Technical Overview

The KS1-20*A is a high-density multi-core signal interconnect cable designed for Yokogawa industrial automation systems, including CENTUM and ProSafe-RS platforms. It provides a reliable electrical interface between I/O modules and terminal boards or marshaling panels.

Configured with 40-pin to 40-pin high-density connectors, the cable ensures low-impedance signal transmission and stable data integrity, even in electrically noisy process environments.

Detailed Specifications

Application

• Connection between I/O modules and terminal boards (e.g. TEA series)

• Interfacing I/O units to marshaling racks

• Cross-cabinet or cross-room signal routing in control rooms

• CENTUM and ProSafe-RS redundant I/O architectures

Operational Characteristics

• Designed for stable signal transmission over extended distances

• Suitable for environments with electrical noise and temperature variation

• 20 m length optimized for large control panels and separated cabinets

• Supports redundant system layouts when used in paired configurations

Common Technical Questions

Can the KS1-20*A be used outdoors?
The cable supports a wide temperature range but should be installed in conduits or cable trays to protect the PVC sheath from UV exposure and moisture, unless additional environmental protection is provided.

What does the “-20*A” designation mean?
“-20” specifies the 20-meter cable length, while “*A” identifies the connector version/standard used for modern Yokogawa I/O interfaces.

Is the KS1-20*A suitable for redundant I/O systems?
Yes. In redundant configurations, two KS1-20*A cables are typically used to connect paired I/O modules to their respective terminal assemblies.