ABB AX722F

Product Name:ABB AX722F Analog Input Module
Product Brief:AC500 series DCS analog input module, collects multi‑channel analog field signals and transmits data to controller through backplane bus.
Technical Specifications:8‑channel analog input; support 4‑20mA, 0‑10V signal; ABB F series backplane bus; working power 24VDC; operating temperature ‑20‑70℃.

Category:
Description

Functional Features:Multi‑channel analog signal acquisition, channel‑level isolation, signal over‑range detection, module self‑diagnosis, fault information upload to controller.
Application Scenarios:Thermal power plant, chemical plant, water treatment, industrial DCS distributed control system, on‑site analog signal collection.
Performance Parameters:Conversion resolution 16‑bit; measurement accuracy ±0.1%; channel‑to‑channel galvanic isolation.
Material Composition:Industrial‑grade printed circuit board, metal shielding shell, isolated power supply circuit, precision AD conversion chip.
Structural Features:DIN‑rail mounted modular unit; front‑side wiring terminals; module self‑locking buckle; series‑stack installation with other F‑series modules.
Working Principle:Samples analog signals from field transmitters, converts analog quantity into digital quantity via AD chip, transmits digital data to main controller through backplane bus.
Installation Requirements:Install on standard DIN rail inside control cabinet; keep distance from high‑voltage cables; wiring strictly follow channel definition; complete protective grounding.
Usage Notes:Prevent reverse connection of field signal wiring; prohibit working beyond temperature range; check module diagnostic status during routine maintenance; replace module under power‑off condition.

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