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SCT-20 Series

12

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2.1.2 Theoretical Calibration

This function allows load cell rated values to be set. To perform the theoretical calibration set



,



and



in

sequence. See

Figure 2-2 on page 10

.

1. Press and hold

, then press .



is displayed.

2. Press

.



is displayed. Press

.

3. Press or until total load cell capacity (system full scale) is displayed. Press

.

4. Press or until



is displayed. Press

.

5. Press or until desired load cell mV/V is displayed. Press

.

6. Press or until



is displayed. Press

.

7. Press or until desired display division size is displayed. Press

.

8. Press twice to exit setup menu.

By modifying the theoretical full scale, the sensitivity or divisions, the Weight (Span) Calibration is canceled and only

the theoretical calibration is considered valid.
If the theoretical full scale and the recalculated full scale in Weight (Span) calibration (

Section 2.1.6 on page 13

) are

equal, this means that the calibration currently in use is theoretical calibration; if they are different, the calibration in

use is the Weight (Span) Calibration based on test weights.
By modifying the theoretical full scale, the sensitivity or divisions and all the system’s parameters containing a

weight value will be set to default values (setpoints, hysteresis, etc.).

2.1.3 Maximum Capacity (



)

Maximum capacity is the highest weight of live load/product that can be displayed. When the weight exceeds this value by 9

divisions, the following is displayed:

------

. To disable this function, set to 0.

1. Press and hold

, then press .



is displayed.

2. Press

,



is displayed.

3. Press or until



is displayed. Press

.

4. Press or until desired capacity is displayed. Press

.

5. Press twice to exit setup menu.

2.1.4 Zero Setting

Use Zero Setting to zero the scale after use or to compensate for variations due to environmental factors.
Perform this procedure after having set the theoretical calibration. See

Section 2.1.2 on page 12

.

This menu may also be accessed directly from the weight display. Press and hold for three seconds.

1. Press and hold

, then press .



is displayed.

2. Press

.



is displayed.

3. Press or until



is displayed. Press

. The weight value to be set to zero is displayed and all of the

LEDs are flashing.

4. Press

, the weight is set to zero and the value is stored to the permanent memory.

5. Press twice to exit set-up menu.

Press to display the accumulated deadload that has been zeroed off by the instrument, displaying the sum of all

of the previous zero settings.

Note

Note

Note

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Содержание SCT-20

Страница 1: ...SCT 20 Series Signal Conditioning Transmitter Indicator Technical Manual PN 131128 Rev H March 2 2022 ...

Страница 2: ... respective companies All information contained within this publication is to the best of our knowledge complete and accurate at the time of publication Rice Lake Weighing Systems reserves the right to make changes to the technology features specifications and design of the equipment without notice The most current version of this publication software firmware and all other product updates can be ...

Страница 3: ...u 9 2 1 1 Calibration 10 2 1 2 Theoretical Calibration 12 2 1 3 Maximum Capacity NASS 12 2 1 4 Zero Setting 12 2 1 5 Zero Value Manual Entry 13 2 1 6 Weight Span Calibration With Test Weights 13 2 1 7 Setting Units of Measure 14 2 1 8 Display Coefficient 14 2 2 Filter On The Weight 15 2 3 Zero Parameters 16 2 4 Serial Communication Settings 16 2 4 1 RS 485 Serial Communication 18 2 5 SCT 20 Device...

Страница 4: ...3 6 SCT 20 DeviceNet 30 3 7 PROFIBUS 32 3 8 SCT 20 EtherNet IP 36 3 8 1 Instrument Setup 36 3 8 2 Single Port EtherNet IP Interface 37 3 8 3 Dual Port EtherNet IP Interface 37 3 9 SCT 20 Ethernet TCP IP 41 3 10 Modbus TCP 43 3 10 1 Set IP Address Via Telnet 43 3 10 2 Set IP Address with Lantronix Software 44 3 11 Modbus RTU Protocol 45 3 12 ASCII Bidirectional Protocol 50 3 13 Fast Continuous Tran...

Страница 5: ...this manual has been read and all instructions are understood Failure to follow the instructions or heed the warnings could result in injury or death Contact any Rice Lake Weighing Systems dealer for replacement manuals Failure to heed could result in serious injury or death There are no user serviceable parts Refer to qualified service personnel for service The unit has no power switch to complet...

