ABB Bailey INNIS11 Infi-Net to Node Communication Interface. The INNIS01 Network Interface Slave Module (NIS) and the INNPM11 Network Processing Module (NPM) make up a process control unit interface. This process control unit interface provides control modules in a process control unit with access to an INFI-NET communication system.
ABB Bailey INNIS11 Infi-Net to Node Communication Interface
The process control unit interface has the following features:
• INFI-NET provides a plant wide communication network.
• INFI-NET provides time synchronization across the control system plant wide.
• Each node, depending on configuration, can operate independently of other INFI-NET nodes.
• The process control unit interface modules provide localized start-up/shutdown on power failure without operator intervention.
• The ten-megabaud communication rate gives timely information exchange.
• The NPM module packages process information for maximum transmission efficiency.
• The process control unit interface modules handle four message types: broadcast, time synchronization, multicast and NIS poll.
• All messages contain cyclic redundancy check codes (CRC) and checksums to insure data integrity.
ABB Bailey INNIS11 Infi-Net to Node Communication Interface
ABB Bailey INNIS11 Infi-Net to Node Communication Interface
ABB Bailey INNIS11 Infi-Net to Node Communication Interface
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