WFC

Hasler controller

WFC, le contrôleur électronique simplifé HASLER
Logo de la marque Hasler

The WFC is used for HASLER® SIMPLE weight beltfeeders

The WFC (Weight Feeder Controller) is a single feeder control module to acquire and process feeder inputdata, command signals and to pilot the motor drive unit.

Technical sheet

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Feeder and Control Module - All in one

  • Communication with host system through various integrated protocols
  • Easy commissioning
  • Multilingual including : EN, FR, DE, SP, IT, PO, CN, RU
  • Help on alarm information directly on the LCD screen
  • Advanced filtering on weight load cell
  • Easy connection of maintenance terminal through ethernet (RJ45)
  • Two mounting possibilities are supported FIELD and PANEL
  • Less cabling on site with FIELD version

Configuration and maintenance software allowing

  • Website server for maintenance
  • Read & Write of parameters saved by SD Card
  • Diagnostics (data acquisition, trend graphic recorder, etc.)
  • Remote maintenance

Communication with the Host Sytem

  • Modbus TCP (Ethernet)
  • Modbus RTU (RS422)
  • Profi bus DP (RS485)·

Detailed information via graphic display

Examples of mounting

WFC and Frequency Inverter
in remote location (electrical cabinet)

Feeder with on-board WFC
and Frequency Inverter

Cell connections

Analog load-cellDigital load-cellAnalog strain-gauge load cell (through converter) in 4 or 6 wires (up to 1 million points resolution)

Digital load-cell (1 million points) i.e. SFT

In any case, fast weight acquisition and adjustable digital filter allows to compensate structural vibrations

Technical data

Software applicationWBF

GRAVIT

MAMMUTHUS

POWDRIT
Massflow measurement
Massflow PID regulation
Prefeeding PID regulation
Prefeeder PID regulation with level measure
Proportioning valve control
Belt control (drift, slippage…)
Segmented belt taring

Power requirements

  • Supply voltage : 115VAC +/-10% to 230 VAC +/-10%
  • Supply frequency : 47 – 63 Hz
  • Max. Power Consumption. : 50 W
  • Switch-On Currentl : Max. 2A for 2AC for 1 or 2 power cycles

Dedicated Inputs / Outputs

  • Digital Inputs (standard) (i.e., 24VDC...) : 10
  • Digital Outputs : 9
  • Digital Inputs for speed : 2
  • Analog Input : 1
  • Analog Output : 3

Environmental ratings

  • Area Classification : General Purpose
  • Operating Ambient Temp. : -20°C to 60°C
  • Storage Ambient Temp : -25°C to 70°C
  • Operating Altitude : <3000m
  • Max. Humidity :  95% at 25°C witout condensation(DIN 4004 to 0 Class F)
  • Degree of Protection : IP65

Inputs / Outputs specifications

  • Digital Inputs : 12 – 24 VDC
  • Digital Outputs : 24 VDC 24 VDC / 230 VAC / Relay SPST-SPDT
  • Analog Inputs : 0 - 20 mA / 4 - 20 mA / 0 – 10 V
  • Analog / Outputs : 0 -20 mA /4 -20 mA/0 -10V

Dimensions of WFC FIELD

  • Height : 176 mm
  • Width : 260 mm
  • Depth : 168 mm

Host communication

  • Modbus TCP (Ethernet )
  • Modbus RTU
  • Profibus DP

Dimensions of WFC PANEL

  • Longueur : 162 mm
  • Largeur : 210 mm
  • Hauteur : 176 mm

Electrical Standards

  • General electrical emissions : EN50081-2
  • General Electrical Immunity : EN50082-2
  • Electrical safety : EN61010-1

Certification