IBA ibaLink-SM-128V communication module
IBA ibaLink-SM-128V
The ibaLink-SM-128V is a high-performance communication module designed by iba AG to bridge the gap between various automation systems and the ibaPDA monitoring environment.
This specific module acts as a SM-V (Symmetric Multi-Processing – VMEbus) interface, enabling seamless, high-speed data acquisition from legacy or specialized VME-based control systems.
By utilizing fiber optic technology, it ensures interference-free data transmission over long distances, making it a staple in heavy industrial environments like steel mills and power plants where electrical noise is a constant challenge.
Technical Parameter Table
| Parameter | Specification |
| Model Name | ibaLink-SM-128V |
| Manufacturer | iba AG |
| Bus System | VMEbus (Standard 19-inch rack) |
| Data Buffer | 128 KB (Dual-Port RAM) |
| Fiber Optic Link | 3.125 Gbit/s (depending on hardware revision) |
| Transmission Distance | Up to 2000m (Multi-mode fiber) |
| Input Voltage | +5V DC (Internal VMEbus supply) |
| Connector Type | ST Connectors (Optical) |
| Operating Temp | 0°C to +50°C |
| Update Rate | Up to 1 ms |
Product Advantages and Features
Galvanic Isolation: The fiber optic connection provides complete electrical isolation between the control system and the acquisition PC, preventing ground loops.
High-Speed Throughput: Optimized for high-frequency sampling, ensuring that even the most rapid transients in a process are captured without loss.
Minimal CPU Load: The module handles data packetizing and synchronization hardware-side, meaning the host VME system’s CPU remains focused on control tasks.
Bidirectional Data: While primarily used for data acquisition, it supports bidirectional communication for setpoint transmission or feedback loops.
Robust Industrial Design: Built to withstand the vibration and thermal fluctuations common in industrial racks.
Unique Product Description
ibaLink-SM-128V
The ibaLink-SM-128V is the “industrial translator” for the VMEbus era.
It transforms complex, proprietary internal control data into a stream of actionable insights. Unlike standard network cards, the 128V utilizes a dedicated 128 KB Dual-Port RAM architecture, allowing the ibaPDA system to “peek” into the controller’s memory without interrupting the process cycle. It is the gold standard for engineers who require microsecond-precise synchronization across distributed systems.
Related Models & Same Series
The ibaLink family includes several modules tailored to different bus systems and protocols:
ibaLink-SM-64-io: Compact version for digital/analog I/O integration.
ibaLink-SM-128-i-2o: Enhanced memory model with specific input/output configurations.
ibaLink-VME-xxx: Specific variations for different VME address mapping requirements.
ibaLink-PCIE: For modern PC-based control integration.
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Application Cases
Steel Rolling Mills: Monitoring motor torque, strip tension, and hydraulic pressures in real-time to prevent cobbles and ensure quality.
Power Plant Control: Capturing high-speed vibration data from turbines and synchronizing it with electrical grid parameters.
Paper Industry: Tracking high-speed paper machine web tension and moisture profiles across long distances.
Legacy System Retrofitting: Upgrading old VME-based PLCs with modern diagnostic capabilities without changing the original PLC code.
Installation and Maintenance
Installation
Slot Assignment: Insert the module into a free VMEbus slot (ensure the power is OFF).
Addressing: Set the base address using the onboard DIP switches (refer to the specific manual for your VME environment).
Optical Link: Connect the fiber optic cables (TX/RX) to the ibaFOB card in the recording PC.
Software Setup: Configure the module within ibaPDA by selecting the appropriate link type and address range.
Maintenance
Fiber Inspection: Periodically clean the ST connectors with isopropyl alcohol to prevent signal attenuation.
LED Status: Monitor the “Link” LED on the front panel; a solid green indicates a healthy connection, while blinking indicates a synchronization error.
Firmware: Ensure the module is compatible with your current ibaPDA versio