4.205
Date Code 20170814
Instruction Manual
SEL-700G Relay
Protection and Logic Functions
Logic Settings (SET L Command)
Word bit SCnnQD to assert (SCnnQD := logical 1), and the Relay Word bit
SCnnQU to deassert (SCnnQU := logical 0).
Output Contacts
The SEL-700G provides the ability to use SEL
OGIC
control equations to map
protection (trip and warning) and general-purpose control elements to the
outputs. In addition, you can enable fail-safe output contact operation for relay
contacts on an individual basis.
If the contact fail-safe is enabled, the relay output is held in its energized
position when relay control power is applied. The output falls to its de-
energized position when control power is removed. Contact positions with de-
energized output relays are indicated on the relay chassis and in Figure 2.11
and Figure 2.12.
When TRIP output fail-safe is enabled and the
TRIP
contact is appropriately
connected (see Figure 2.15), the breaker is automatically tripped when relay
control power fails.
M
IRRORED
B
ITS
Transmit SEL
OGIC
Control Equations
Communications and SEL-700G Settings
Sheets for details.
Table 4.61
Control Output Equations and Contact Behavior Settings
Setting Prompt
Setting Range
Setting Name := Factory Default
OUT101 FAIL-SAFE
Y, N
OUT101FS := Y
OUT101
SEL
OGIC
OUT101 := HALARM OR SALARM
OUT102 FAIL-SAFE
Y, N
OUT102FS := N
OUT102
SEL
OGIC
OUT102 := 0
OUT103 FAIL-SAFE
Y, N
OUT103FS := N
OUT103
SEL
OGIC
OUT103 := TRIPX
a
OUT103 := 0
b
a
Default setting shown applies to all models except basic SEL-700GT.
b
Default setting shown applies to basic SEL-700GT models.
•
•
•
•
•
•
•
•
•
OUT401 FAIL-SAFE
Y, N
OUT401FS := N
OUT401
SEL
OGIC
OUT401 := 0
OUT402 FAIL-SAFE
Y, N
OUT402FS := N
OUT402
SEL
OGIC
OUT402 := 0
OUT403 FAIL-SAFE
Y, N
OUT403FS := N
OUT403
SEL
OGIC
OUT403 := 0
OUT404 FAIL-SAFE
Y, N
OUT404FS := N
OUT404
SEL
OGIC
OUT404 := 0
•
•
•
•
•
•
•
•
•
NOTE:
When an output contact is not
used for a specific function, you must
set the associated SEL
OGIC
control
equation to either 0 or 1.
NOTE:
Fast hybrid contacts are
designed for fast closing (50
s) only.
Fail-safe mode operating time (time to
open the contacts) for fast hybrid
contacts is <8 ms (the same time as
for a normal output contact).
NOTE:
Four digital outputs in Slot
D
are shown. The outputs in Slots
C
and
E
have similar settings.
Содержание SEL-700G Series
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