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DeltaV™ DI 120 V AC Isolated CHARM
PDP_CHARM_DI_v1
An isolated, 120 V digital input Characterization Module (CHARM).
DeltaV™ DI 120 V AC Isolated CHARM

Specs

Detection Level for On
> 84 V AC
Detection Level for Off
< 34 V AC
Wetting Current
2 mA at 120 V AC
Input Impedance
60 kΩ (approximately)
Maximum Input Voltage
130 V AC
Frequency
50/60 Hz
Isolation
Each channel is optically isolated from the system at 250 V AC
Configurable Channel Types
Discrete Input - Dry contact or discrete state sensor changing <2 Hz, Pulse Count - Pulse train 0.1 Hz to 10 Hz
CHARM Power req.
12 mA max @ 24 V DC
CHARM Heat Dissipation
0.41 W
Field Circuit Protection
Recommend External Fuse at power source, Field wiring disconnect

Features

  • 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