU, and MTCS establish tripping conditions.