Dust-proof Belt Scale Controller, Loss-in-weight Weighfeeder with Ration Flow Feeding

      Technical Specification

• Executing Standard

1.CMC GB/T 7724-2008PRC National Standard.

2.OMIL R50:1997International Recommendation.

3.Accuracy Grade: 0.5.

4.Accuracy of Flow Control: 0.5%~1.0%.

• Display

• 128×64 LCD display screen with 7 background colors for English display.
• 4+4 Red LED digital tubes for digit display [Model Panel-mounting].
• Display Refreshing Time: Setting Range 0.1~2.0s.

• Kaypad

• 6-key English keypad.
• Menu&Shortcut operation with key tone.

• Loadcell Interface

• Excitation Voltage/Max. Current: DC10V/250mA [8-350Ω loadcells].
• Signal Input Range: 0~25mV.
• ∑-△ADC: 24-bit, 100,000 internal code used.
• Sampling Frequency: 200Hz.
• Zero Drift: ±0.1μV/℃ RTI (Relative to Input).
• Gain Drift: ±5ppm/℃.
• Non-linearity: 0.005%FS.

• Speed Sensor Interface

• Output Voltage/Max. Current: DC12V/100mA.
• Speed Pulse Input Range: 0.5~3000Hz.

• Switch Signal Interface

• 3 Normally Open Switch Inputs [DI].
• 4 Normally Open Relay Switch Outputs [DO]: AC250V/DC24V, 1A.
• 1 ‘Totalized Weight High-speed Pulse’ Output [PO]: 100mA, DC5~24V; Weight per Pulse and Pulse Width can be preset.

• Analog Signal Interface

• Max.3 Definable ‘Flow/Control Current /…’ Analog Signal Outputs [AO]: 4~20mA, Non-linearity: 0.05%FS; AO3 is optional.
• 1 Optional ‘Flow Setpoint’ Analog Signal Input [AI]: 4~20mA, Non-linearity: 0.05%FS.

• 
  Digital Communication Interface

• COM1: Optional RS232/RS485/RS422/Profibus-DP/Ethernet modules.
• COM2: RS232.
• Connectable: IPC/PLC, LED Remote Display, Serial Printer and Wireless Module.

• Report Print

• Weight Records per shift/day/month of a year can be queried and printed.

• Operating Specification

• Operating Voltage: AC220V±15%, 50/60Hz.
• Max. Power Consumption: 15W.
• Outline Size

• Model Panel-mounting: 160×84×188mm [W×H×D].
• Model Wall-mounting: 202×305×90mm [W×H×D].
• Model Explosion-proof: 340×390×205mm [W×H×D].

• Panel Cut-out Size

• Model Panel-mounting: 151×76mm [W×H].

• Operating Temperature: -25℃ to +45℃.
• Storage Temperature: -30℃ to +60℃.
• Relative Humidity: Max. 85%RH.
• Application Environment of Model Explosion-proof

• Explosion gas environment: Zone 1&2.
• Classes of explosion gas mixture: IIA, IIB.
• Temperature grades of explosion gas mixture: T1~T6.
• Ex-mark: Ex d IIB T6 Gb.

• Protection Level

• Front Panel of Model Panel-mounting: IP65.
• Model Wall-mounting: IP65.
• Model Explosion-proof: IP65.

• Weight

• Model Panel-mounting: Approx. 1.5kg.
• Model Wall-mounting: Approx. 3.4kg.
• Model Explosion-proof: Approx. 19.2kg.

     Model Wall-mounting Operation Interface

            Model Wall-mounting Installation

       Keypad Operation

If there is not any keypad operation in one minute and it’s not in the processes of ‘F2 Calibration’ & ‘F6 Factory Adj.’, the controller will return to ‘Main Display Interface’ automatically.

         Ration Flow Auto-Feeding System