Dust proof Electronic Measure Belt Weighfeeder Controller With Signal Junction Box

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

• 8+4+4 Red LED digital tubes for English character and digit display.
• Display Refreshing Time: Setting Range 0.1~2.0s.

• Kaypad

• Optional 6-key English keypad, Simplified Chinese keypad and Complex Chinese keypad.
• Menu&Shortcut operation with key tone.

• Loadcell Interface

• Excitation Voltage/Max. Current: DC10V/250mA [8-350Ω loadcells].
• Signal Input Range: 0~25mV.
• 24-bit ∑-△ADC with internal resolution 1/1,000,000.
• Sampling Frequency: 400Hz.
• Special Anti-vibration Digital Filtering Algorithm for precise weighing, stable display and rapid response.
• 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].

• 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.
• Protection Level

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

• Weight

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

Model Panel-mounting / Wall-mounting 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.

*: Keep the key pressed for 2 seconds.

Model Panel-mounting Installation

Model Panel-mounting Terminal

Ration Flow Auto-Feeding System: