Overview
The Yokogawa AFG20S is a field control unit used in CENTUM VP / RIO systems. It performs control processing, manages I/O communication, and provides system diagnostics within an industrial control network.
General Information
Part Number: AFG20S
Manufacturer: Yokogawa
Country: Japan
Series: AFG / Field Control Station
Type: Field Control Unit
Mounting: Cabinet-mounted industrial controller
Power Specifications
Supply Voltage: 24 V DC
Power Consumption: Up to 300 VA typical
Protection: Over-current and internal protection circuits
Communication & Interface
Bus Type: V-net and RIO communication
Diagnostics: Continuous self-diagnostics, memory backup monitoring
Reset Features: Supports software and hardware reset
Memory & Processing
Main Memory: 32 MB
Backup: Battery backup, memory retention up to 72 hours
Environmental
Operating Temperature: 0 to +50 °C
Humidity: 10–90% RH, non-condensing
Protection Rating: IP20 (cabinet installation)
Dimensions & Weight
Dimensions (L × W × H): 207 × 265.9 × 482.6 mm
Weight: 8 kg



