Technical Specifications Multi‑channel pulse input, supports high‑speed pulse signal acquisition. Back‑plane controller bus interface. Auxiliary power 24 V DC, typical power consumption 3.8 W. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Channel‑wise signal galvanic isolation.
Functional Features Captures pulse signals from field pulse‑generating instruments. Executes cumulative pulse counting and frequency calculation. Transmits counting result data to controller via back‑plane bus. Front‑panel LED indicates pulse input status and module fault condition. Built‑in hardware self‑diagnosis detects input‑loop abnormality and internal hardware faults.
Application Scenarios Pulse counting spare part for ABB Advant DCS system. Applied in flow measurement and rotating‑speed monitoring of legacy process‑industry sites.
Performance Parameters High‑speed pulse edge capture capability. Accurate cumulative pulse counting performance. Stable counting‑value data transmission.
Material Composition Flame‑retardant plastic module housing. Multilayer glass‑fiber epoxy printed circuit board. Pulse capture, counting processing and signal isolation assemblies. Back‑plane plug‑in connector and field signal terminals.
Structural Characteristics Standard rack plug‑in module. Front side fitted with field pulse‑signal terminals and status LED indicators. Rear side equipped with back‑plane bus connector. Weight approximately 0.37 kg.
Working Principle Field pulse signals access module through front‑end terminals. Internal hardware circuit captures pulse edge and completes cumulative counting. Counting value and frequency data are uploaded to controller via back‑plane bus. Diagnosis circuit continuously monitors pulse input channels and module hardware state.
Installation Requirements Insert DSDP160 57160001‑KG into corresponding rack slot and lock fixing latch. Connect field pulse‑instrument wiring to front‑end terminals. Ensure back‑plane connector is fully engaged. Restore power supply, configure pulse parameters and verify counting accuracy.
Usage Notes Set pulse parameters matching field instrument specification. Use shielded cables for pulse signal wiring to reduce electromagnetic interference. Hot‑plug under powered state is forbidden. Verify pulse counting precision after installation.
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