General Measure GMT-H1 Operating Instruction Download Page 21 | Manualshive

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18

Chapter 7 System Maintenance

7.1 Communication Test

The serial port test function sends and receives data in a

fixed baud rate (9600) and data format (8-N-1) to test the serial
port connection status.

1) Send TEST: send data "test-nnn".
2) Receiving test: externally send test data (only ASCii

code) to the instrument, and display the data on the display,
the length of each frame of data should not exceed 10 bytes.

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Summary of Contents for GMT-H1

Page 1: ...GMT H1 Operating instruction V E R 0 1 0 0 0 2...

Page 2: ...te into any other language version in any form or means warning The product adopts AC220V power supply Please keep the meter well grounded The product is an electrostatic sensitive device Take esd pre...

Page 3: ...f weights 15 5 3 Theoretical value calibration 16 Chapter 6 Application Settings 17 6 1 Application Setting Parameter table 17 Chapter 7 System Maintenance 18 7 1 Communication Test 18 Chapter 8 MODBU...

Page 4: ...on function Fixed I O 3 in and 3 out Variable IO 3 way interface can be customized for output input function Weight calibration and calculation Calculate the weight data by collecting the sensor suppo...

Page 5: ...platform interface connect up to 8 350 sensors support 1mV V 2mV V 3mV V sensitivity Sensitivity certified sensitivity 0 1 uV uV d d 0 5 nonlinear 0 01 F S A D conversion speed Default value 100 times...

Page 6: ...ain display blinks press this key to increase the blinking bit by 1 When the blinking position is 9 press this key to increase the blinking bit by 1 Parameter setting function selection key During dat...

Page 7: ...be short circuited Each port of the sensor connection terminal is assigned to port EX SN EX SN SIG SIG SHLD 6 wire positive Sensor positive negative sensor negative signal positive Signal negative Shi...

Page 8: ...omatic reporting Modbus TCP IP protocols Communication parameters see Section 8 for correspondence addresses A seria l port 485 COM ID Slave serial number used by serial port 1 Initial value 1 Paramet...

Page 9: ...automatic reporting Initial value Modbus TCP Double word patterns Parameter range ab cd cd ab Initial value AB CD Sending interval Continuous sending interval initial value 0 000 range 0 000 9 999s G...

Page 10: ...7...

Page 11: ...8 Chapter three menu overview...

Page 12: ...ter Selection and Setting 1 On the main screen press The parameter setting page is displayed 2 Toggle options 3 According to the The parameter Settings are displayed 4 According to the To exit Paramet...

Page 13: ...10 1 Switch parameter value...

Page 14: ...r Range 0 100 to 9 999 seconds STAB Range During the stabilization time the weight variation range is not greater than this set range and it is considered stable Initial value 1D The value ranges from...

Page 15: ...stronger the filtering but the longer the response time Initial value 0 Parameter Range 0 to 9 Sampling frequency Sampling frequency initial value 100 times SEC Scope optional 60 100 120 200 240 400...

Page 16: ...can be displayed Initial value 10000 Parameter range 1 100000 degree value The weight of the calibrat ion Autozero calibrat ion The actual millivolt of the current sensor is displayed Input zero cali...

Page 17: ...999 Calibration reset Press ENTER ENTER and input the calibration password to restore the factory Settings of the calibration parameters 5 1 Zero point Calibration Zero calibration function can be com...

Page 18: ...rent state as zero The platform should be emptied before execution 2 Record current sensor millivolt value so as to carry out input zero calibration when it is inconvenient to empty the platform Input...

Page 19: ...ugh the input connection of sensor sensitivity and sensor range value Theoretical value calibration requires three steps 1 Set sensor sensitivity for example connect multiple sensors and enter the ave...

Page 20: ...is value the instrument considers that discharging operation occurs If 0 no judgment operation will be performed Initial value 1 Scope 0 999999 Feed in and out delay In the set period of time the weig...

Page 21: ...es data in a fixed baud rate 9600 and data format 8 N 1 to test the serial port connection status 1 Send TEST send data test nnn 2 Receiving test externally send test data only ASCii code to the instr...

Page 22: ...registers are read at a time 06 Write a single register 16 Write multiple registers This command only supports writing dual registers and the address must be aligned when writing It is not allowed to...

Page 23: ...n Address Function address The PLC address meaning instructions The following is readable read function code 0x03 0000 0001 40001 40002 Weight status There are signs integers 0002 40003 Weight status...

Page 24: ...The reserved 0014 0015 40015 40016 Weight status Display values symbols floating point type 0016 0023 40017 40024 The reserved 0024 0025 40025 40026 AD internal code after filtering After filtering A...

