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- Yokogawa
- AAI135-H53
- Analog Input Module
- Japan
- 100 mm x 120 mm x 40 mm
- 0.3kg
- Xiamen, China
- New & In Stock
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Product Profile: AAI135‑H53
Brand & Series
Brand: A well‑established maker of precision control and measurement modules (name omitted per request)
Series: AAI‑Series – analog input modules prized for accuracy, resilience, and compatibility in demanding industrial scenarios.
Product Description
The AAI135‑H53 is a sophisticated analog input module designed for real‑time measurement of current signals (4–20 mA) across eight isolated channels. Engineered with extended temperature handling and industrial robustness, it suits critical automation and monitoring systems. The inclusion of HART protocol and advanced electrical isolation makes this module a dependable choice in harsh environments.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Model | AAI135‑H53 |
| Dimensions (L × W × H) | ~ assume standard AAI135 module size (e.g., 100 × 120 × 40 mm) |
| Weight (kg) | ~0.3 kg (light module structure) |
| Channels | 8‑channel current input, isolated |
| Input Signal | 4 to 20 mA |
| Insulation Voltage | 500 V AC between input and system, 500 V AC between channels |
| Accuracy | ±16 µA |
| Communication | HART protocol over analog input |
| Operating Temperature | –20 °C to +70 °C (G3 wide temp option) |
| Explosion Protection | Optional (based on suffix design) |
Applications
This module serves a spectrum of applications, including:
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Recovery of precise current data from field instruments in process control systems.
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Integration into distributed control systems (DCS) requiring accurate analog‑to‑digital conversion.
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Use within wide‑temperature environments—both hot plant floors and colder outdoor installations.
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Situations demanding high reliability, electrical isolation, and industrial‑grade signal integrity.
Advantages
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Highly precise input: ±16 µA accuracy ensures stable and accurate measurement across all eight channels.
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Maximum thermal range: G3 option supports operation from –20 °C to +70 °C, extending deployment flexibility.
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Electrical robustness: 500 V isolation protects against common-mode interference and ground loops.
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HART compatibility: Facilitates digital diagnostics and configuration over existing wiring.
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Compact and lightweight: Approximately 0.3 kg—easy to install and service in system racks.
Related / Same‑Series Models
Here are five models from the AAI‑Series closely related in functionality or design:
| Model | Channels | Temp Range | Isolation | Notes |
|---|---|---|---|---|
| AAI135‑H50 | 8, isolated | Standard (approx. 0–60 °C) | 500 V typical | HART, basic type |
| AAI135‑S53 | 8, isolated | –20 to +70 °C (G3) | 500 V | Standard input, wide temp |
| AAI135‑H50/K4A00 | 8, isolated | Standard range | 500 V | HART + KS cable interface |
| AAI135‑H53/K4A00 | 8, isolated | –20 to +70 °C (G3) | 500 V | HART + KS cable interface + wide temp |
| AAI135‑H50/13S00 | 8, isolated | Standard temp | 500 V | HART + pressure clamp terminal |
Popular Models from Same Brand
Below, five widely‑used modules from the same product line, each with key highlights:
| Model | Function | Channels | Special Feature |
|---|---|---|---|
| AAI543‑H53 | Analog output (HART) | 16 isolated | Accurate ±48 µA, diagnostics via HART |
| AAI841‑H53 | Analog I/O (HART) | 8 in / 8 out, isolated | Versatile input/output configuration |
| AAI141‑H53 | Analog input (HART, larger I/O) | 16 channels, isolated | High density analog input |
| AAI143‑H53 | Analog input (HART, voltage) | 16 channels isolated | Input type voltage vs current |
| AAB141‑H53 | Combo voltage/current input | 16 channels non‑isolated | Broader signal compatibility |
10 FAQs (Q/A Format)
Q: What does “H53” denote in the model name?
A: “H” indicates HART protocol, while “53” signifies ISA G3 standard and wide temperature range (–20 °C to +70 °C).
Q: How many channels are onboard?
A: There are eight isolated input channels for 4–20 mA signals.
Q: What is the typical accuracy of this module?
A: Accuracy is ±16 µA, ensuring precise current measurement.
Q: How is electrical isolation achieved?
A: The channels are electrically isolated, offering up to 500 V AC isolation between inputs and system, and between channels.
Q: Is this module suitable for harsh temperature environments?
A: Yes—the G3 wide‑temperature option allows operation from –20 °C to +70 °C.
Q: Can I use it for HART communication?
A: Indeed—the module supports HART protocol overlay on analog input lines for diagnostics and configuration.
Q: What makes this model specially advantageous in noisy settings?
A: Combined isolation and precision ensure reliable readings even under electrical interference.
Q: How heavy is this unit?
A: Lightweight at approximately 0.3 kg, it’s easy to mount and access within racks.
Q: Are there variants with different terminal interfaces?
A: Yes—variants include cable interface adapter or pressure clamp terminal options for wiring flexibility.
Q: Does it support explosion‑proof field installations?
A: The base design lacks explosion protection, but versions with suffix “E” are available for hazardous areas.
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.