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

by IA. .