This read-write integer enables or disables Rectifier Sequencing for the Dc1 plant, a feature that likely staggers when individual rectifiers turn on rather than starting them all simultaneously. An admin would enable this to reduce the surge load on the AC input when the plant recovers from an outage and multiple rectifiers would otherwise start at once. For example, an admin managing a plant on a shared generator circuit might enable sequencing so rectifiers restart one at a time instead of causing a combined startup surge.