American Power Conversion 250 A - Manual (Page 46)

ATS/Voltage
36 InfraStruXure Power Generation System
ATS Blocking • Transfer Blocking: Defines conditions that will prevent the ATS from transferring
from Source 1 to Source 2. The following is displayed on the Transfer Blocking screen:
– Block Transfer: Lists configured input contacts that will prevent a transfer from
occurring.
– Map: Choose from the following input contacts to block a transfer:
C1: Contact 1
C2: Contact 2
C3: Contact 3
C4: Contact 4
– Apply Now: After you have made changes on this screen, choose this option and
press E NTER to save your changes.
• Retransfer Blocking: Defines conditions that will prevent the ATS from transferring
from Source 2 to Source 1. The following is displayed on the Retransfer Blocking
screen:
– Block Retransfer: Lists configured input contacts that will prevent a retransfer from
occurring.
Map: Choose from the following input contacts to block a retransfer:
C1: Contact 1
C2: Contact 2
C3: Contact 3
C4: Contact 4
– Apply Now: After you have made changes on this screen, choose this option and
press E NTER to save your changes.
• Gen Start Blocking: Defines input contacts that will prevent the generator from
starting because of a line failure:
– Block Gen Start: Lists configured input contacts that will prevent the generator from
starting.
– Map: Choose from the following input contacts to block the generator from starting:
C1: Contact 1
C2: Contact 2
C3: Contact 3
C4: Contact 4
– Apply Now: After you have made changes on this screen, choose this option and
press E NTER to save your changes.
Other Settings • S1 Name: Create a unique name for Source 1 (maximum of 9 characters). The default
is Utility.
• S2 Name: Create a unique name for Source 2 (maximum of 9 characters). The default
is Generator.
• Preferred: Displays the preferred source (Source 1).