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The Emerson KL4201X1-BA1 is a critical hardware component within the DeltaV Electronic Marshalling system. This CHARM Baseplate provides the physical and electrical mounting infrastructure for Characterization Modules (CHARMs), enabling flexible I/O mapping without the need for traditional cross-marshalling wires. It is designed for large-scale industrial automation, including oil and gas, petrochemical, and mining sectors, facilitating a decentralized I/O architecture that reduces installation complexity and optimizes cabinet space.
This baseplate is used in distributed control systems (DCS) to streamline field wiring. It is ideal for environments requiring high reliability, such as refineries, chemical processing plants, and offshore platforms where space-saving and simplified maintenance are critical.
| Model | KL4201X1-BA1 |
| Brand | Emerson |
| Series | DeltaV S-Series / CHARMs |
| CHARM Bus Power | 6.3 VDC at 4 A |
| Field Circuit Power | 24 VDC at 10 A |
| Operating Temperature | -40 to +70 deg C |
| Relative Humidity | 5 to 95 percent Non-Condensing |
| Hazardous Area Ratings | II 3G Ex ec IIC Gc; CL. I Div. 2 GP. A,B,C,D; CL. I Zone 2 AEx/Ex ec IIC Gc |
| Certifications | FM19ATEX0173U, IECEx FMG 12.0019U, FM21UKEX0017U |
| Airborne Contaminants | ISA-S71.04-1985 Class G3 |
| Shock Resistance | 10g 1/2 Sinewave for 11 msec |
| Vibration Resistance | 1 mm Peak to Peak (2 to 13.2 Hz); 0.7g (13.2 to 150 Hz) |
No, the KL4201X1-BA1 contains no user-serviceable parts and does not require calibration. Any failure typically requires a full unit replacement.
Yes, it is rated for use in Class I Division 2 and Zone 2 hazardous locations, provided it is installed in accordance with the relevant ATEX, IECEx, and UKEX certifications.