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Product Description

GM8804C-7 Check-weigher controller

The weighing controller is a ultra high performance check-weigher controller with many patented technology over 25 years and core competence in data processing and filtering. This controller offers the state-of-art ability to balance between data stability and response speed, making it the highest performing check-weigher controller on the market.

 

 

  • Key Features
  • Specification
  • Dimension

 CE approved

 20 I/O control ports (8 inputs / 12 outputs)

 Patent pending two-layer advanced digital filtering algorithm 

 RS232 / RS485 serial communication ports.


INDICATOR POWER

Power Supply

90V260V AC 50Hz(or 60Hz)±2%

Power Consume

About 15W

A/D CONVERTER

Type

24-bit Delta-Sigma

Analogue input range

0.2mV to 27mV

Linearity

<0.01%FS

Gain Drifting

10PPM/℃

Minimum Sensitivity

0.5 µ V/d

Conversion Rate

120/s

Display Accuracy

1 / 100,000

DISPLAY & KEYBOARD

Main Display

6 digits, 7 segments, VFD

Sub Display

3 digits, 7 segments, VFD

Keyboard

16 buttons with beeping feedback

Status Indicators

(18 VFD indicator) ZERO, STAB, RUN, SUM, OVER, UNDER, SP1, SP2, SP3, DISC, NZ, FILL, HILIM, HI, GO, LO, LOLIM, HOLD

LED Status

Gross, Net, Tare, Pack

CALIBRATION & WEIGHING FUNCTIONS

Calibration

By test weight or by electronic calibration

Digital Filter

Multiple FIR filter with 9 selectable levels

Weighing Functions

zero, zero tracking, auto-zero at power

ENVIORNMENTAL

Operating Temperature

-10℃ to 40℃

Storage Temperature

-25℃ to 70℃

Relative Humidity

90% R.H without dew

IP Level

Front panel IP 65

LOAD CELLS

Excitation

12V

Load Cells

Drives 8pcs Load Cells 350Ω

MECHANICAL DATA

Dimensions & Weight

165×181×98 mm (L×W×H)      weight approx. 2.5kg

Standard Mounting

Panel Mount

Certification

CE

Enclosure

ABS front panel, cast aluminum body

DIGITAL INPUT

Input Number

8

Input Functions

(11 Self-defined  functionsRun, Stop, Zero, Alarm, Tare subtraction, Reset tare, Gross/NetProduct codeDetecting signal,  Printing accumulationKeypad lock.

DIGITAL OUTPUT

Output Number

12

Output Functions

(22 Self-defined functions)  Run, Stop, Buzzer, Busy, Near zero, Checking, Hold, Over, OK, Tolerance, Batches completed,  Alarm, Stable, HILIM, HI, GO, LO, LOHIM, Gross, Net, Detecting feedback, Over tolerance.

INSTRUMENT WITH ANALOGUE OUTPUT(OPTIONAL)  

Type

Isolated 16-bit D/A converter

Accuracy

0.04%

Voltage Output

0-5V / 0-10V / -5-5V / -10-10V

Current Output

4-20mA / 0-20mA / 0-24mA

PRINT FUNCTION(OPTIONAL)

Print

RS232 Port

UART RS232/RS485 INTERFACE

CONT

Continuous Sending

CHER

Checking Result

Modbus

Standard Modbus RTU

SAFETY

Parameter Password protected

Fuse Protection

SHENZHEN GENERAL MEASURE TECHNOLOGY CO., LTD.

Add:Block 6, Science & Technology Industrial Park of Privately Owned Enterprises, Pingshan, Xili, Nanshan District, Shenzhen, P.R.China.

Post code :518055  Tel :+86-755-86352031 ; 86352035  Fax :+86-755-26632060 ; 86313850  E-mail :sales@szgmt.com

Copyright @ 2012 General Measure Co., Ltd. All Rights Reserved. Guangdong ICP for no. 10228286-4