Страница 6: ...noid valve and remote control switch coils To avoid electrical noise in the SCT Weight Transmitter panel use special filters or sheet metal partitions to isolate The panel installer must provide electrical protection for the instruments fuses door lock switch etc It is recommended to leave the equipment powered on at all times to prevent the formation of condensation Maximum Cable Lengths RS 485 1...

Страница 7: ...nt and check that there is no moisture in the load cell junction box caused by condensation or water infiltration If so drain the system or replace it if necessary The value between the positive signal wire and the negative signal wire must be equal or similar to the one indicated in the load cell data sheet output resistance The value between the positive excitation wire and the negative excitati...

Страница 8: ... The PROFIBUS Option has a PROFIBUS DP V0 Source port that allows the device to exchange the main system parameters with a PROFIBUS primary The PROFINET IO Dual Port Option allows exchange of the weight and the main parameters with a Profinet IO controller The Ethernet Option has an EtherNet IP device port that allows the device to exchange the main system parameters with an EtherNet IP scanner Th...

Страница 9: ...10 on page 24 EXCITATION EXCITATION 4 wire load cell connection SHIELD SIGNAL SIGNAL 1 2 3 4 5 6 RS485 Relay Outputs 115Vac 150mA 12 24Vdc SIGNAL EXCITATION SHIELD EXCITATION SENSE SENSE Inputs 5 24Vdc SIGNAL Current output max load 300 ohm Voltage output min load 10 kohm 6 wire load cell connection Analog Output shown See below for DeviceNet PROFIBUS Ethernet IP or Modbus TCP RS485 Termination PO...

Страница 10: ...ource not initialized LED off DeviceNet KO PROFIBUS Model LED Function PROFIBUS Status Blinks quickly PROFIBUS OK Blinks slowly about 0 5s PROFIBUS error PROFINET IO Model LED Function PROFINET Status Blinks quickly PROFINET IO OK Blinks slowly about 0 5s PROFINET IO error EtherNet IP Model LED Function EtherNet IP Status Blinks quickly Ethernet OK Blinks slowly about 0 5s EtherNet IP KO RJ45 Conn...

Страница 11: ...ing Escape from a parameter or return to previous menu or operation mode Scroll Backspace Captures Tare Gross Net Removes Tare Net Gross Move to the previous parameter in a level or scroll to the next digit in a parameter value Next Data Entry Save to alibi memory if present mV load cell test Move to the next parameter in a level or increment a value in a parameter Enter Setting setpoints and hyst...

Страница 12: ...ification tag is present on the instrument and on the cover If the instrument has not been calibrated follow the calibration instructions in Section 2 1 1 on page 10 before proceeding to next step 4 Reset to zero See Section 2 1 4 on page 12 5 Check the calibration with test weights and correct the indicated weight if necessary See Section 2 1 6 on page 13 6 Set the desired output type and the ful...

Страница 13: ...Serial Communications settings Section 2 4 on page 16 DeviceNet options for outputs and inputs configuration Section 2 10 on page 24 Table 2 1 Configuration Parameters W 6W 2XW Q Q 2XW 18 Enter DeviceNet Models 3 W U 6 W3 Proﬁbus Models 68 3 6 Q2 Ethernet Models W8 E G 68EQ 7 E G 3 GGU E G 6 U E 8G G 8Q W Enter GGU 6 W X72 7U 3 U W U E Analog Models 1 2 3U2 W Q W GGU Enter See Figure 2 2 on page 1...

Страница 14: ...ystem Full Scale determined by multiplying one load cell capacity by the number of load cells used Example of system full scale value calculation 4 cells of 1000 kg FULL SCALE 1000 X 4 4000 NOTE The instrument is supplied with a theoretical full scale value corresponding to 10000 To restore factory values set 0 as full scale Table 2 2 Calibration Menu Parameters Parameter Options Description Table...

Страница 15: ...the accumulated deadload weight that has been zeroed off Estimated Dead Load Value of the scale when a scale contains product that cannot be removed the value entered is the dead load this value is replaced if the zero function is performed Weight Span Calibration after the theoretical calibration is complete and zero is set the calibration can be adjusted with actual test weights by changing the ...

