Description
Product Description
Overview
The Yokogawa AA1143-H53 is a high-performance analog input module designed to handle multiple current signals with high accuracy. It supports up to 16 isolated input channels and is compatible with dual-redundant configurations, providing reliable performance for critical industrial monitoring and control systems.
Key Features
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Supports 16 isolated input channels
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Compatible with 4-20 mA analog signals
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Dual-redundant configuration possible
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High accuracy with minimal drift over temperature
Technical Specifications
| Specification |
Details |
| Model |
AA1143-H53 |
| Input Channels |
16 isolated channels |
| Input Signal Range |
4 to 20 mA |
| Maximum Allowable Input |
24 mA |
| Isolation (Power On) |
1500 VAC between input and system for 1 minute |
| Withstanding Voltage |
270 Ohm at 20 mA to 350 Ohm at 4 mA |
| Input Resistance |
Minimum 500 kOhm |
| Measurement Accuracy |
±16 μA |
| Data Update Period |
10 ms |
| Transmitter Supply Voltage |
19.0 V minimum at 20 mA, 25.5 V maximum at 0 mA (Output current limit 25 mA) |
| Transmitter Configuration |
Supports both 2-wire and 4-wire setups per channel |
| Temperature Drift |
±16 μA per 10°C |
| Maximum Current Consumption |
230 mA (5 V DC), 540 mA (24 V DC) |
| Weight |
0.3 kg |
Applications
Ideal for industrial process monitoring, automation systems, and scenarios requiring precise current measurement with isolation and redundancy. Suitable for both factory and field deployment.
FAQ
Q: Can this module be used with 2-wire transmitters?
A: Yes, each channel supports configurable 2-wire or 4-wire transmitter setups.
Q: Is the module suitable for high-voltage isolation applications?
A: Yes, it provides 1500 VAC isolation between input and system, ensuring safety in demanding industrial environments.
Q: What is the maximum allowable input current?
A: The module can safely handle up to 24 mA per channel.
Similar Models Comparison
Compared to the AA1142, the AA1143-H53 offers higher channel count and lower drift specifications, making it suitable for more demanding applications.
