Three-quarter view of white EC FFU speed controller with blue rotary knob and digital display

FFU dan Peralatan Pemurnian Udara Terminal

Pengontrol Kecepatan EC FFU

A local low-voltage controller that adjusts one EC fan filter unit through an isolated 0–10 V or PWM command and displays its operating setpoint.

Local Airflow Setpoint
Isolated 0-10 V Output
Remote Enable Input
Compact Wall Mount

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Perkenalan produk

The EC FFU speed controller provides a simple room-side interface for one fan filter unit or a small matched pair. A sealed rotary knob sets the airflow command, and an optional digital display shows percentage, voltage or fan feedback. Galvanic isolation protects the low-voltage signal from field wiring noise, while a remote enable input allows a door interlock, occupancy relay or supervisory panel to place the FFU into standby. The controller regulates the EC motor command only; mains isolation and motor protection remain within the FFU electrical assembly.

Fitur utama:

A positive-action rotary setpoint enables quick local adjustment without opening an electrical cabinet.

The isolated analogue output reduces ground-loop errors on long control cables.

Remote enable contacts permit standby operation from an external cleanroom sequence.

A removable terminal plug speeds replacement without disturbing fixed field conductors.

Kekhawatiran produk pelanggan

A standalone EC FFU needs stable speed adjustment without exposing mains wiring or forcing operators to reach above the cleanroom ceiling.

The factory trim potentiometer is inaccessible after the FFU is installed above the ceiling.A room-side rotary control places the setpoint at a convenient operating location.

Voltage drop and electrical noise make the fan speed drift on a long signal cable.An isolated 0-10 V output and referenced common improve command stability.

The fan must enter standby when a process tool stops, but its speed setting should be retained.A separate enable input disables the output without moving the setpoint knob.

Replacing a failed controller requires every conductor to be removed individually.A keyed pluggable terminal block disconnects the complete low-voltage harness as one assembly.

Aplikasi yang Tipis

Single EC fan filter unitsClean benches and mini-environmentsIndependent ceiling FFU zonesEquipment fan filter modulesLaboratory clean-air stations

Parameter teknis

Representative physical ranges for a local EC FFU speed controller are listed below.

Bahan inti	Microcontroller board with isolated 0-10 V or PWM output, sealed potentiometer and optional digital display
Ketebalan Panel (Panel Thickness)	45-90 mm installed controller depth
Efektif lebar	86-150 mm faceplate width
Panjang maksimum	Up to 200 mm enclosure height
Baja menghadap ketebalan	0.8-1.0 mm stainless or powder-coated steel mounting plate when specified
Kepadatan inti (core density)	Approximately 1800-1900 kg/m³ nominal density of the FR-4 substrate used in the EC speed controller
Konduktivitas Termal (Thermal Conductivity)	Approximately 0.25-0.40 W/(m·K) through the compact FR-4 board in the EC speed controller
Permukaan selesai	White flame-retardant polymer or cleanroom-white powder-coated metal faceplate with blue control knob
Jenis Bersama	Flush or surface wall mount with keyed pluggable low-voltage terminals or RJ-style control connector
Customization (Kustomisasi)	Tersedia berdasarkan aplikasi yang dimaksudkan dan lingkungan operasi.

Pilihan yang tersedia

Rotary-only or digital display version0-10 V, PWM or EC motor-specific outputRemote enable and fault inputFlush wall plate or surface enclosure

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