Description
The Yokogawa AIP121-S00 is an analog input module designed for deployment within Yokogawa CENTUM CS, CENTUM CS 3000, and related distributed control system (DCS) architectures. It acquires, conditions, and converts multi-channel analog process signals from field transmitters into high-resolution digital values for real-time monitoring and control execution.
Technical Specifications
| Parameter | Value |
| Manufacturer | Yokogawa Electric Corporation |
| Product Type | Analog Input Module |
| Model Code / Suffix | AIP121-S00 (Standard Basic Version) |
| System Compatibility | CENTUM CS, CENTUM CS 3000 |
| Channel Count | 8 or 16 channels (variant dependent; verify with OEM datasheet) |
| Input Signal Types | 4 to 20 mA DC, 1 to 5 V DC, 0 to 10 V DC |
| A/D Conversion Resolution | 16-bit |
| Measurement Accuracy | \pm 0.05\% to \pm 0.1\% of full scale |
| Isolation | Galvanic isolation between channels and system bus |
| Operating Voltage | 24 V DC nominal (supplied via node rack backplane) |
| Operating Temperature | 0 to +60°C |
| Weight | Approx. 0.6 kg |
Availability and Commercial Terms
- Condition Options: New Original (Factory Sealed), New Surplus, or Refurbished (fully bench-tested)
- Lead Time: 1 to 3 business days for stock items; 2 to 4 weeks for specialized factory sourcing
- 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
- Signal Loop Protection: The module features internal channel-to-channel isolation to prevent cross-talk and mitigate common-mode noise across long industrial signal runs.
- Open-Circuit Detection: For 4–20 mA current loops, the module flags channel error bits back to the controller node if input values drop below live-zero thresholds due to severed wiring or transmitter failure.
- Shielding and Grounding: Terminate all analog signal cable shields strictly at the cabinet marshalling ground bar to maintain noise immunity and protect sensitive internal measurement circuitry.
Frequently Asked Questions
What is the distinction between the AIP121-S00 and later revision suffixes like S1 or S2?
Suffix codes (-S00, -S1, -S2) typically designate hardware revision improvements, specific conformal coating variants (such as anti-corrosion treatments for harsh environments), or compliance with updated regional safety standards. Always verify exact part code string matches against your station hardware inventory.
Can the AIP121-S00 module be replaced while the node is powered?
Hot-swap capabilities depend entirely on the physical base rack architecture and system software configuration of your CENTUM node. Verify whether your node supports online module extraction to prevent unexpected process loop disruptions or controller trips.
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