The AIP121‑S2 from Yokogawa is a Remote I/O (RIO) Bus Interface Module used inCENTUM CS, CS1000, and CS3000 distributed control systems. It provides the communication link between the Field Control Unit (FCU) and remote I/O nodes, ensuring stable, high‑speed data transfer across the RIO network.
Technical Specifications
Parameter
Description
Model Number
AIP121‑S2
Product Type
RIO Bus Interface Module
System Compatibility
CENTUM CS / CS1000 / CS3000
Function
Connects FCU to Remote I/O bus
Communication
High‑speed RIO bus interface
Mounting
Standard Yokogawa I/O base
Application
Remote I/O communication and expansion
Construction
Industrial‑grade electronics with reinforced housing
Typical Weight
Approx. 1.0 kg
Application Scenarios
The AIP121‑S2 is commonly used for:
Linking remote I/O nodes to CENTUM controllers
Expanding I/O capacity in distributed control systems
High‑reliability process automation networks
Upgrading legacy Yokogawa RIO installations
FAQ
Q: What does the AIP121‑S2 do It provides the communication interface between the FCU and remote I/O modules via the RIO bus.
Q: Is it compatible with CENTUM VP It is primarily used in CS/CS1000/CS3000 systems; VP compatibility depends on configuration.
Q: Is it hot‑swappable Yokogawa modules typically support online replacement when used in redundant setups.
