
Application Scenarios
In a refinery control room, a Yokogawa CENTUM VP system required reliable signal routing between I/O modules and marshalling panels within the same cabinet row. Space constraints and cable management requirements made longer cables impractical, while signal integrity demanded a shielded, precision-engineered solution.
The project engineers selected the Yokogawa KS1-02*B for its 2-meter length, which provided sufficient reach for adjacent cabinet connections without creating excess cable slack that could interfere with airflow or maintenance access. Each Yokogawa KS1-02*B connected a 40-pin I/O module port to its corresponding terminal board, ensuring clean, organized wiring within the control cabinet.
During commissioning, the Yokogawa KS1-02*B demonstrated stable signal transmission across all 40 channels with minimal crosstalk, even in an environment with multiple variable frequency drives operating nearby. The cable‘s shielding effectively prevented electromagnetic interference from affecting critical analog input signals from field transmitters. For safety-critical loops, the /NL option version of the Yokogawa KS1-02*B was deployed to support CSA Non-Incendive instrumentation requirements, providing an additional layer of compliance for the refinery’s hazardous area management plan.
Parameter
| Parameter | Value/Description |
|---|---|
| Product Model | Yokogawa KS1-02*B |
| Manufacturer | Yokogawa Electric Corporation |
| Product Category | Signal Cable (40-40 pins) |
| Cable Length | 2 meters |
| Style Code | *B (Style B) |
| Connector Type | 40-pin to 40-pin |
| Signal Type | Analog/digital mixed signal transmission |
| Compatibility | CENTUM VP, CENTUM CS 3000, ProSafe-RS |
| Terminal Board Compatibility | AEA3D, AEA4D, AET4D, A1BA4D, A1BT4D |
| I/O Module Compatibility | SAI143, SAI533, SAV144 (with option codes) |
| Operating Temperature | -20°C to +70°C |
| Option Code | /NL – Supports CSA Non-Incendive instrumentation |





