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- Yokogawa
- AAI835-H53/K4A00
- Analog I/O Module
- Japan
- 150 mm (W) × 130 mm (H) × 28 mm (D)
- 0.5kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview: AAI835‑H53/K4A00
Product Parameters
| Parameter | Specification |
|---|---|
| Power Supply | 24 V DC; typical current draw ~450 mA; maximum ~500 mA |
| Input Channels | Up to 16 isolated analog inputs (4–20 mA or 0–10 V, configuration-dependent) |
| Output Channels | Up to 16 isolated analog outputs (matching input quantity and type) |
| Isolation Voltage | 500 V AC per channel (I/O to system and channel-to-channel protection) |
| Accuracy (per channel) | ±25 µA for current mode; ±0.02 V for voltage mode |
| Update/Scan Rate | Approximately 20 ms from input to output |
| Temperature Drift | ±25 µA or ±0.025 V per 10 °C change |
| Connection Method | K4 modular backplane interface for rack-mounted systems |
| Dimensions | 150 mm (W) × 130 mm (H) × 28 mm (D) |
| Weight (kg) | 0.50 kg |
Product Introduction
The AAI835‑H53/K4A00 is a high-capacity analog I/O module tailor-made for sophisticated control systems demanding precision and density. Designed to accommodate up to sixteen isolated analog signals—either current or voltage—it integrates seamlessly into modular racks via the K4 interface. With strong 500 V electrical isolation, micro-level accuracy, and fast data throughput, it’s engineered for both large-scale installations and compact control clusters requiring reliable analog data acquisition and conversion.
Applications
This unit is ideally deployed in scenarios such as:
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Centralized analog signal aggregation in large-scale distributed control systems.
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Analog channel expansion for process plants needing high-density I/O within space-constrained panels.
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Integration of multiple field transmitters into consolidated rack modules for streamlined wiring.
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Retrofitting advanced control loops into legacy systems while maintaining isolation and accuracy.
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Critical industrial setups—such as batch processing, chemical production, or utilities—requiring robust multiplexed analog I/O.
Advantages
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High channel capacity — Packs up to 16 channels into a single, compact module.
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Robust isolation — 500 V AC separation protects signals from noise and ground loops.
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Quick response — 20 ms scan cycles help maintain tight control loops.
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Precision accuracy — Excellent µA/V-level fidelity and minimal thermal drift.
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Modular integration — K4 interface makes installation and servicing quick and tool-free.
Related & Popular Models
A. Same Series / Related AAI835 Variants
| Model | Channel Count / Type | Interface / Feature | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| AAI835‑H53/S3 | 16 analog I/O (current only) | Clamp-terminal interface | 150 × 130 × 30 | 0.55 |
| AAI835‑H50/K4A00 | 4 analog I/O channels | K4 interface | 100 × 130 × 28 | 0.22 |
| AAI835‑H53/13S00 | 16 analog I/O (current only) | Clamp-terminal style | 150 × 130 × 30 | 0.55 |
| AAI835‑S53 | 16 analog voltage-only inputs | Clamp or rack interface | 150 × 130 × 30 | 0.50 |
| AAI835‑S50/S3 | 8 universal (current/voltage) | Bar-graph display interface | 120 × 130 × 30 | 0.40 |
B. Other Popular Models from Same Brand (General I/O & Display)
| Model | Key Feature | Application Use Case | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| AAI841‑S50 | 8-ch universal analog module | Flexible I/O port deployment | 120 × 130 × 35 | 0.40 |
| AAI135‑H50/13S00 | 16-ch analog I/O module | Bulk expansion | 200 × 130 × 45 | 0.60 |
| AAI143‑S50 | 16-ch analog input only | Signal consolidation | 200 × 130 × 45 | 0.50 |
| AAA990‑C05 | Numeric alarm display panel | Operator feedback | 96 × 48 × 105 | 0.60 |
| ABX770‑C30 | Touchscreen interface panel | Process monitoring | 144 × 144 × 70 | 1.00 |
Frequently Asked Questions (QA Format)
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Q: How many channels does the AAI835‑H53/K4A00 support?
A: Up to 16 isolated analog input/output channels per module. -
Q: What signal types are supported by each channel?
A: Channels may be configured for 4–20 mA or 0–10 V, depending on system needs. -
Q: Does it offer electrical isolation?
A: Yes—each channel is isolated with up to 500 V AC from system and other channels. -
Q: What is the update response time?
A: Approximately 20 ms from input reading to output update. -
Q: How stable is its performance with temperature change?
A: Very stable—with drift of around ±25 µA or ±0.025 V per 10 °C. -
Q: What level of precision does it maintain?
A: ±25 µA accuracy in current mode and ±0.02 V in voltage mode. -
Q: How is it installed in control systems?
A: It utilizes a K4 modular backplane interface for easy rack integration. -
Q: What are its dimensions?
A: The module measures 150 mm wide by 130 mm high and 28 mm deep. -
Q: How much does it weigh?
A: The unit weighs approximately 0.50 kg. -
Q: What does “H53/K4A00” indicate?
A: “H53” refers to the high‑density analog I/O variant; “K4A00” denotes the K4 modular rack interface style.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.