Redundant Processing Engine for Mission-Critical DCS Applications
The AFS10S/AFG10S function as duplexed field control units within the CENTUM VP and CS 3000 DCS ecosystems . These units execute deterministic control logic while maintaining continuous process uptime through dual-redundant architectures . They interface directly with Remote I/O nodes via the Vnet/IP control network and RIO bus . This design effectively eliminates single points of failure in mission-critical industrial environments.
Technical Specifications
The table below details the key technical parameters for these duplexed field control units.
| Parameter | AFS10S / AFG10S Specification |
|---|---|
| Processor | VR5432 RISC, 133 MHz |
| Main Memory | 32 MB (AFG10S) / 16 MB (AFS10S) |
| Memory Backup | Battery maintains data for up to 72 hours; recharge time is 48 hours minimum |
| Power Input Options | 100-120 V AC, 220-240 V AC, or 24 V DC |
| Power Consumption (AC) | 250 VA (100-120 V or 220-240 V) |
| Power Consumption (DC) | 4.5 A (24 V DC input) |
| Network Interface | Dual-redundant Vnet/IP and RIO bus |
| Max. Connectable Nodes | 8 nodes |
| Mounting | 19-inch rack mountable (8×M5 screws) |
| Weight | Approx. 19 kg |
| Contact Output Rating | 30 V DC, 0.3 A maximum |
| FCU Status Contact | 2 terminals (NC, C); contacts open during FCU failure |
Hardware Architecture and System Integration
The AFS10S/AFG10S offer flexible power input configurations to match various plant infrastructures . Both units support dual-redundant configurations across processors, power supplies, and communication paths for enhanced reliability . They are compatible with RIO (Remote I/O) and FIO (Field I/O) module families . The battery-backed memory ensures data retention for up to 72 hours during power interruptions . For installations in hazardous locations, you can order variants with explosion protection and ISA Standard G3 options .
Details
| Weight | 0.7 kg |
|---|---|
| Dimensions | 2.5 × 20.3 × 15.2 mm |
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