ST 4-TWIN 3031393 PHOENIX

Phoenix ST 4-TWIN 3031393 Analog Output Modules

Brand： PHOENIX Model number：ST 4-TWIN 3031393

Country of origin:Germany Product weight：0.55kg

HS code：8517623990

Product Details：

Product Dimensions：

Phoenix Contact analog output modules form an essential link between digital control systems and field-level analog actuators. Available across multiple Phoenix Contact I/O product lines—including inline systems, Axioline F, and protective IP67 field modules—these components accept high-resolution digital values over an industrial bus or backplane and convert them into continuous electrical outputs. They provide high accuracy, galvanic isolation between backplane logic and field circuits, and short-circuit protection on output channels. The design focuses on high noise immunity, fast signal conversion rates, and flexible channel configuration, allowing users to switch between standard voltage and current ranges through software or hardware settings without replacing modules.

Product Parameters

Output Signal Ranges: Standard current outputs of 0 to 20 mA and 4 to 20 mA, along with standard voltage outputs of 0 to 10 V, -10 to +10 V, 0 to 5 V, and -5 to +5 V.
Resolution: Typically 12-bit to 16-bit digital-to-analog conversion accuracy across defined signal spans.
Channel Density: Models available in 2, 4, or 8 channel configurations depending on module family and form factor.
Accuracy Class: Output precision typically within +/-0.1% to +/-0.3% of full-scale value at 25°C ambient temperature.
Load Impedance: Voltage outputs support minimum resistive loads around 1 kohm to 2 kohms, while current outputs support maximum loop loads up to 500 ohms or 600 ohms.
Galvanic Isolation: Provides electrical isolation between individual output channels, logic supply, and field power up to 500 VAC or 1500 VAC depending on the specific module series.
Supply Voltage: Operates on standard 24 VDC industrial power supplies with built-in reverse polarity protection.
Operating Temperature: Industrial operating range from -25°C to +60°C (-13°F to +140°F) for standard models, with extended temperature ranges available for harsh environment series.

Product Advantages

Phoenix Contact analog output modules feature outstanding signal fidelity, ensuring precise positioning of control valves and speed regulation of drives with minimal drift over time and temperature variations.

Integrated multi-stage electrical isolation prevents ground loops and protects delicate control electronics from field transients and high-voltage surges.

Push-in wiring technology and tool-free installation significantly reduce wiring time during cabinet assembly while ensuring vibration-resistant connection durability.

Comprehensive diagnostic functionality allows real-time monitoring of wire breaks, short circuits, and parameter errors via LED indicators and bus communication protocols.

Compact modular housing designs optimize control cabinet space, permitting high-density channel configurations in minimal footprints.

Important Considerations and Precautions

Ensure total load resistance connected to current output channels does not exceed the specified maximum impedance to prevent output saturation and signal error.

External field wiring must use twisted-pair shielded cables, with the cable shield grounded appropriately at one end to minimize high-frequency electromagnetic interference.

Always verify that field-side power supply specifications match module requirements, avoiding common power supplies for high-noise inductive loads and sensitive analog output loops.

Observe derating curves for ambient operating temperatures when installing modules densely packed within unventilated control enclosures.

Disconnect power to the field circuits and module backplane before attaching or removing wiring terminals to avoid pin damage or unexpected control signal output jumps.

Product Applications

Phoenix Contact analog output modules are used extensively across process automation, factory automation, and infrastructure management industries.

Process Valve Control: Providing precise 4 to 20 mA positioning signals to control valves, dampers, and positioners in chemical plants, oil refineries, and water treatment facilities.
Variable Frequency Drive Speed Control: Sending 0 to 10 V or 4 to 20 mA reference signals to AC drives and servo amplifiers to regulate motor speeds in conveyor networks and pumps.
Proportional Fluid Control: Operating proportional hydraulic and pneumatic valves for precision pressure and flow rate control in heavy machinery and stamping equipment.
Signal Re-transmission and Recording: Sending continuous operational parameters to external chart recorders, digital panel meters, or secondary monitoring systems.
Building Automation and HVAC: Regulating heating and cooling supply valves, air duct dampers, and fan speed controllers in large-scale facility management systems.

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