SR-H-MC HONEYWELL

SR-H-MC HONEYWELL analog module

Brand：HONEYWELL Model number：SR-H-MC

Country of origin: United States Product weight：0.4kg

HS code：8517623990

Product Details：

Product Dimensions：

A HONEYWELL analog module is a crucial component within a larger Industrial Control System (ICS), typically a Distributed Control System (DCS) like Experion PKS or a Programmable Logic Controller (PLC). Its primary function is to interface the digital control system with the continuous, real-world analog signals generated by field instrumentation.

These modules convert voltage or current signals from sensors (such as thermocouples, Resistance Temperature Detectors (RTDs), pressure transducers, and flow meters) into digital values that the control system's processor can understand and utilize for monitoring and control logic. Conversely, Analog Output (AO) modules convert digital commands from the processor back into analog signals to drive final control elements, like control valves or variable speed drives.

Key characteristics include high resolution, fast update rates, and galvanic isolation to protect the control system from electrical noise and surges in the field wiring.

Product Specifications (Parameters)

While specific parameters vary greatly by the module series (e.g., C300, HC900, Series 8), the following are common technical specifications:

Input/Output (I/O) Channels: Typically 8 or 16 channels per module.
Signal Types:

Analog Input (AI): $4-20 \text{ mA}$ , $0-20 \text{ mA}$ , $1-5 \text{ VDC}$ , $0-10 \text{ VDC}$ , Thermocouple (e.g., Type J, K, T, E, N), RTD (e.g., Pt100).
Analog Output (AO): $4-20 \text{ mA}$ , $0-20 \text{ mA}$ , $0-10 \text{ VDC}$ .

Resolution: Typically 16-bit (e.g., $1/65536$ ) or higher for high precision.
Accuracy: Often specified as $\pm 0.1\%$ or better of the full scale.
Scan Rate/Update Time: Fast processing, often in the range of 10 to 20 milliseconds per channel.
Isolation: Channel-to-channel or channel-to-earth isolation, usually rated up to $250 \text{ VAC}$ or $300 \text{ VDC}$ .
Ambient Temperature Range: Designed for industrial environments, typically $0^\circ \text{C}$ to $60^\circ \text{C}$ ( $32^\circ \text{F}$ to $140^\circ \text{F}$ ).

Product Advantages

Honeywell analog modules offer several distinct advantages in industrial automation:

High Reliability and Robustness: Built for continuous operation in harsh industrial environments, ensuring maximum system uptime.
Advanced Diagnostics: Features built-in channel diagnostics, including open-circuit detection (wire break) and over-range monitoring, allowing for proactive maintenance.
Superior Accuracy: High resolution and low noise characteristics provide highly accurate process measurements, which is critical for precision control and optimization.
Hot Swappable Capability: Many Honeywell modules can be replaced while the system is running (online replacement), minimizing process interruption.
Simplified Wiring: Often utilizes pre-fabricated cables and Terminal Blocks (TBs) or Marshalling Cabinets for faster, error-free installation and maintenance.
Seamless Integration: Designed to integrate perfectly with Honeywell's own control platforms (Experion, PlantScape), simplifying configuration and data management.

Important Considerations (Precautions)

To ensure optimal performance and longevity, users must adhere to the following precautions:

Proper Grounding and Shielding: Always follow Honeywell's detailed wiring standards for grounding and shielding. Improper grounding is the most common cause of noise-related measurement errors.
Power Supply Integrity: Use a stable and correctly sized power supply to prevent transient voltage spikes from affecting module performance.
Temperature Control: Although modules are designed for industrial use, operating them consistently outside the specified temperature range will reduce their lifespan and reliability. Adequate cabinet cooling is essential.
External Signal Conditioning: For low-level signals or very long wiring runs, consider using external isolators or signal conditioners to boost signal quality before connecting to the module.
Correct Wiring Type: Ensure the use of the correct wire gauge and type (e.g., twisted and shielded pairs for analog inputs) as specified in the installation manual.

Product Applications

Honeywell analog modules are widely deployed across various critical industries:

Oil and Gas (Upstream and Downstream): Monitoring pipeline pressure, temperature, and flow rates; controlling valve positions in refining units.
Chemical and Petrochemical: Maintaining precise temperature and pressure in reactors; controlling feed material flow for complex chemical synthesis.
Power Generation: Measuring steam temperature and pressure in boilers and turbines; controlling fuel and water flow for stable power output.
Pharmaceutical and Biotech: Monitoring and controlling environmental conditions (humidity, temperature) in cleanrooms and fermentation processes.
Water and Wastewater Treatment: Measuring level, flow, and chemical dosing (e.g., chlorine concentration) for effective treatment management.

FS24X-211-21-3 HONEYWELL

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