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Allen Bradley 1747-ASB AB 1747-ASB Rockwell Manufacturer

Depending on the installation, a hot-spare Module may already be installed, or a module blank will be installed in the standby slot. If a hot-spare Module is already installed, transfer to the Standby Module occurs automatically when a Module fault is detected in the Active Module. If a hot-spare is not installed, the system continues operating from the Active Module until a spare Module is installed.

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