TRICONEX RO3451 Relay output module
TRICONEX RO3451 is a solid-state relay output module specifically designed for non-critical applications, which plays a significant role when traditional mechanical relays are not applicable. Using solid-state technology, this module provides reliable output signal switching for field devices (such as annunciator panels). It can ensure stable signal transmission and achieve precise control of equipment. It has 32 output points inside, which are commoned in pairs, and is equipped with a built-in diagnostic function that can monitor the operating status of the module in real-time, detect and report faults in a timely manner, and ensure the stable operation of the system.
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TRICONEX RO3451 Relay output module
Specific Parameters
- Number of Output Points: 32 points, commoned in pairs
- Nominal Input Voltage: ±24V
- Operating Voltage Range: ±30V
- Maximum Switching Voltage: ±33V peak
- Maximum Switching Power: 15W (resistive load)
- Maximum Off-State Leakage Current: <100μA
- Nominal Current per Channel: 0.5A
- Maximum Overcurrent per Channel: 0.7A
- Voltage Drop at Baseplate: <0.25V at 0.5A
- Fuses: Each output is equipped with a 0.75A fast-acting fuse, mounted on the baseplate
- Isolation: Minimum 500V DC between functional earth and protective earth, minimum 800V DC between functional earth and functional earth (logic)
- Weight: 1360g
- Dimensions: Approximately 49cm×45cm×5.8cm
Product Performance
- Reliable Switching Performance: Adopting solid-state relay technology, compared with traditional mechanical relays, it has a longer service life and a higher switching speed. It can operate stably in frequently switching working scenarios, reducing the probability of failures and ensuring the stability and reliability of output signals.
- Continuous Diagnostic Function: It has a continuous loop-back verification mechanism, which can monitor the operating status of the relay in real-time. Each channel is equipped with an independent diagnostic function, which can detect faults in a timely manner and report them. The fault indicator shows intuitively, which is convenient for operation and maintenance personnel to quickly locate and solve problems, effectively reducing system downtime.
- Hot Swap Support: It supports online hot swap operation. The faulty module can be directly replaced during system operation without shutting down the entire system, which greatly improves the maintenance convenience and operation continuity of the system, especially suitable for industrial environments with high requirements for production continuity.
- Single Fault Tolerance: The design ensures normal operation in the event of a single fault, and in some cases, it can still maintain operation when multiple faults occur, effectively improving the reliability of the module under complex working conditions and ensuring the stable operation of non-critical control links.
- Good Electrical Isolation: Through a relatively high isolation voltage setting, it effectively isolates electrical interference between different circuits, enhances the anti-interference ability of the module in a complex electromagnetic environment, ensures the accuracy of signal transmission, and improves the overall stability of the system.

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