Products Description




Company Information | |||
[email protected] | |||
Mobile | +8613666033393 | ||
+8613666033393 | |||
13666033393 | |||
Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China |
Technical Specifications
The Yokogawa AAI835-H50 is a 4-channel input and 4-channel output analog I/O module designed for use in demanding industrial control systems. It features full channel isolation and supports HART communication.
Item | Specification |
---|---|
Model | AAI835-H50 |
Number of Channels | 4 inputs / 4 outputs (isolated channels) |
I/O Signal | Input: 4 to 20 mA Output: 4 to 20 mA |
HART Communication | Supported |
Allowable Input Current | 25 mA |
Allowable Load Resistance | 0 to 750 Ω |
Circuit Open Detection | Less than 0.65 mA |
Accuracy | Input: ±16 µA Output: ±48 µA |
Data Update Period | 10 ms |
Transmitter Power Supply | 15.0 V or higher (at 20 mA) 29.3 V or less (at 0 mA) |
Input Resistance (Power ON) | 290 Ω (at 20 mA) to 450 Ω (at 4 mA) |
Input Resistance (Power OFF) | 500 kΩ or larger |
Temperature Drift | ±16 µA / 10 °C |
Withstanding Voltage | 500 V AC (1 min) between I/O channels and system |
Maximum Current Consumption | 360 mA (5 V DC) 450 mA (24 V DC) |
External Connection | Pressure clamp terminal, MIL connector, KS1 dedicated cable |
Dimensions (W × D × H) | 107.5 × 32.8 × 130 mm |
Weight | 0.3 kg |
FAQ
Frequently Asked Questions (FAQ)
Q1: What type of analog signal does the AAI835-H50 support?
A1: It supports 4 to 20 mA current signals for both input and output, making it suitable for industrial standard analog control applications.
Q2: Does the AAI835-H50 support HART communication?
A2: Yes, the AAI835-H50 includes HART protocol support, enabling two-way digital communication with field devices.
Q3: Is channel isolation provided in this module?
A3: Yes, each channel is isolated from the others and from the system, enhancing safety and noise immunity.
Q4: Can the AAI835-H50 detect open circuit conditions?
A4: Yes, it features circuit-open detection with a threshold of less than 0.65 mA to identify wiring issues.
Q5: What is the accuracy rating of this module?
A5: Input accuracy is ±16 µA, and output accuracy is ±48 µA under standard operating conditions.
Q6: What is the data update rate of the AAI835-H50?
A6: The module refreshes data every 10 milliseconds, providing fast and reliable updates for control systems.
Q7: Is the AAI835-H50 suitable for use in redundant configurations?
A7: Yes, it can be used in dual-redundant configurations for high availability and fail-safe operation.
Q8: What kind of external connections are compatible with the AAI835-H50?
A8: The module supports pressure clamp terminals, MIL connectors, and dedicated KS1 cables for flexible field wiring options.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.