Description
MTL4546Y is an isolating driver from Eaton MTL for 4–20 mA HART valve positioners, providing precise analog signal control in hazardous areas.
Signal Accuracy
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Transfer Accuracy (20°C): < 20 µA
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Temperature Drift: < 1.0 µA/°C
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Under/Over Range: 1 mA / 24 mA (load ≤ 520 Ω)
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Input/Output Ripple: < 40 µA peak-to-peak
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Response Time: ≤ 100 ms (within 200 µA of final value)
Power and Indicators
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Current Consumption: 35 mA at 24 V DC (20 mA signals into 250 Ω load)
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Power Dissipation: 0.8 W at 24 V
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LED: Green for power status
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Safety Ratings: Uo = 28 V, Io = 93 mA, Po = 651 mW, Um = 253 V RMS/DC
Communication
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Protocol Supported: HART
