ASTRO RB Series Modules RB-614C

Technical Dossier

Product Details And Specifications

ASTRO RB Series Technical Notes

The Evolution of RB Series Architecture

The ASTRO RB Series was developed as a modular backplane-based control platform, designed for deterministic real-time process control. Early-generation RB modules utilized parallel backplane communication with proprietary ASTRO bus protocols, providing high-speed synchronous data exchange between CPU, I/O, and communication adapter modules. As industrial automation standards evolved through the 1990s and 2000s, the RB Series incorporated compatibility layers for PROFIBUS-DP and Modbus RTU, extending the platform's integration capability with third-party field devices and SCADA systems.

RB Series Full Catalog & Functionalities (SKU List)

The following catalog covers verified ASTRO RB Series module part numbers, classified by functional category. All models listed represent genuine ASTRO components with documented application in industrial DCS environments.

Controller & CPU Modules

• RB-100: Central processing unit, primary rack controller module
• RB-110: Enhanced CPU module with expanded memory addressing
• RB-120: Redundant CPU module for high-availability process control
• RB-200: Coprocessor module for arithmetic-intensive control loops

Digital I/O Modules

• RB-300: 16-channel digital input module, 24VDC logic level
• RB-310: 16-channel digital output module, relay contact type
• RB-320: 32-channel digital input module, high-density configuration
• RB-330: 32-channel digital output module, transistor sink type
• RB-340: Mixed DI/DO module, 8-channel input / 8-channel output

Analog I/O Modules

• RB-400: 8-channel analog input module, 4–20mA / 0–10V configurable
• RB-410: 4-channel analog output module, 4–20mA isolated
• RB-420: 16-channel analog input module, high-resolution 16-bit ADC

Communication & Interface Modules

• RB-500: PROFIBUS-DP master communication adapter module
• RB-510: Modbus RTU/ASCII serial communication module
• RB-520: Ethernet TCP/IP communication interface module
• RB-600: Operator interface bus adapter, rack-to-terminal link
• RB-610: Keyboard and peripheral controller interface module
• RB-614C: External keyboard controller, operator workstation interface adapter

Power Supply Modules

• RB-700: 24VDC rack power supply module, 10A rated output
• RB-710: Redundant power supply module, hot-swap capable
• RB-720: AC/DC power converter module, 115/230VAC input

Quality Control for the RB Series Range

ASTRO RB Series modules employ a proprietary backplane bus architecture with specific electrical timing requirements between slots. DriveKNMS applies a multi-stage quality control protocol for all RB Series units processed through its facility. Each module undergoes visual inspection for backplane connector pin integrity, capacitor condition assessment, and PCB trace continuity verification. Functional testing is performed using dedicated ASTRO-compatible rack test fixtures that replicate live backplane bus conditions, allowing active verification of module communication handshake, I/O channel response, and power rail stability under load.