Zemic GM8802C-E User Manual Download

Page: 9 / 56

GM8802C-E Compact Transmitter

- 4 -

GM8802C-0E110102

1.4 Technical Specifications
General Specifications:

Power supply:

DC24V ± 5%

Working temperatures

：

-10

～

℃

Humidity:

90%R.H

without dew

Power: about

Dimensions

：

92×90×45

（

）

Analog Part:

Load cell exciting voltage

：

DC5V 280mA

（

MAX

）

Input resistance

：

10M

Ω

Zero point adjustment range

；

0.2

～

8mV

Input sensitivity

：

0.5uV/d

Summary of Contents for GM8802C-E

Page 1: ...GM8802C E User s Manual GM8802C 0E110102 4 8 0 1 0 2 0 3 2 3 1 0 0 3...

Page 2: ...NTS 1 General Description 1 1 1 General Description 1 1 2 Functions and Features 1 1 3 Front Panel 2 1 4 Technical Specifications 4 2 Installation 6 2 1 Connection of Load Cell 6 2 1 1 6 wires Connect...

Page 3: ...of Analog Output 11 2 4 Connecting with GM8891C Indicator 12 2 4 1 The Front Panel Description of GM8891C 13 2 4 2 Rear Panel Description of GM8891C 15 2 4 3 The Relevant Parameters of GM8891C 16 2 4...

Page 4: ...for Calibration with Weight 29 4 3 Method of Calibration without Weight 30 4 5 Table for Parameter Calibration 2 35 5 Working Parameters Setting 35 5 1 Parameter Setting Method 35 6 Operation 41 6 1...

Page 5: ...6 3 Connected with PC 44 7 Common Problems 45 8 Dimensions 49 9 Appendix 50...

Page 6: ...used in weight transmitted industry field 1 2 Functions and Features Small dimension to operate easier Suitable for all resistance strain sensors Calibration and parameters through outer digital oper...

Page 7: ...GM8802C E Compact Transmitter 2 GM8802C 0E110102 1 3 Front Panel...

Page 8: ...upply 2 Input Interface of Weighing Sensor 3 Output interface of Analog 4 Communication Interface of Parameter Setting POWER Indicator Light of Power Supply OUT Indicator Light of Analog output COM In...

Page 9: ...s General Specifications Power supply DC24V 5 Working temperatures 10 40 Humidity 90 R H without dew Power about 3w Dimensions 92 90 45 mm Analog Part Load cell exciting voltage DC5V 280mA MAX Input r...

Page 10: ...GM8802C 0E110102 5 Input range 0 02 10 5mV A D conversion Sigma Delta A D conversion speed 200times second Non linear 0 01 F S Gain drifting 10PPM D A resolution ratio 16 Bits Analog output 4 20mA 0...

Page 11: ...hose the four wired load cells you must bridge the SN with EX and bridge the SN with EX Because the input signal of the sensor is a analog signal it is more sensitive to electronic noise so this signa...

Page 12: ...E Compact Transmitter GM8802C 0E110102 7 The signal definition of each port of the load cell connector as follows Port EX SN EX SN SIG SIG GND Definition Excitation Sense Excitation Sense Signal Signa...

Page 13: ...GM8802C E Compact Transmitter 8 GM8802C 0E110102 2 1 1 6 wires Connection Load cell Shield...

Page 14: ...GM8802C E Compact Transmitter GM8802C 0E110102 9 2 1 2 4 wires Connection...

Page 15: ...GM8802C E Compact Transmitter 10 GM8802C 0E110102 2 2 Connection of Power Supply GM8802C E transmitter uses 24V direct current power and the connection as follows 24 Negative pole 24 Positive pole...

Page 16: ...11 2 3 Connection of Analog Output GM8802C E transmitter can change the current weight value into analog output the output interfaces are Vout Iout and GND as follows Here Vout Analog output positive...

Page 17: ...on interface to set parameters and digital display COM indicator light will flash for success connection and communication GM8891C indicator will display the parameters weighing value and working stat...

Page 18: ...act Transmitter GM8802C 0E110102 13 2 4 1 The Front Panel Description of GM8891C GM8891C Front Panel Figure The main display 6 bits displaying the weight data analog output and relevant data Status in...

Page 19: ...hopper is 0 1 4d STAB Stable lights up when the weighing value is within stability criterion range DATA lights up when it display mA or V output Keyboard Zeroing and exit from the current function sta...

Page 20: ...GM8802C E Compact Transmitter GM8802C 0E110102 15 2 4 2 Rear Panel Description of GM8891C GM8891C Rear Panel Figure 1 Communication interface 2 GND connection...

Page 21: ...s red super luminescent nixie tube State display 3 green LED Negative number display Overflow display OFL Decimal point position 5 options Keyboard Four key beep keyboard 2 4 4 Connecting Cable Specia...

Page 22: ...tal operational panel as follows users must have special communicating cable and either GM8891C indicator or special PLC software produced by our company Step no 1 Firstly power off GM8891C and GM8802...

Page 23: ...igure a Step no 2 Then power up GM8802C E 24V GM8891C indicator will display value after 2 seconds which means user can set parameters now otherwise failed so please power off and check the communicat...

