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- Yokogawa
- AAV144-SM0
- Analog Input Module
- Japan
- 144 mm × 90 mm × 60 mm
- 1.5kg
- Xiamen, China
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Product Overview: Yokogawa AAV144‑SM0 (Inferred / Assumed Variant)
Since AAV144‑SM0 is not well documented, assume “SM0” is a suffix variant similar to “S00”, “S50”, etc. The assumptions will follow Yokogawa’s conventions for analog input modules in the AAV144 series.
Brand & Series
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Brand: Yokogawa
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Series: AAV144 analog input module series (Voltage Input Modules)
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Part of Yokogawa’s distributed control system (DCS) hardware lineup (Centum / VP / similar architectures)
Inferred Product Description
The AAV144‑SM0 is likely a 16‑channel isolated voltage input module designed to accept standard DC voltage signals (e.g. 1‑5 V, ‑10 to +10 V) from field sensors, transmitters, etc. It is intended to be mounted in Yokogawa racks or cabinets, in industrial process control and automation settings.
The “SM0” suffix could denote specific features: e.g. “Standard”, “Modified”, “Mounting version”, or an option for internal filtering, shielding, or terminal block configuration. It may be very similar to AAV144‑S00 but with slight hardware or configuration differences.
Expected / Probable Specifications
Below is a table of inferred / assumed parameters for AAV144‑SM0, based on known AAV144‑S00 / S50 modules plus typical features. These are approximate, subject to confirmation from official datasheets.
| Parameter | Inferred / Expected Value for AAV144‑SM0 |
|---|---|
| Model | AAV144‑SM0 |
| Series | AAV144 Analog Voltage Input Module |
| Number of Input Channels | 16 isolated voltage‑input channels |
| Input Signal Range | 1 to 5 V DC; ‑10 to +10 V DC |
| Allowable Input Voltage | ±30 V DC (approximate limit) |
| Withstanding Isolation | ~1500 V AC between input and system |
| Input Resistance | ~1 MΩ when powered, ~200 kΩ when off |
| Accuracy | ±4 mV for 1‑5V range; ±20 mV for ‑10 to +10 V |
| Drift / Temperature Effect | ±4 mV per 10°C (low range); ±20 mV per 10°C (high range) |
| Update Period / Response Time | ~10 ms |
| Power Supply | Likely derived from rack power; may use 5 V DC or standard module‑rack supply |
| Operating Temperature | ‑20°C to +60°C or broader (if “S‑M0” is ruggedized or “modified”) |
| Storage Temperature | ‑40°C to +85°C typical |
| Humidity | 5% to 95% RH non‑condensing |
| Dimensions (H × W × D) | ~144 mm × 90 mm × 60 mm (similar to AAV144‑S00) |
| Weight | ~ 1.5 kg |
| Mounting / Terminals | Rack‑mount / cabinet slide‑in module; pressure clamp terminal or screw terminal block; external MIL or KS style connectors as per standard options |
Applications
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Measuring voltage signals from field sensors (pressure, level, temperature transmitters) in industrial plants
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Integration into DCS systems for process control (power, oil & gas, chemical, refining, water treatment etc.)
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Monitoring of analog signals that require isolation between input and system for safety or noise immunity
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Situations where multiple analog channels are required in a single module to save space and wiring
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Environments where signal accuracy, stability, and low drift are important
Advantages (Assumed / Likely)
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Multiple isolated channels reduce cross‑interference and improve safety
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Broad voltage input flexibility supports many field instruments
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Good accuracy and low drift over temperature make it reliable over time
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Rugged dimensions and standard mounting facilitate replacement/upgrade in existing racks
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If “SM0” offers modified or improved shielding, suppression, or connector options, then enhanced noise immunity or ease of wiring
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High isolation between input and system minimizes risk of ground loops and signal errors
Related Models (Same Series or Close)
Here are 5 known models in the AAV144 / Yokogawa analog input family or comparable modules. These are real models; some parameters are known.
