1734-0E4C

Overview of Allen-Bradley 1734-OE4C POINT I/O Analog Output Module

The Allen-Bradley 1734-OE4C is a 4-channel analog current output module for POINT I/O systems. It delivers precise analog control signals within a range of 0-20 mA or 4-20 mA, suitable for modulating control of industrial processes. This module features a digital-to-analog converter with 16-bit resolution and high accuracy to support flexible and efficient control techniques.

Key Features of Allen-Bradley 1734-OE4C

• Channels: Four single-ended, non-isolated current outputs.
• Output Signal Range: 0-20 mA or 4-20 mA with a 16-bit output resolution.
• Accuracy: 0.1% full-scale output accuracy at 25°C with output resolution of approximately 2.5 µA per count.
• Conversion Rate: 20 microseconds typical for fast response.
• Power Requirements: External DC power input of 10 to 28.8 V DC (including 5% AC ripple), nominal current 220 mA.
• PointBus Current: Maximum 75 mA at 5 V DC.
• Power Dissipation: 1.86 W at 750 Ω output load per channel.
• Thermal Dissipation: Up to 6.34 BTU/hr per channel at 750 Ω load.
• Indicators: Network, module status, and individual channel status LEDs for diagnostics.
• Physical Size: Compact module size fitting 1734-TB, 1734-TBS, and TOP wiring base assemblies.
• Operating Temperature: -20 to 55°C (-4 to 131°F).
• Isolation Voltage: 50 V DC isolation tested to 1500 V AC for 60 seconds.

Technical Specifications

Applications

The 1734-OE4C module is widely used for industrial process control applications requiring precise analog current output for devices such as valves, actuators, and other modulating control elements. Its high resolution and fast response make it suitable for tasks demanding accurate and reliable analog output signaling.