Industrial Controller
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Infinite Innovation, the Future of Industrial Control Systems
Infinite Innovation, the Future of Industrial Control Systems
PRODUCT POSITION:HOMEPRODUCT—MTL4842
MTL4842
Technical Parameters Category Specification Model MTL4842 Product Type HART Isolator / Signal Conditioner (Externally Powered) Input Signal 4-20 mA with superimposed HART digital signal. Output Signal 4-20 mA (isolated replica) with superimposed HART signal. Power Supply External Auxiliary Power (e.g., 20-30 V DC). This is the key difference from loop-powered versions. Isolation Galvanic Isolation between input, output, and power supply. HART Signal Handling Transparently passes the HART FSK signal. Key Features Ground Loop Elimination Yes. Noise Suppression Yes. Intrinsic Safety Can be part of an IS loop when used with a safety barrier. Accuracy Typically ±0.1% of span. Load Capacity Higher load capacity due to external power (e.g., up to 1000 Ω). Mounting Standard 35 mm DIN rail. Operating Temperature -20°C to +60°C
DESCRIBE
The Eaton MTL4842 is a HART-enabled, two-wire signal conditioner and isolator, similar to the MTL4841 but with a key difference: it is typically a four-wire device that requires an external auxiliary power supply. It is designed for use with 4-20 mA analog transmitters that utilize the HART communication protocol.
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