Страница 16: ...sensitivity or divisions and all the system s parameters containing a weight value will be set to default values setpoints hysteresis etc 2 1 3 Maximum Capacity Maximum capacity is the highest weight of live load product that can be displayed When the weight exceeds this value by 9 divisions the following is displayed To disable this function set to 0 1 Press and hold then press is displayed 2 Pre...

Страница 17: ...ce to exit set up menu Example For a system of maximum capacity of 1000 kg and 1 kg division two test weights are available one 500 kg and one 300 kg Load both weights onto the system and correct the indicated weight to 800 Now remove the 300 kg weight the system must show 500 remove the 500 kg weight too the system must read zero If this does not happen it means that there is a mechanical problem...

Страница 18: ...ms Grams Tons Pounds Newtons Liters Bars Atmospheres Pieces Newton meters Kilogram meters Other generic units of measure not included on the list Indicates it is possible to set the display coefficient To use it is necessary to enable it closing the input See Section 2 1 8 Table 2 3 Units of Measure Display Definition Display Coefficient pounds The value set in will be multiplied by the weight val...

Страница 19: ...g as the variations are smaller than the corresponding Response Time The filter setting is dependent on the type of application and the required update rate see Table 2 5 Setting the parameter allows a stable weight display to be obtained To increase the effect weight more stable increase value 1 Press and hold then press is displayed 2 Press or until is displayed 3 Press The currently programmed ...

Страница 20: ...act keypad or serial protocol 0 max 20 of full scale Automatically zeros the scale at power on If the weight value is lower than the value set in this parameter the scale will zero itself provided the weight does not exceed the value in the 0 SET parameter To disable this function set to 0 1 5 Zero tracking Automatically zeros the scale when within the range specified as long as the weight is with...

Страница 21: ...ht transmission protocol see Section 3 14 Set BAUD 9600 PARITY none STOP 1 When the remote display is set to gross weight if the instrument displays the gross weight the remote display shows the gross weight if the instrument shows the net weight the remote display shows the net weight alternated with the message net 2400 4800 9600 19200 38400 115200 Transmission speed 1 99 1 Instruments address M...

Страница 22: ...ve mentioned resistors Direct Connection Between RS 485 And RS 232 Without Converter Since a two wire RS 485 output may be used directly on the RS 232 input of a PC or remote display it is possible to implement instrument connection to an RS 232 port in the following manner This type of connection allows a SINGLE instrument to be used in a ONE WAY mode Instrument RS 232 RS 485 RXD RS 485 GND Table...

Страница 23: ... for the minimum analog output value NOTE Only set a value different from zero to limit the analog output range Example for a full scale value of 10000 kg a 4 mA signal at 5000 kg is required and 20 mA at 10000 kg in this case instead of zero set 5000 kg Set the weight value for the maximum analog output value it must correspond to the value set in the PLC program default calibration full scale Ex...

Страница 24: ...nalog output 10 V Weight 5000 kg analog output 5 V Weight 10000 kg analog output 0 V 2 7 PROFIBUS Settings 1 Press and hold and is displayed 2 Press or until is displayed 3 Press is displayed Press 4 Press or until desired value is displayed Press 5 Press twice to exit set up menu Full scale analog output correction if necessary adjust the analog output allowing the PLC to indicate the value set i...

Страница 25: ... exit set up menu PROFINET IO follows the same steps for configuring IP settings Figure 2 7 SCT 20 IP Menu Structure Parameter Options Description Little Endian Big Endian Allows selection of reading writing of bytes A b C d Set IP address in the EtherNet IP network A b C d Set Subnet mask A b C d Set the Gateway address Indicates default value Table 2 13 SCT 20 IP Menu Parameters Note FILtEr PArA...

Страница 26: ...ight transmission protocol streams net and gross including decimal See Section 3 14 on page 55 Set BAUD 9600 PARITY none STOP 1 Continuous weight transmission protocol Section 3 14 on page 55 Set BAUD 9600 PARITY none STOP 1 When the remote display is set to gross weight if the instrument displays the gross weight the remote display shows the gross weight if the instrument shows the net weight the...

