Product Overview

The Yokogawa KS1-10*B is a high-integrity signal interface cable engineered for the seamless interconnection of I/O modules within the CENTUM series Distributed Control Systems (DCS). Featuring a robust 40-pin to 40-pin configuration, this 10-meter cable facilitates the accurate transmission of critical process data between terminal boards and I/O units. In complex industrial environments—such as large-scale power plants and chemical processing facilities—maintaining signal purity is essential. The KS1-10*B utilizes advanced multi-conductor shielding to eliminate cross-talk and electromagnetic interference, ensuring that analog and digital signals reach the controller without distortion.

This cable plays a vital role in high-precision monitoring, where even minor signal attenuation could lead to process inaccuracies. Its industrial-grade construction supports long-distance routing within control rooms and marshalling cabinets, providing a reliable link that maintains the E-E-A-T standards of your automation architecture. By securing the data path from field-side termination to the control logic, the KS1-10*B safeguards the stability of your entire process loop.

Technical Configuration

The KS1-10*B utilizes Yokogawa's standardized nomenclature to define its functional capacity and physical style for rapid identification in engineering drawings.

Model Suffix Breakdown

• KS1: Designates the primary Signal Cable series equipped with 40-pin high-density connectors at both ends, designed for Yokogawa’s FIO and standard I/O architectures.

• -10: Indicates the fixed physical length of the cable. The "10" specifies a 10-meter (approximately 32.8 feet) span, which is the standard choice for bridging distant marshalling racks and control cabinets.

• *B: Refers to "Style B." This style code confirms the specific manufacturing revision and internal wiring layout, ensuring full compatibility with Style B or newer interface modules and terminal blocks.

Technical Specifications

Installation Guide

To ensure long-term reliability and signal accuracy, engineers must follow these installation protocols for the KS1-10*B:

Connector Seating

Verify the orientation of the 40-pin connector before insertion. Once seated, tighten the securing screws or latches to prevent mechanical loosening. In high-vibration environments, loose connectors are the primary source of intermittent signal "noise" or I/O failure alarms.

Bend Radius and Strain Relief

Observe a minimum bending radius of 60 mm. Sharp kinks in a 10-meter cable can damage the internal copper strands or compromise the shielding layer. Use integrated strain relief bars in the marshalling cabinet to support the cable's weight, preventing tension on the module’s backplane.

Signal Separation

Maintain physical distance between the KS1-10*B and high-voltage AC cables. Even with internal shielding, long cable runs (10m) are susceptible to inductive coupling if routed alongside power lines. Use dedicated low-voltage cable trays wherever possible.

Engineering Advantages

The KS1-10*B offers extreme durability in harsh industrial atmospheres. The cable jacket is constructed from flame-retardant, chemical-resistant materials that protect against the corrosive vapors often found in petrochemical refineries. Its gold-plated pin contacts prevent micro-oxidation, ensuring that low-voltage signals remain clear for years of service. Unlike generic interface cables, this genuine Yokogawa component is specifically balanced for the impedance requirements of the CENTUM DCS, preventing signal reflection and ensuring that your system diagnostic tools provide accurate feedback on the health of your I/O loops.

Delivery and Logistics

We prioritize rapid delivery to support your system maintenance and project commissioning schedules.

• Delivery Time: 3-5 days when payment finish.

• Shipping Carriers: Worldwide express delivery via DHL, FEDEX, or UPS.

• Packaging: Shipped in original factory-sealed anti-static packaging to ensure connector integrity.

Technical FAQs

Q1: Can I use the KS1-10*B with Style A modules?

A1: Generally, Style B cables are backward compatible with Style A interface components, but always verify your specific I/O module datasheet to ensure pin-map alignment.

Q2: Is this cable suitable for 4-20mA analog signals?

A2: Yes, the KS1-10*B is the standard cable for connecting 40-pin analog I/O modules to terminal boards for 4-20mA signal transmission.

Q3: Can the cable be shortened if the 10-meter length is too long?

A3: We do not recommend cutting or field-terminating Yokogawa signal cables as this compromises the factory-tested shielding and impedance. If a shorter length is needed, we recommend the KS1-05 (5m) model.

Q4: How does the cable handle high humidity in tropical environments?

A4: The KS1-10*B features a sealed connector housing and an industrial-grade jacket designed to resist moisture ingress and oxidation, maintaining performance up to 95% non-condensing humidity.