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2. Technical Specification
Executing Standard
CMC GB/T 7724-2008
《
Electronic Weighing Meter
》
PRC National Standard.
OMIL R50:1997
《
Continuous Totalizing Automatic Weighing Instruments
》
International
Recommendation.
Accuracy Grade: 0.5.
Display
128×64 LCD display screen with 7 background colors for English/Chinese display.
Display Refreshing Time: Setting Range 0.1~2.0s.
Kaypad
Optional 16-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.
∑
-
△
ADC: 24-bit, 100,000 internal code used.
Sampling Frequency: 200Hz.
Zero Drift: ±0.1
μV/
℃
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.
