DeltaV™ LS RTD CHARM

A LS (Logic Solver) RTD Characterization Module (CHARM) for a RTD input.

Specs

Sensor Types

RTD input - See full data sheet

Sensor configuration

2 wire, 3 wire, or 4 wire

Full scale signal range

See Full Data Sheet

Accuracy

See Full Data Sheet

Repeatability

0.05% of span

Resolution

24 Bit A/D converter / Depends upon the sensor type

Calibration

None required

Sensor Excitation Current

0.5 mA in 2-wire and 4 wire configurations, 0.25 mA in 3-wire

Isolation

Each sensor galvanically isolated and factory tested to 1000 VDC

Open sensor detection

Yes

CHARM Power Req.

18 mA max @ 24 VDC

CHARM Heat Dissipation

0.30 W

DC/50/60 Hz Common mode rejection

90dB

Eliminate marshalling and add I/O anywhere in the plant without affecting control room cabinets
No marshalling cabinet or cross-wiring, fewer wires, much less work and fewer contact points for potential failures
No marshalling cabinet or cross-wiring, fewer wires, much less work and fewer contact points for potential failures