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ABB AC900F PM904F 3BDH001002R0001｜Freelance Controllers｜

AC900F PM904F 3BDH001002R0001

Characteristic
Dual machine hot standby redundancy
Supports paired redundant configuration of two PM904F modules, with millisecond level interference free switching, suitable for critical uninterrupted control scenarios in chemical and power plants.
Multi priority task scheduling
Up to 8 independent loop tasks with adjustable cycles, balancing high-speed interlocking and slow PID regulation.
Improve hardware diagnosis
IO channel disconnection/short circuit detection, communication failure, battery undervoltage, CPU operation status panel LED indicator feedback.
Adaptation to harsh environments with wide temperature range
Working temperature: -20 ℃~+70 ℃, in compliance with G3 anti-corrosion grade, suitable for chemical plants, water treatment wet and corrosive cabinets.
Safety locking function
The panel switch can lock the program download to prevent accidental modification of control logic on site.

Application
Complete DCS system for water treatment, sewage treatment plant, and seawater desalination
Small and medium-sized chemical plants, pharmaceuticals, and food process control
Photovoltaic, energy storage, and auxiliary control systems for small power plants
Oil and gas wellhead, local control station for compressor unit

ABB AC900F PM904F 3BDH001002R0001｜Freelance Controllers｜

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ABB AC900F PM904F 3BDH001002R0001｜Freelance Controllers｜illustration1

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