TRICONEX 3704E Digital input module
The TRICONEX 3704E is a high-performance, highly reliable digital input module and part of the Triconex Safety Instrumented System (SIS). Below is its comprehensive detailed information:
- Input Voltage: 0-5V or 0-10V (configurable)
- Number of Input Points: 64 input points
- Input Update Rate: 75 milliseconds
- Resolution: 12-bit
- Accuracy: ±0.25% FSR (within the range of 0°C to 60°C)
- Off-State Resistance: 30kΩ (DC)
- Channel-to-Channel Isolation: 200kΩ
- Overvoltage Protection: 150V AC / 115V DC
- Operating Temperature Range: -40°C to 70°C
- Communication Protocols: Supports Modbus, Ethernet/IP, DeviceNet, ControlNet, etc.
- Dimensions: 3U high × 2HP wide
- Weight: 2.0kg
- High Density: Integrates 64 analog input channels in a single module, saving space.
- High Fault Tolerance: Adopts a Triple Modular Redundancy (TMR) architecture, ensuring the system can still operate normally even if a single module fails.
- Strong Anti-Interference Ability: Differential inputs enhance anti-interference performance.
- Simplified Installation: DC coupling simplifies the installation process.
- Versatility: Suitable for various application scenarios such as data acquisition, safety monitoring, and process control.


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