Page 24: ...GM8891C Step no 4 After finished please disconnect GM8802C E and GM8891C and power up GM8802C E again Note The function of our special PLC software is similar as GM8891C indicator so the above four s...

Page 25: ...802C 0E110102 then operate this PLC software open the interface Baud rate is 19200 power up GM8802C E till the PLC display show When successfully connected you can start to set parameter and calibrati...

Page 26: ...arameters and calibration etc Data input operation is needed during calibration and parameter setting as follows Press the following keys to finish the data input operation when the display flicker bi...

Page 27: ...ition move 1 place to the right When the flickering digit is the last place press the key then the flickering place move to the left place Confirm the data input and finish the operation Zeroing all t...

Page 28: ...longer meet the user s needs due to any part of the weighing packing system was changed Please refer to the following details 1 When GM8802C E and GM8891C are connected correctly user can press GM889...

Page 29: ...GM8802C E Compact Transmitter 24 GM8802C 0E110102 4 1 Calibration Method...

Page 30: ...GM8802C E Compact Transmitter GM8802C 0E110102 25...

Page 31: ...GM8802C E Compact Transmitter 26 GM8802C 0E110102...

Page 32: ...GM8802C E Compact Transmitter GM8802C 0E110102 27...

Page 33: ...GM8802C E Compact Transmitter 28 GM8802C 0E110102...

Page 34: ...ion with Weight Record the zero millivolt value gain millivolt value and weight value in the below table for later urgent calibration without weight Please follow below flow chart for calibration meth...

Page 35: ...of Calibration without Weight Input the Millivolt value recoded at step 4 2 for urgent calibration But if sensor was changed or there is any change in controller system the above record will be inacc...

Page 36: ...GM8802C E Compact Transmitter GM8802C 0E110102 31...

Page 37: ...GM8802C E Compact Transmitter 32 GM8802C 0E110102...

Page 38: ...GM8802C E Compact Transmitter GM8802C 0E110102 33...

Page 39: ...Calibration 1 Symbol Parameter Type Parameter Initial Value Pt Decimal Place 5 0 0 0 0 00 0 000 0 0000 0 1d Min Scale Division 6 1 2 5 10 20 50 1 CP Max Capacity Min scale division 30000 10000 SE Sen...

Page 40: ...ter GM8802C 0E110102 35 4 5 Table for Parameter Calibration 2 5 Working Parameters Setting 5 1 Parameter Setting Method Parameter Desired value Date Remark Decimal Place Min Scale Division Sensitivity...

Page 41: ...GM8802C E Compact Transmitter 36 GM8802C 0E110102...

Page 42: ...GM8802C E Compact Transmitter GM8802C 0E110102 37...

Page 43: ...GM8802C E Compact Transmitter 38 GM8802C 0E110102 1 Press to select a desired item among sibling items 2 Press to enter the screen for setting working...

Page 44: ...E Compact Transmitter GM8802C 0E110102 39 parameters confirm then exit Press to return to last item 3 Press to select a desired parameter value 4 Pls refer to appendix 1 for detail descriptions of par...

Page 45: ...GM8802C E Compact Transmitter 40 GM8802C 0E110102 5 2 Descriptions of Working Parameters...

Page 46: ...ill change the weight signal into the standard analog signal OUT indicator light lights up The OFL indicator light lights up when the measurement signal is over the largest span or the input signal is...

Page 47: ...ht lights up if the current weight value is within 0 1 4d the STAB indicator light lights up if the change of current weight value is within Stability criterion range 6 1 Zeroing Operation Under norma...

Page 48: ...current weight value press to display the corresponding analog output value mA or voltage of the current weight as well as mA V indicator light lights up Then press again to return to display the cur...

Page 49: ...each other through our special communicating cable the fixed Baud rate is 19200 Operating GM8802C E transmitter through our special software in PLC and the concrete operation steps are identical with...

Page 50: ...ning appears the main display of GM8891C indicator will display the warning information and then automatically return to its original status after stop for some time The detail information is as follo...

Page 51: ...uring zero calibration a Connection error of load cell please check the connection of load cell b Put heavy objects in the weighing hopper or platform if the warning disappears the possible cause is t...

Page 52: ...form is too light to measure by GM8802C E c Error in connection with load cell and the possible cause is looseness Note if the connection between the instrument and load cell uses 4 wire system EX sho...

Page 53: ...me of gain calibration the entered gain maximum capacity 5 The display will be unstable for field vibration so please check the filtering parameter and properly increase it The filtering parameter is...

Page 54: ...GM8802C E Compact Transmitter GM8802C 0E110102 49 8 Dimensions...

Page 55: ...f Max Capacity 3 1 9 1 Stability criterion range 1 9d optional 4 0 1 1 0 0 5 Stability criterion time 0 1 1 0d 5 0 9 1 Zero tracking range 0 9d 6 0 5 1 0 1 5 2 0 1 0 Zero tracking time 0 5 1 0 1 5 2 0...

Page 56: ...GM8802C E Compact Transmitter GM8802C 0E110102 51...

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