Schweitzer Engineering Laboratories SEL-352-1 - Control Equations; Ogic

Date Code 20010731 Setting the Relay 7-11
SEL-352-1, -2 Instruction Manual
Setting
Name
Description Setting Range
86BF Trip and Reset Logic Settings (See Section 5: Control Logic)
M86T Trip
Equation
Trip equation for elements that trip the lockout
relay. Typical settings are protection logic
failure bits.
SELOGIC control equation
50MD MOD Operating Current 0.1–45.0 A sec (5 A I
nom
)
0.02–9.00 A sec (1 A I
nom
)
0.01-A steps
TRLOG 86BF Trip and Reset Logic OFF, 1, 2, CUSTOM
M2pu 62M2 Timer Pickup Time defines amount of
time for breaker failure clearing
0–8191 cyc
0.125-cyc steps
M3pu 62M3 Timer Pickup Time defines amount of
time for MOD tripping
0–8191 cyc
0.125-cyc steps
Event Report Trigger (See Section 10: Event Report and SER)
MER Event Report triggering equation SELOGIC control equation
Output Contacts (SELOGIC Control Equations)
OUT101–
OUT316
Programmable output contacts. Use SELOGIC
control equations to make the output contacts
close for the desired conditions.
SELOGIC control equation
Display Points (SELOGIC Control Equations)
DP1–DP16 Programmable display points. Use SELOGIC
control equations to control text display.
SEL
OGIC control equation
Table 7.5: SET G (Global) Command Settings
Setting
Name
Description Setting Range
Selector Switch One and Two Settings (See Section 5: Control Logic)
SS1 Programmable input number 1 for controlling the
setting group variable
SELOGIC control equation
SS2 Programmable input number 2 for controlling the
setting group variable
SELOGIC control equation
A-, B-, C-Phase and Three-Pole Trip (See Section 5: Control Logic)
TRIPA Programmable input that defines an A-phase trip
initiation receive
SELOGIC control equation
TRIPB Programmable input that defines a B-phase trip
initiation receive
SELOGIC control equation