AKB335-1 AKB335-2

The Yokogawa AKB335 is a high-reliability bus interface communication module developed to support stable and deterministic data exchange within Yokogawa distributed control environments. As a critical infrastructure component inside CENTUM-based systems, the AKB335 ensures synchronized communication between control processors and field I/O networks.

Designed for long-term industrial deployment, this module reflects Yokogawa’s engineering philosophy of operational continuity, signal stability, and system scalability. It is particularly well-suited for large-scale process facilities where uninterrupted communication and precision control are essential for maintaining productivity and safety.

Technical Specifications

Parameter	Specification
Model	AKB335
Product Category	Bus Interface Communication Module
System Compatibility	CENTUM VP / CS3000 / ProSafe-RS
Communication Function	Control bus and field network interface
Mounting Type	Rack-mounted (backplane connection)
Power Supply	Supplied via system backplane
Power Consumption	Approx. 5 W
Operating Temperature	0°C to 55°C
Storage Temperature	−20°C to 70°C
Humidity	10–90% RH (non-condensing)
Dimensions (L × W × H)	130 × 32 × 177 mm
Weight	0.38 kg

Recommended Related Models

Yokogawa AKB331 Bus Interface Module
Yokogawa AKB336 High-Speed Communication Module
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Yokogawa ADV151 Digital Input Module
Yokogawa AIP502 Power Supply Module

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Yokogawa CP451 Processor Module
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Typical Applications

The AKB335 is typically deployed in:

Oil & gas upstream and downstream facilities
Petrochemical processing plants
Thermal and combined-cycle power stations
Pharmaceutical production environments
Continuous manufacturing industries

In these applications, the module maintains structured communication across distributed control layers, contributing to consistent data flow and reliable automation performance.

Key Advantages

Deterministic Communication Stability
Ensures accurate and timely signal exchange between control and I/O layers.

Engineered for Continuous Operation
Supports 24/7 industrial workloads in demanding environments.

System-Level Compatibility
Fully aligned with Yokogawa DCS architecture, minimizing integration complexity.

Compact Footprint
Optimizes rack space while maintaining high communication efficiency.

Long-Term Operational Value
Designed to support extended lifecycle strategies common in large industrial plants.

Technical FAQs

1. What is the primary function of the AKB335 module?
It serves as a communication interface module within Yokogawa distributed control systems.

2. Which systems are compatible with AKB335?
It integrates with CENTUM VP, CS3000, and ProSafe-RS platforms.

3. Does it require an external power source?
No, it receives power directly from the system backplane.

4. Is the module suitable for redundant configurations?
Yes, it can be used within redundant DCS architectures.

5. What environmental conditions does it support?
Standard industrial cabinet environments within specified temperature and humidity ranges.

6. How is the module installed?
It is inserted into a compatible rack slot and connected through the backplane.

7. Does it directly handle analog signals?
It facilitates communication between signal-processing modules rather than directly handling field signals.

8. What industries commonly use this module?
Energy, petrochemical, manufacturing, pharmaceuticals, and utilities.

9. How does it enhance system reliability?
By maintaining stable and synchronized communication across distributed components.

10. What makes the AKB335 a dependable choice?
Its industrial-grade design, compatibility with established Yokogawa systems, and consistent communication performance.

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