Electrical & Automation – Thiết Bị Điện Tự Động Hóa
S900 is a remote I/O system for mounting directly in the field and hazardous areas.
S900 provides all input and output modules needed for intrinsically safe field signal connection. The field signals are amplified in every S900 functional module, electrically isolated, and then output via an internal serial bus. A communication interface converts the digitized signals to adapt them to the standardized PROFIBUS DP-V1 fieldbus protocol. Supervisory process control systems, DCS or SCADA systems use an intrinsically safe fieldbus to communicate with the communication interface.
A single fieldbus network suffices for configuring the individual fieldbus nodes, for cyclic data exchange, for all acyclic services, and for communication with HART®-compatible field instruments. All functional modules can be replaced easily and quickly in the installation or maintenance phase. The functional modules and the – optionally redundant – communication interfaces of systems can be removed and plugged in while operation is running. This does not affect the communication of the remaining modules, even if being placed in hazardous areas such as Zone 1 or Zone 2. Only the primary power for the plug-in type power supply modules requires increased safety EEx-e.
Integrated encapsulated switch-off mechanisms allow for hotswapping, i.e. the power supply units can be replaced without interrupting the primary power. Due to its little space requirements, the robust design and its environmentally ruggedized case, the cost-saving I/O system S900 is the best solution for use on site, especially in hazardous areas such as Zone 1 or Zone 2
CTY TNHH CTI SUPPLY
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