Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| sales@plc-automations.com | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The AAI543‑H61/K4A00 is a rugged, high-precision analog output module designed for advanced distributed control systems (DCS) operating under extreme conditions. It provides 16 isolated 4–20 mA analog output channels with integrated HART communication for remote diagnostics and configuration. The H61 variant ensures enhanced environmental durability, and the K4A00 suffix denotes a KS Cable Interface, enabling quick wiring connections and ease of maintenance—all while sustaining dependable performance under stress.
| Parameter | Specification |
|---|---|
| Model | AAI543‑H61/K4A00 |
| Channels | 16 (fully isolated) |
| Output Signal | 4–20 mA analog |
| Update Interval | 10 ms |
| Load Resistance | 0–750 Ω |
| Accuracy | ±40 µA |
| Temperature Drift | ±12 µA per 10 °C |
| Operating Temperature | –25 °C to +75 °C (industrial-grade range) |
| Withstand Voltage | 2000 V AC (1 min, output vs system) |
| HART Communication | Yes |
| Power Consumption | 220 mA @ 5 V DC; 500 mA @ 24 V DC |
| Terminal Interface | KS Cable Interface (K4A00)—for fast wiring |
| Mounting Style | Slim 27 mm base-mount design |
| Dimensions (W × H × D) | 27 mm × 130 mm × 110 mm |
| Weight | 0.47 kg |
Power Generation Plants
Controls steam valves and turbine actuators under high thermal and electrical loads.
Chemical & Petrochemical Facilities
Drives critical loops where surge tolerance and signal clarity are vital.
Water & Wastewater Treatment Systems
Regulates dosing processes with stable performance across temperature shifts.
Pharmaceutical Manufacturing
Manages sanitary control valves in clean-in-place systems with stringent standards.
Heavy Industry (Steel, Mining, etc.)
Operates reliably amid dust, noise, vibration, and variable temperatures.
Superior Accuracy & Stability
±40 µA precision with minimal drift ensures constant, dependable control.
Rugged Environmental Ratings
Operates from –25 °C to +75 °C and resists surges up to 2000 V—built for extremes.
HART-Enabled Monitoring
Offers remote diagnostics, calibration, and enhanced asset management.
KS Cable Simplicity
Quick-connect interface eases wiring, reduces install time, and supports fast servicing.
Rapid Output Response
10 ms refresh supports fast control loops and process dynamics.
Compact & Durable Design
Slim, strong, and space-efficient, engineered to last in demanding conditions.
Brand: Yokogawa (not named explicitly for compliance)
Series: AAI543 – 16-channel analog output modules
| Model | Features | Channels | Temperature Range |
|---|---|---|---|
| AAI543‑H60/K4A00 | High-temp output module with KS interface | 16 | –20 °C to +70 °C |
| AAI543‑H53 | HART-enabled with extended temperature (no KS) | 16 | –20 °C to +70 °C |
| AAI543‑H50/A4S10 | Standard temp HART with surge clamp | 16 | –20 °C to +60 °C |
| AAI543‑H03 | Mid-temp module with surge resistance | 16 | –20 °C to +60 °C |
| AAI543‑S53 | Standard output at extended temperature (no HART) | 16 | –20 °C to +70 °C |
| Model | Application | Key Feature |
|---|---|---|
| AAI143‑H61 | High-temp analog input module | Mate to H61 outputs |
| ADV152‑P00 | Fast-switch digital output module | 32-channel responses |
| ATD6A‑00 | Multi-channel thermocouple input | Expanded sensor support |
| AAR181‑H60 | Remote I/O communications under heat | Robust network-level I/O |
| AFV11D‑S00 | Field control station (HART-ready) | Distributed logic near control points |
Q1: What does the AAI543‑H61/K4A00 module offer?
A1: It provides 16 isolated 4–20 mA outputs with HART, high-precision, rugged temperature range, and a KS cable interface for fast wiring.
Q2: How accurate are its outputs?
A2: Outputs maintain ±40 µA accuracy with minimal drift—even under temperature fluctuations.
Q3: What environmental conditions can it endure?
A3: It operates reliably between –25 °C and +75 °C and withstands electrical surges up to 2000 V.
Q4: Does it support remote diagnostics?
A4: Yes—HART enables diagnostics, configuration, and calibration from a distance.
Q5: How fast is its response?
A5: The module updates output values every 10 milliseconds, enabling fast control feedback.
Q6: What connection interface does it use?
A6: It uses a KS Cable Interface (K4A00) for quick and secure wiring to terminal boards.
Q7: How heavy is the module?
A7: It weighs approximately 0.47 kg.
Q8: Can it handle noise and interference?
A8: Yes—its isolated channels, high tolerance, and reinforced design resist electrical noise effectively.
Q9: What industries is this best suited for?
A9: It’s ideal for power generation, chemical refining, water treatment, pharmaceuticals, and heavy industry.
Q10: Is it suitable for panels where space is limited?
A10: Absolutely—a slim 27 mm profile makes it ideal for high-density control panels.
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.