2986012 - PSR-SCP- 24DC/TS/M PHOENIX

Phoenix Contact analog input modules serve as the interface between analog field instrumentation and programmable logic controllers (PLCs) or distributed control systems (DCS). They accept incoming signals from devices such as pressure transmitters, flow meters, thermocouples, and resistance temperature detectors (RTDs). These modules perform signal filtering, analog-to-digital conversion, and parameter processing directly at the I/O layer. Built with high channel density and compact enclosure designs, they allow efficient panel space utilization while maintaining signal integrity in electrically noisy environments. Many models feature configurable channels that support individual signal range selection and advanced diagnostic feedback for wire-break or over-range detection.

Product Parameters

• Number of Inputs: Available in 2, 4, 8, or 16 channel configurations per module.

• Input Signal Ranges: Configurable current inputs (0 to 20 mA, 4 to 20 mA) and voltage inputs (0 to 10 V, -10 V to +10 V, 0 to 5 V, -5 V to +5 V).

• Sensor Types Supported: Direct connection for Pt100, Pt1000 RTDs, and J, K, T, E, N, R, S, B type thermocouples on temperature-specific modules.

• Resolution: High-resolution analog-to-digital conversion typically ranging from 12-bit to 16-bit.

• Conversion Time: Fast sampling speeds ranging from under 1 millisecond up to a few milliseconds depending on filter settings and channel count.

• Supply Voltage: Operating supply voltage of 24 VDC with permissible operating ranges between 19.2 VDC and 30 VDC.

• Isolation Voltage: Electrical isolation between channels, bus electronics, and field power up to 500 VAC or 1400 VDC.

• Operating Temperature: Industrial operating range from -25°C to +60°C (-13°F to +140°F), with extended range variants supporting -40°C to +70°C.

• Connection Technology: Push-in spring connection or screw-clamp terminal blocks supporting conductors from 0.2 to 1.5 mm².

• Diagnostic Indicators: Dedicated channel and system status LEDs indicating module power, channel active state, wire break, short circuit, and parameter errors.

Product Advantages

Phoenix Contact analog input modules feature high-resolution signal conversion and integrated hardware filtering to deliver extremely reliable measurement accuracy even in harsh industrial conditions.

The flexible multi-range channel configuration enables a single module type to interface with various sensor signals, reducing spare parts inventory and simplifying engineering design.

Tool-free Push-in connection technology accelerates cabinet wiring while providing vibration-proof connections that minimize long-term maintenance requirements.

Comprehensive galvanic isolation between field signals, backplane logic, and power supply prevents ground loops and shields sensitive control electronics from voltage spikes.

Advanced diagnostic functions detect wire breaks, measuring range overflow or underflow, and internal faults instantly, helping operators prevent downtime through rapid issue resolution.

Important Considerations and Precautions

Always use shielded twisted-pair signal cables for analog sensor connections and ensure proper grounding of the shield at a single point to prevent high-frequency noise interference.

Do not apply external voltage sources to channels configured for current measurement, as excessive voltage can damage internal precision shunt resistors.

Maintain adequate separation between low-level analog signal cables and high-voltage power lines or variable frequency drive cables inside cable trays and control cabinets.

Verify channel configuration settings in the PLC programming software prior to commissioning to ensure the input range matches the physical output parameters of the connected sensor.

Observe ambient operating temperature limitations inside the enclosure and maintain required clearance distances above and below the module to ensure proper thermal dissipation.

Product Applications

Phoenix Contact analog input modules are widely implemented in automated industrial systems where precise measurement and environmental monitoring are required.

• Process Control Infrastructure: Monitoring fluid pressure, level, temperature, and volumetric flow rates in chemical processing plants, refineries, and water treatment facilities.

• Factory and Machine Automation: Integrating positional, weight, and strain gauge sensors into assembly lines, packaging machinery, and automated test benches.

• HVAC and Building Energy Management: Measuring ambient temperature, relative humidity, and airflow rates for climate control systems in large industrial facilities.

• Power Generation and Utilities: Tracking bearing temperatures, oil pressures, and electrical equipment parameters across power plant turbines and substations.

• Food and Beverage Manufacturing: Ensuring precise thermal processing and vessel level control during pasteurization, batching, and bottling operations.

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