Description
The Yokogawa ATK4A-00 is a 16-channel signal interface and terminal adapter designed for deployment within Yokogawa CENTUM VP and CENTUM CS 3000 distributed control system environments. It mounts directly onto field control I/O modules (such as analog and digital card front interfaces) to convert dense module connections into standardized KS-series pre-fabricated multi-core cables, bridging field marshalling panels and system hardware.
Technical Specifications
| Parameter | Value |
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | KS Cable Interface Adapter / Signal Terminal Block |
| System Compatibility | CENTUM VP, CENTUM CS 3000 (FIO I/O modules like AAI141, ADO141) |
| Channel Capacity | 16 channels (analog and digital signal support) |
| Cable Connection | Standard Yokogawa KS-series multi-core cable interface (MIL 40-pin connector) |
| Environmental Protection | Conformal coating options available (ISA Standard G3 corrosion resistance compliance on specific variants) |
| Mounting Type | Direct plug-in front mounting onto compatible Yokogawa I/O card connectors |
| Operating Temperature | 0 to +55°C (standard industrial cabinet limits) |
| Enclosure Material | Industrial-grade engineering plastic housing with low-resistance brass contacts |
Availability and Commercial Terms
- Condition: New Original (Factory Sealed) or New Surplus / Refurbished (fully tested)
- Lead Time: 1 to 3 business days for stock items; 2 to 4 weeks for factory-sourced or specialized inventory
- Warranty: 12-month standard replacement warranty from date of shipment
- Pricing Note: Listed price is indicative, not final. Price subject to market conditions; contact us for a firm quote.
Engineering and Integration Notes
In field marshalling cabinet retrofits and expansions, the ATK4A-00 replaces traditional hand-wired terminal blocks with a plug-and-play architecture, significantly reducing cabinet wiring footprints and installation labor.
- Signal Integrity: The 16-channel integrated layout maintains low contact resistance to minimize signal attenuation and voltage drop across long analog loops. Ensure proper shielding termination at the cabinet ground bar to prevent electromagnetic interference (EMI).
- Installation Safety: Always isolate and power down the corresponding I/O rack 24 V DC supply before plugging or unplugging the adapter from the module face to prevent transient spikes or bus communication faults.
- Module Matching: Verify that the target I/O card model (e.g., current, voltage, or discrete digital cards) maps cleanly to the pinout configuration of the ATK4A-00 using the system engineering drawing before pulling cable schedules.
Frequently Asked Questions
What is the primary purpose of the ATK4A-00 adapter?
The ATK4A-00 serves as a bridge adapter that attaches to the front of Yokogawa I/O cards, allowing 16 channels of field signals to interface cleanly via a single standardized KS pre-formed cable rather than complex individual wire runs.
Is the ATK4A-00 compatible with older legacy CENTUM CS systems?
While primarily engineered for FIO cards in CENTUM VP and CS 3000 architectures, physical and electrical compatibility with legacy racks depends on the specific backplane module type. Verify part numbers against your system hardware manual or OEM data sheet prior to installation.
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