Product data

DeltaV Product Data Sheet
October 2014 – Page 27 S-Series Electronic Marshalling
Discrete Output 24 VDC Isolated CHARM
Specifications for DO 24 VDC Isolated CHARM
Device Type 24 VDC Inductive Load
Output range 4 VDC to 32 VDC
Output rating 1.0 A continuous
( 2 A inrush for < 100 ms)
Off state leakage Current 1 mA maximum
Configurable output behavior
• Momentary Output
• Continuous Pulse Output
Isolation The output channel is galvanically isolated and factory
tested to 1000 VDC.
Field Circuit Protection - 4 A Current Limiting Circuit (Short Circuit) with
thermal shutoff, automatic reset.
- Field wiring disconnect
- Recommend external fuse at power source
CHARM power req. 22 mA max @ 24 VDC
CHARM Heat Dissipation 0.46 W
Simplified Circuit and Connection Diagrams for DO 24 VDC Isolated CHARM
Simplified Circuit and Connection Diagrams for DO 24 VDC Isolated CHARM with Fused Injected Power Terminal Block