Technical Specifications Model: DI650 System Compatibility: ABB industrial control system matching series base unit Input Channel Quantity: 16 digital input channels Input Signal Level: 24 V DC Input Current: 6 mA typical at 24 V DC Isolation Mode: Group‑wise galvanic isolation, divided into two groups of 8 channels Filter Function: Configurable channel‑wise input debounce filter Power Supply: Supplied by matched base unit backplane circuit Mounting Type: DIN‑rail installation via matched base terminal unit Operating Temperature: ‑25 ℃ to +70 ℃ Storage Temperature: ‑40 ℃ to +85 ℃ Relative Humidity: 5‑95 %, non‑condensing Protection Class: IP20 Certifications: CE
Functional Features 16‑channel 24 V DC digital input for field‑site switch‑contact signal acquisition. Two groups of 8‑channel group‑wise galvanic‑isolation structure restrains inter‑group interference. Each channel supports configurable debounce filter to eliminate mechanical‑contact bounce interference. Per‑channel front‑panel LED indicator displays real‑time input signal on‑off state. Built‑in module self‑diagnosis function monitors power‑supply abnormality and internal hardware fault. Supports hot‑swap operation on matched base terminal unit without disconnecting field‑side wiring. Compact modular design reduces cabinet installation space occupation.
Application Scenarios ABB automation system DI650 digital input module spare‑part replacement. Factory production‑line, water‑treatment plant auxiliary‑equipment switch‑contact signal acquisition cabinet. Distributed automation project requiring large‑quantity discrete‑signal input collection.
Installation Requirements Mount matched base terminal unit onto standard 35 mm DIN‑rail inside control cabinet. Align DI650 module with base‑unit slot, fully insert module and lock side‑part spring buckle. Complete field‑site switch‑signal wiring on base‑unit screw‑type terminals. Set channel debounce filter parameter via system engineering configuration tool. Complete cabinet protective earthing complying with automation‑system grounding specification. Separate field‑signal cables and high‑power power cables inside cabinet. Reserve surrounding ventilation heat‑dissipation space for module assembly. Ambient operating temperature must keep within ‑25 ℃ ~ +70 ℃ without condensation.
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