Features and benefits
• Redundancy (Power and Communication)
• Hot Configuration in Run
• Hot Swap functionality
• Extended Diagnostic
• Excellent configuration and diagnostics via FDT/DTM
• G3-coating for all components
• Simplified maintenance with auto-diagnostics
• Fieldbus protocol PROFIBUS DP-V1 (IEC 61158)
• Coupling of the internal CAN bus to external PROFIBUS
• HART over PROFIBUS DP-V1
• Line or media redundancy via two coupling modules
• Electrical isolation between fieldbus, power
• Diagnosis, configuration and parameterization via PROFIBUS

The remote S900 I/O system can be installed in non-hazardous
areas or directly in Zone 1 or Zone 2 hazardous area depending on
the selected system variant. S900 I/O communicates with the
control system level using the PROFIBUS DP standard. The I/O
system can be installed directly in the field, therefore the costs for
marshalling and wiring are reduced.
The system is sturdy, error-tolerant and easy to service. Integrated
disconnection mechanisms allow replacement during operation,
meaning that there is no need to interrupt the primary voltage in
order to exchange the power supply units.
S900 I/O type N. For installation in safe (= non-hazardous) area.
CI920AN Communication Interface V 2.1 (CIPBA), for Fieldbus
protocol PROFIBUS DP-V1 (IEC 61158). Use only CI920AN with the
same firmware for redundancy for PROFIBUS DP-V1 (observe
Release Notes).
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