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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 LS 24 VDC Power CHARM
Nominal Signal Range (span)
4-20 mA, (0-20 mA optional)
Full Signal Range
0-24 mA
Input Impedance
250 ohms ±1%
Field Power (2-wire)
15.0 V at 20 mA @ 24 VDC input
Accuracy over temperature range
0.1% of span (0 to 60°C)0.25% of span (over -40 to 70°C)
Safety Accuracy
2% of span
Repeatability
0.05% of span
Resolution
16-bit A/D converter
Calibration
None required
Field Circuit Protection
30 mA Current Limiting circuit, Field wiring disconnect
CHARM Power Req
32 mA max @ 24 VDC for two wire configuration, 8 mA max @ 24 VDC 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 to control
HART Data Update Rates
Update rates are faster than every second dependent on HART communication loading and device type
