Product Details
Product Overview
The Yokogawa KS1-20 acts as a high-integrity signal transmission bridge between I/O modules and terminal boards within the CENTUM series architecture. This 40-to-40 pin interface cable handles multi-channel analog and digital data routing with minimal signal attenuation. Engineered for long-distance cabinet-to-cabinet patching, this cable ensures seamless communication across the process control network. We supply this product as 100% Brand New, ensuring factory-certified conductivity and insulation for mission-critical applications.
Part Number Breakdown
The KS1 series follows a modular nomenclature to define connector type, length, and hardware revision:
| Code Segment | Specification | Description |
| KS1 | Model | Signal Cable with 40-40 pin configuration |
| -20 | Length | Specifies a cable length of 20 meters |
| *B | Style | Style B hardware revision for optimized shielding |
Technical Specifications
The KS1-20 provides a robust physical link designed to withstand the rigors of industrial cabinet environments.
-
Manufacturer: Yokogawa
-
Interface Type: 40-pin to 40-pin connectors
-
Cable Length: 20 Meters (Maximum standard length)
-
Style Code: Style B (Current revision)
-
Application: Connects I/O modules to terminal units or power distribution boards
-
Signal Type: Multi-core signal transmission
-
Condition: 100% Brand New and Original
Engineering Advantages
The KS1-20 addresses critical wiring challenges in large-scale plant deployments:
-
Extended Reach for Remote Racks: The 20-meter length permits flexible positioning of terminal boards relative to the CPU or I/O rack. This solves the problem of rigid cabinet layouts and allows engineers to centralize field wiring in separate enclosures.
-
High-Density Connector Design: The 40-pin interface consolidates multiple signal loops into a single assembly. This reduces cable clutter, simplifies cable management, and significantly cuts down on labor hours during system commissioning.
-
Signal Cross-talk Suppression: The Style B revision incorporates improved internal twisting and shielding techniques. These features reject electromagnetic interference (EMI) from nearby power cables, maintaining the accuracy of sensitive 4-20mA analog loops.
-
Secure Connection Locking: The industrial-grade connectors include mechanical fastening mechanisms. This prevents accidental disconnection caused by vibration or cable strain, ensuring 24/7 process uptime.
FAQs
Can I cut the KS1-20 to a shorter length in the field?
We strongly advise against field modifications. Yokogawa factory-terminates these cables with precision-molded connectors and rigorous continuity testing. Altering the cable length manually voids the warranty and risks signal integrity issues due to improper shielding termination.
How does Style B differ from the original Style A?
Style B represents a hardware improvement in materials and shielding effectiveness. While typically backward compatible with Style A applications, Style B offers superior mechanical durability and better resistance to environmental degradation in harsh industrial atmospheres.
What is the minimum bend radius for the KS1-20?
During installation, technicians must maintain a bend radius of at least six times the cable diameter. Sharp bends can damage the internal 40-core structure, leading to intermittent signal failure or permanent conductor breakage.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.
Essential Best Practices for PLC Wiring and Installation in Industrial Automation
Successful control system deployment begins with thoroughly reviewing manufacturer technical documentation. Controllers from major brands like Allen-Bradley, Siemens, and Schneider Electric feature unique terminal layouts. Engineers must verify voltage requirements before connecting power cables to prevent catastrophic equipment damage. Standard line connections require strict adherence to regional electrical codes and proper wire color coding. Furthermore, panel builders should always establish a robust low-impedance ground connection using at least 16-AWG copper conductor tied directly to the main plant grounding grid.