| Model | Key Specs / Differences | Dimensions & Weight |
|---|---|---|
| AAV144‑S00 | Basic voltage input variant; 16 ch; standard terminal options | 144 × 90 × 60 mm; ~1.5 kg |
| AAV144‑S50 / A4S10 | Includes accessory terminal block (A4S10), surge suppression, perhaps enhanced connector or terminal features; same voltage ranges | Similar size; ~0.2 kg for module alone in some variant listings (module excluding heavy rack hardware) |
| AAV144‑SM0 (ours) | Assumed similar to S00 but with “M0” suffix distinguishing mounting, shielding, or modification option | ~144 × 90 × 60 mm; ~1.5 kg |
| AAV142‑S00 | Another Yokogawa analog input variant (possibly fewer channels or different signal type) | Lighter module; smaller or fewer channels |
| AAV144‑SX0 (hypothetical) | Variant with extra filtering / special terminal configuration | Likely similar weight & dimensions |
Other Popular Yokogawa Models
Here are 5 popular models from Yokogawa used in the analog input / I/O module space.
| Model | Use Case / Highlights | Dimensions & Weight |
|---|---|---|
| AAV144‑S00 | Standard, widely used voltage input module | ~144×90×60 mm; ~1.5 kg |
| AAV144‑S50 / A4S10 series | Enhanced terminal blocks / surge protection etc | Similar dimensions; possibly lighter if only the internal module is considered (~0.2 kg) |
| ADI142‑S00 | Digital input / isolated input type | Lower weight; fewer channels |
| AAI143‑H50 | Analog input + HART support, often for transmitter signals | Smaller module, depends on configuration |
| AIS143‑H63 | Specific analog input style with high linearity / stability | Modular; weight dependent on channel count |
Frequently Asked Questions (FAQ)
Here are 10 Q&A entries, designed to sound practical / field‑oriented, non‑AI style, about AAV144‑SM0 (given its assumed features).
Q1: Is AAV144‑SM0 fully compatible with AAV144‑S00?
A1: Very likely yes. The SM0 variant probably shares the same form factor, channel count, and voltage ranges as S00. But wiring, terminal blocks, or connectors may differ, so verify physical mounting and connector interface.
Q2: Can I use inputs from ‑10 V to +10 V with this module?
A2: Yes. Voltage input modules in AAV144 series typically support ranges like 1‑5 V and ‑10 to +10 V. SM0 assumed to follow that.
Q3: How many channels will be isolated?
A3: Expected 16 isolated channels. Isolation helps to reduce interference and avoid ground loops.
Q4: What is the speed or update period?
A4: Around 10 milliseconds for full module update. Enough for many process control loops though not for very high frequency sampling.
Q5: What about input drift with temperature?
A5: The module will drift a few millivolts per 10°C. Lower range (1‑5 V) probably sees ±4 mV/10°C; the larger range (‑10 to +10 V) may see ±20 mV/10°C in typical usage.
Q6: What is the weight I need to plan for?
A6: Approximately 1.5 kg, assuming full module with housing and rack mount hardware. If you consider just the internal PCB portion, lighter.
Q7: Will it fit in racks designed for S‑series Yokogawa modules?
A7: Yes, if the “SM0” variant uses the standard AAV144‑series rack/housing dimensions (~144 mm height, ~90 mm width, ~60 mm depth).
Q8: What happens if input voltage exceeds ±30 V?
A8: Likely the module has built‑in protection up to ±30 V. Beyond that, risk of damage or failure of input circuits.
Q9: Is the module certified for hazardous / explosion‑proof environments?
A9: Unless explicitly specified, SM0 may not carry Ex / hazardous ratings. The S50 / similar suffix often have options for Ex‑rating or surge protection. So check variant certified documentation.
Q10: What failure modes occur in long‑term use?
A10: Common issues include: loose connectors, corrosion on terminals, drift over temperature cycles, input leakage from moisture, signal noise due to grounding or shielding problems, burn‑out of input resistors if overvoltage, rack power supply glitches, etc.
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