32 S&C Instruction Sheet 681-530
Programming the Control Settings
Trip Mode, Interrupter 1 and Interrupter 2
The Trip Mode setting con gures the interrupting setting for the available interrupting
ways (Interrupter 1 and Interrupter 2) of the overcurrent control. There are three trip
modes available for Vista Underground Distribution Switchgear:
• Single-Phase Trip/Single-Phase Lockout
• Single-Phase Trip/Three-Phase Lockout
• Three-Phase Trip/Three-Phase Lockout
STEP 1. Select a Trip Mode setting from the Trip Mode menu:
(a) Select the Single-Phase Trip/Single-Phase Lockout mode if the
interrupting way is equipped with single-pole fault interrupters. See
Figure 29. When the Single-Phase Trip/Single-Phase Lockout setting
is set, phase A, B, and C can be con gured independently, and only the
affected phase will trip and lockout in response to an event.
(b) Select the Single-Phase Trip/Three-Phase Lockout mode if the
interrupting way is equipped with single-pole fault interrupters. See
Figure 29. When the Single-Phase Trip/Three Phase Lockout setting is
set, the Time Overcurrent Phase Protection settings on the interrupter
page are con gured using the settings listed under Phase A. All three phases
will trip and lockout in response to an event.
(c) Select the Three-Phase Trip/Three-Phase Lockout mode if the
interrupting way is equipped with three-pole fault interrupters. See
Figure 29. When the Three-Phase Trip/Three-Phase Lockout setting is
selected, the Time Overcurrent Phase Protection settings in the
interrupter page are con gured using the settings listed under Phase B. All
three gang-operated phases will trip and lockout in response to an event.
STEP 2.
Figure 29. Select the Trip Mode setting for Interrupter 1 and Interrupter 2 from the Global Settings
Menu.
Click on the Save button and check for success con rmation message.
To Next Page
Loading...
