The Emerson 38B6041X082 is an I/P (Current-to-Pneumatic) converter kit assembly designed for Fisher field-mounted instruments. This module converts a 4 to 20 mA DC input signal into a proportional pneumatic output pressure, enabling precise control for valve actuators and other pneumatic process control devices. This assembly is a critical component for maintaining the performance of Fisher FIELDVUE digital valve controllers.
Features
Fisher FIELDVUE I/P Converter Kit assembly
Factory-calibrated for high-accuracy electro-pneumatic conversion
Configurable output ranges (3 to 15 psi or 6 to 30 psi)
Supports continuous operation in demanding industrial environments
Includes necessary mounting hardware and seals for field installation
Applications
Petroleum/Oil & Gas: High-accuracy fluid flow and pressure regulation loops
Chemical Processing: Precise control of chemical streams via actuator calibration
Power Generation: Control valve positioning for steam routing and coolant loops
Water/Wastewater: Automated flow gating and large-scale process control
Technical Specifications
Model
38B6041X082
Input Signal
4-20 mA DC
Supply Voltage
42 V DC
Supply Air Pressure
20 to 150 psi
Accuracy
<= ±0.5% of span
Response Time
<= 0.2 s (for 10% step change)
Operating Temperature
-40 degC to +85 degC
Storage Temperature
-55 degC to +90 degC
Humidity
0-100% RH (condensing)
Air Consumption
0.2 SCFM (typical at mid-range)
Installation Guidelines
Ensure the supply air is clean, dry, and oil-free to prevent internal orifice clogging.
Verify that the supply pressure does not exceed the 150 psi maximum rating.
Perform all electrical connections while the system is de-energized to prevent short circuits.
Use appropriate thread sealant on pneumatic connections to prevent air leaks.
Ensure proper grounding of the instrument housing to mitigate EMI interference.
Follow the specific Fisher FIELDVUE instrument manual for calibration procedures after installation.
Compliance and Certifications
The 38B6041X082 is designed for use in various hazardous and general-purpose applications. It carries certifications including FM, CSA, ATEX, IECEx, and CE.
FAQs
What is the primary function of the 38B6041X082?
The 38B6041X082 is an I/P converter assembly used to translate electronic 4-20 mA control signals into pneumatic pressure, which is required to actuate control valves in process automation systems.
What output pressure ranges are supported?
The unit is configurable for standard pneumatic output ranges of 3 to 15 psi or 6 to 30 psi, depending on the specific requirements of your actuator.
Is this assembly compatible with all Fisher controllers?
This kit is specifically designed for Fisher FIELDVUE instruments. Please verify your specific controller model (e.g., DVC6200 series) against the manufacturer's compatibility documentation before installation.