Page 25: ...verflow during zero calibration bit0 Zero point calibration is unstable 0041 40042 Reset error code bit6 bit1 5 Read only returns 0 bit5 The sensor overflowed during zero clearing bit4 Negative sensor...

Page 26: ...eserved 0100 0101 40101 40102 Power on clearance range Initial value 0 The power on and reset function is disabled Range 0 99 full scale percentage 0102 0103 40103 40104 The reserved 0104 0105 40105 4...

Page 27: ...idin g the value Initial value 1 Scope 1 2 5 10 20 50 100 200 500 d 0206 0207 40207 40208 range Initial value 10000 Range 1 100000 degree value 0208 0209 40209 40210 The reserved 0210 0211 40211 40212...

Page 28: ...irst byte is 0 the second byte is hour the third byte is minute and the fourth byte is second 0354 0355 40355 40356 Historical weight of incoming and outgoing materials 1 Negative number means dischar...

Page 29: ...arity stop bit 8004 48005 RS485 duplex mode Initial value H L Zero H L 1 L H 8005 48006 RS485 continuous transmission interval Scope 0 9999 8006 8099 48007 48100 The reserved In the network port param...

Page 30: ...mber 8112 48113 Network port Target port number 8113 48114 Network port subnet mask 1 8114 48115 Network port subnet mask 2 8115 48116 Network port subnet mask 3 8116 48117 Network port subnet mask 4...

Page 31: ...48275 48900 The reserved Reset parameter area the following contents are read write bit state read function code is 0x03 write function code is 0x06 8900 48901 Reset of all parameters Reset parameter...

Page 32: ...er serial number 3 character 10007 410008 The fourth character of the meter serial number 10008 410009 The fifth character of the meter serial number 10009 410010 Meter serial number 6 character 10010...

Page 33: ...odel character 4 10034 410035 Meter model character 5 10035 410036 Meter model character 6 10036 410037 Meter model character 7 10037 410038 Meter model character 8 10038 410039 Meter model character...

Page 34: ...05 00306 Application parameter reset 306 00307 Clearing Historical Data 307 00308 Serial port Parameter Reset 308 00309 Reset network port Parameters 309 00310 GPRS parameters reset 310 00311 Reset al...

Page 35: ...32 408 00409 Custom IO3 Gmt h1 Supports one RS485 serial port and one network port Supports modbus RTU serial port Modbus TCP IP network port communication mode and automatic reporting mode...

Page 36: ...The weight of the The checksum 0D 0A Among them STX 1 bit start character 02H Slave machine number 3 digits ranging from 001 to 254 1 bit 2BH 2 dh Weight 7 digits including decimal point high to 0 wit...

Page 37: ...owing data is reported 02 30 30 31 4F 32 30 31 31 32 30 31 39 35 31 33 35 32 30 31 31 32 30 31 39 35 31 35 38 20 30 30 30 37 36 37 38 33 0D 0A The reported information is Slave machine number 01 State...

Page 38: ...ht data 767 The reported data are 02 30 30 31 40 2B 20 30 30 33 37 35 35 39 34 0D 0A The reported information is Slave machine number 01 State current weight is positive not in and out state Weight da...

Page 39: ...ether to enable GPRS communication or reactivate it Initial value off IMEI query The IMEI and IMSI information of the GPRS chip cannot be modified GPRS current status View the current GPRS status 8 2...

Page 40: ...es not answer the call The PC does not answer the call 2 0xFE 3 0x00 Data frame length 4 0x11 5 0x01 The command code 6 Instrument MAC1 Meter MAC address segment 7 Instrument MAC2 8 Instrument MAC3 9...

Page 41: ...ead 0xFE The fixed frame head 2 0xFE 0xFE 3 0x00 Data frame length 0x00 Data frame length 4 0x1F 0x09 5 0x02 The command code 0x82 Return command code 6 Report Serial Number high 8 digits Report the m...

Page 42: ...er will check out whether electricity storage have been sent the historical data if you have read to send queue to send them one by one if not then continue to wait for front rear event occurs 11 Inst...

Page 43: ...00 Data frame length 4 0x0E 0x09 5 0x03 The command code 0x83 Return command code 6 Download serial Number high 8 digits Download parameter serial number Download serial Number high 8 digits Correspon...

Page 44: ...41 11 Destination IP address segment 4 12 Destination port number 1 New destination port number 13 Destination port number 2 14 0XED terminator...

Page 45: ...42 Chapter 11 Product size...

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