Specifications

Introduction 1-29
NO
COM
Control Bit = High (1)
NO
COM
Control Bit = Low (0)
Form A relay only has two contacts : NO (Normal Open) and COM(
Common). The COM post can make contact either NO post or not
contact NO post. When the control bit is high (1), the COM post and
NO post are contacted. If the control bit is low (0), the COM post and
NO post does not make contact.
In normal power-up and reset, the relay is in low status.