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4-20 mA with or without HART, 0-20 mA, Supports 2-wire and 4-wire device types directly, Supports 3-wire device powered through the, 24 V DC Power CHARM
Nominal Signal Range (span)
4-20 mA, (0-20 mA optional)
Full Signal Range
0 to 24 mA
Field Power (2-wire)
15.0 V at 20 mA @ 24 V DC input
Accuracy Over Temperature Range
0.1% of span (0-60°C), 0.25% of span (over -40 -70°C)
Repeatability
0.05% of span
Resolution
16 bit A/D converter
Input Impedance
250 Ω ±1%
Calibration
None required
Field Circuit Protection
30 mA Current Limiting circuit, Field wiring disconnect
CHARM Power Req.
36 mA max @ 24 V DC for two wire configuration, 12 mA max @ 24 V DC for three and four wire configuration
CHARM Heat Dissipation
0.33 W
HART Support
HART v7 pass-through for AMS. HART v7 variable and device status available for control
