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- Yokogawa
- AAI835-H53
- Analog I/O Module
- Japan
- 150 mm (W) × 130 mm (H) × 28 mm (D)
- 0.5kg
- Xiamen, China
- New & In Stock
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Product Overview: AAI835‑H53
Product Parameters
| Parameter | Specification |
|---|---|
| Power Supply | 24 V DC; typical current draw 400 mA, maximum 450 mA |
| Input Channels | 8 or 16 isolated analog inputs, selectable types (4–20 mA or 0–10 V, depending on configuration) |
| Output Channels | Up to 16 isolated analog outputs, matching input channels |
| Isolation Voltage | 500 V AC isolation per channel for I/O to system and channel‑to‑channel safety |
| Accuracy (per channel) | ±25 µA for current, ±0.02 V for voltage |
| Update/Scan Rate | Approximately 20 ms latency from input to output |
| Temperature Drift | ±25 µA (current) or ±0.025 V (voltage) per 10 °C change |
| Connection Type | Rack-mounted modular interface for stackable control systems |
| Dimensions | 150 mm (W) × 130 mm (H) × 28 mm (D) |
| Weight (kg) | 0.50 kg |
Product Introduction
The AAI835‑H53 is a high‑density analog I/O module suited for demanding process control environments. Built to scale, it supports up to 16 isolated analog channels, either current or voltage, all within a single rugged module. It integrates high‑precision handling, solid electrical isolation, and seamless rack compatibility to streamline control‑system expansion with precision and safety.
Application
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Centralized analog I/O in control panels or distributed control systems
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Signal consolidation from multiple field transmitters across industrial zones
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Modular expansion of analog channels in batch and continuous process operations
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Retrofit solutions in aging control systems to add flexibility and redundancy
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Systems requiring compact, high‑channel‑count, isolated analog acquisition
Advantages
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High channel density – Combine up to 16 analog I/O channels into one compact module
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Robust isolation – 500 V AC channel‑to‑channel and I/O‑to‑system shielding
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Balanced accuracy & speed – Microamp- and millivolt-level precision with 20 ms refresh
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Thermally stable – Minimal drift across temperature swings ensures reliability
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Scalable design – Plug into modular racks—easy to install, configure, or reconfigure
Brand & Series
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Brand: A respected provider of industrial instrumentation solutions, known for durable and precise analog modules
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Series: This module belongs to the AAI835 family, specifically under a high‑channel variant labeled “H53”, indicating expanded capacity within the modular analog I/O line.
Related & Popular Models
A. Same Series / Related AAI835 Variants
| Model | Channel Count | I/O Type | Size (mm) | Weight (kg) |
|---|---|---|---|---|
| AAI835‑H53/S3 | 16 ch | 4–20 mA I/O only | 150 × 130 × 28 | 0.50 |
| AAI835‑H50/K4A00 | 4 ch | Analog I/O, K4 interface | 100 × 130 × 28 | 0.22 |
| AAI835‑H53/13S00 | 16 ch | Analog I/O, clamp terminal | 150 × 130 × 30 | 0.55 |
| AAI835‑S53 | 16 ch | Voltage-only selectable input types | Similar dimensions | 0.50 |
| AAI835‑S50/S3 | 8 ch | Current/voltage mixed selectable | 120 × 130 × 30 | 0.40 |
B. Other Popular Models from Same Brand (General I/O & Display)
| Model | Feature Set | Application | Size (mm) | Weight (kg) |
|---|---|---|---|---|
| AAI135‑H50/13S00 | 16-ch amplifier module | I/O expansion | 200 × 130 × 45 | 0.60 |
| AAI841‑S50 | 8-ch universal analog module | Flexible input/output needs | 120 × 130 × 35 | 0.40 |
| AAI143‑S50 | 16-ch input only | Signal aggregation | 200 × 130 × 45 | 0.50 |
| AAA990‑C05 | Display with alarms | Operator interface panels | 96 × 48 × 105 | 0.60 |
| ABX770‑C30 | Touchscreen interface | SCADA or process visualization | 144 × 144 × 70 | 1.00 |
Frequently Asked Questions (QA Format)
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Q: How many analog channels does the AAI835‑H53 support?
A: Up to 16 isolated analog input/output channels. -
Q: What signal types are supported?
A: Channels can be configured for either 4–20 mA or 0–10 V, depending on system setup. -
Q: What is the electrical isolation level?
A: Each channel is isolated with up to 500 V AC separation between I/O and system and among channels. -
Q: What level of precision does it deliver?
A: Accuracy is about ±25 µA for current and ±0.02 V for voltage channels. -
Q: What is the update speed?
A: The module processes input and updates outputs within roughly 20 ms. -
Q: How does it perform across temperature shifts?
A: Drift is minimal—around ±25 µA or ±0.025 V per 10 °C variation. -
Q: How is it installed?
A: It plugs into a modular rack—easy to install or swap in control systems. -
Q: What are its physical dimensions?
A: The module is 150 mm wide, 130 mm tall, and 28 mm deep. -
Q: What’s the approximate weight?
A: It weighs around 0.50 kg. -
Q: What does the “H53” designation indicate?
A: It denotes a high‑channel analog I/O variant—specifically up to 16 channels within the modular analog line.