Product Description

Loss-in-weight Weighfeeder Controller Belt Scale Controller With Ration Flow Feeding
 
      Main Features:

• Suitable for Ration Belt Weighfeeder with Ration Flow Feeding & Ration Weight Batch Control.
• EMC design with high anti-jamming capability, suitable for industrial environment.
• 32-bit ARM CPU with 72MHz & higher arithmetic speed.
• 128×64 LCD display screen with 7 background colors for English display.
• 16-key English keypad.
• Menu&Shortcut mode operation with key tone.
• High-precision ∑-△A/D conversion technology and broad-range speed pulse input circuit.
• Max. Connection Quantity: 8 Loadcells (350Ω).
• Auto-locking, Key-locking, Key-unlocking, Digital Setting&Calibration and I/O Testing functions available.
• Auto Zero Tracking, Speed Calibration and Belt Length Calibration functions available.
• One optional ‘Flow Setpoint’ analog signal input [AI: 4~20mA].
• Max.3 definable ‘Flow/Control Current /…’ analog signal outputs [AO: 4~20mA].
• Quick and steady PID ration feeding control.
• 3 Definable normally open switch inputs [DI] and 4 definable normally open relay switch outputs [DO].
• The feeder and belt weigher can be started and stopped by DI&DO signal.
• 1 ‘Totalized Weight High-speed Pulse’ output [PO].
• 2 Optional communication ports for connecting IPC/PLC, LED Remote Display, Serial Printer and Wireless Module.
• Weight Records per shift/day/month of a year can be queried and printed.
• With the multitasking mode, the weighing&control process will not be interrupted by parameter setting and the other operations.

      Technical Specification

• Executing Standard

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

² OMIL R50:1997International Recommendation.

² Accuracy Grade: 0.5.

² Accuracy of Flow Control: 0.5%~1.0%.

• Display

• 128×64 LCD display screen with 7 background colors for English display.
• Display Refreshing Time: Setting Range 0.1~2.0s.

• Kaypad

• 16-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 Horizontal Panel-mounting: 164×86×193mm [W×H×D].
• Model Vertical Panel-mounting: 86×164×193mm [W×H×D].
• Model Wall-mounting: 202×305×90mm [W×H×D].

• Panel Cut-out Size

• Model Horizontal Panel-mounting: 153×77mm [W×H].
• Model Vertical Panel-mounting: 77×153mm [W×H].

• Operating Temperature: -25℃ to +45℃.
• Storage Temperature: -30℃ to +60℃.
• Relative Humidity: Max. 85%RH.
• Protection Level

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

• Weight

• Model Panel-mounting: Approx. 1.7kg.
• Model Wall-mounting: Approx. 3.4kg.

     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.
 

State Indication