DH-485 Network The DH-485 communication network allows devices on the plant floor to share
information. Via the network, application programs can:
monitor process and device parameters and status, including fault and
alarm detection.
perform data acquisition.
perform supervisory control functions.
upload/download PLC programs over the network.
The network offers connection to up to 32 nodes, token passing access control, and
the ability to add or remove nodes without disrupting

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