KS1-20*B Yokogawa CENTUM 40-Pin Shielded I/O Signal Cable

Availability: 10 left in stock

Yokogawa KS1-20*B CENTUM Series Signal Cable The Yokogawa KS1-20*B, also cataloged as the Yokogawa KS1 Signal Cable, operates as a...

SKU: KS1-20

Manufacturer: Yokogawa
Product No.: KS1-20
Product Type: Signal Cable Assemblies
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa KS1-20*B CENTUM Series Signal Cable

The Yokogawa KS1-20*B, also cataloged as the Yokogawa KS1 Signal Cable, operates as a dedicated hardware component for control and monitoring signal transmission within CENTUM VP, CS 3000, and ProSafe-RS Safety Instrumented System platforms. The multi-core assembly routes discrete and analog interface data from system I/O modules directly to localized terminal blocks. By deploying factory-terminated connector matrices, the interconnect layout establishes point-to-point electronic paths that preserve signal tracking across processing nests without generating internal circuit termination variances.

Suffix Breakdown & Model Matrix

Model: KS1 – Specifies the baseline 40-pin to 40-pin multi-core signal cable architecture.
Suffix: -20 – Defines the specific cable length parameter within the product series line.
Style Code: *B – Indicates Style B manufacturing updates, physical configuration revisions, and structural layer standardization.

Hardware Specifications

Parameter	Specification
Model	KS1-20*B
Brand	Yokogawa
Origin	Japan
Weight	2.0 kg (Total shipping mass package rating)
Dimensions	Length: 20 m maximum specification limit
Operating Temp	-20 to 70 deg C
Power Consumption	0 W (Passive structural component)
Connector Type	40-pin to 40-pin MIL standard pin array
Conductor Material	Tinned copper multi-core elements
Insulation Type	Cross-linked polyethylene (XLPE) matrix
Shielding Topology	Aluminum foil wrap combined with braided copper shield
Nominal Voltage	300 V nominal rating limit

Channel-to-Channel Isolation and Process Control Routing

The passive signal matrix works in tandem with the channel-to-channel isolation circuits built into the matching Yokogawa analog I/O cards. The aluminum foil and braided copper dual-shielding layers protect adjacent twisted pairs from high-frequency electrostatic noise and inductive cross-talk generated by nearby switching relays. This design controls electrical noise coupling down the length of the run, keeping loop values accurate for low-voltage 4-20 mA HART loop protocol lines. The cross-linked polyethylene insulation retains high dielectric capacity across the runtime operating band, preventing current leakage from shifting the precision measurements backplane processors read.

Frequently Asked Questions

Q: What are the restrictions regarding live separation or disconnection of the 40-pin connector array during operations?

A: Technicians must avoid live separation while the connected control loops are active. Uncoupling the MIL connector drops all 40 concurrent physical channels instantly, forcing dependent I/O loops out of normal operation and immediately triggering safety shutdowns or system interlock actions.

Q: How does structural grounding interface with the internal cable shielding?

A: The dual-layer shield mesh drains noise to the chassis through the connector grounding tabs. Technicians must connect the corresponding terminal block chassis frame directly to the dedicated instrument ground bus bar inside the enclosure to stop ground potential shifts between separate racks.

Field Installation Guidelines

Inspect the 40-pin receptacle surfaces on both cable ends to check for bent or recessed pins before beginning physical installation. Align the factory-molded keyways on the MIL standard plug straight with the connector headers on the I/O baseplate, then push the connector body in firmly until the side retention latches click shut. Route the cable through dedicated low-voltage instrument ducts, maintaining a separation distance of at least 30 cm from high-power AC lines to suppress electrical cross-talk. Secure the assembly at regular intervals using non-metallic fast-straps, keeping the dynamic path loops above the minimum specified bend radius to prevent stress on the tinned copper conductors inside the PVC jacket.

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