Страница 27: ...ected See Figure 2 3 on page 16 20Hz Max setting with min 2400 baud rate 30Hz 40Hz Max setting with min 4800 baud rate 50Hz 60Hz 70Hz 80Hz Max setting with min 9600 baud rate 100Hz Max setting with min 19200 baud rate 200Hz Max setting with min 38400 baud rate 300Hz Max setting with min 38400 baud rate 0 200 msec Delay in milliseconds which elapses before the instrument replies EUEn Odd parity non...

Страница 28: ...s controlled by remote Modbus protocol commands Devi ceNet PROFIBUS Ethernet Only dEunEt The contact will not switch on the basis of weight but is controlled by DeviceNet DeviceNet Model Only PrOFI The contact will not switch on the basis of weight but is controlled by PROFIBUS PROFIBUS Model Only EtHnEt The contact will not switch on the basis of weight but is controlled by Ethernet Ethernet Mode...

Страница 29: ...GROSS input closed for three seconds In 1 default By closing the input for less than one second the weight is set to zero Section 3 3 on page 28 PEAH With the input closed the maximum weight value reached remains on display Opening fthe input the current weight is displayed PLC Closing the input no operation is performed the input status may however be read remotely by way of the communi cation pr...

Страница 30: ...nu Unlocking 1 Press and hold then press is displayed 2 Press or until menu to be unlocked is displayed 3 Press and simultaneously for 3 seconds the display shows The decimal point between the first and second letter is gone indicating the menu is now unlocked 2 13 3 Temporary Menu Unlocking 1 Press and hold then press is displayed 2 Press or until menu to be temporarily unlocked is displayed 3 Pr...

Страница 31: ... Technical Support Not Legal for Trade Legal for Trade OIML Legal for Trade multi interval OIML 1 With power off press and hold then power on is displayed 2 Press is displayed 3 Press is displayed 4 Press is displayed The instrument will reboot Press to quit the program without introducing any changes and without deleting any of the set variables If necessary a manual for the newly set program can...

Страница 32: ...how that a tare has been entered Press and hold for three seconds to display the gross weight temporarily When is released the net weight will be displayed again To delete a preset tare and return to the gross weight display Press and hold for three seconds or keep the Net Gross input closed for three seconds The preset tare value is set to zero The NET LED is turned off when the gross weight is d...

Страница 33: ...nternal instrument converter failure Check load cell connections and if necessary contact Rice Lake Weighing Systems Technical Support The weight exceeds the maximum weight by 9 divisions The maximum displayable value was exceeded value higher than 999999 or lower than 999999 The weight is too high zero setting is not possible This message appears in the test weight setting in Weight Span Calibrat...

Страница 34: ...ter the writing command of the required setpoint e g 93 for writing setpoint 1 Setpoints are stored to the RAM volatile memory and lost upon instrument power off To save them permanently in the EEPROM memory so that they are maintained upon the instrument power on it is necessary to send the command 99 Save data in EEPROM of the Command Register Outgoing Data from SCT 20 DeviceNet Read Addresses G...

Страница 35: ...OUTPUT 3 status Bit 6 Bit 3 Bit 7 Table 3 7 Digital Outputs DeviceNet Bit No Description Bit No Description Bit 0 OUTPUT 1 status Bit 8 Bit 1 OUTPUT 2 status Bit 9 Bit 2 OUTPUT 3 status Bit 10 Bit 3 Bit 11 Bit 4 Bit 12 Bit 5 Bit 13 Bit 6 Bit 14 Bit 7 Bit 15 Force Output Table 3 8 Digital Outputs Command DeviceNet Bit No Description Bit No Description Bit 0 Cell Error Bit 8 Net weight negative sign...

Страница 36: ...all the other bits are 0 To set them correctly consider the module Division value E g to set a set point to 100kg and the verification division value is 0 001 set the set point value to 100000 remove the decimal points from the value that would be 100 000 with decimals If from PLC a values is set out of the permitted interval from 0 not included to full scale the value is ignored and the bit 13 Wr...

Страница 37: ...isor Decimals Units of measure value Units of measure description Utilization of the Coefficient value with the different units of measure settings compared to the gross weight detected 0 100 0 0 Kilograms Does not intervene 1 50 0 1 Grams Does not intervene 2 20 0 2 Tons Does not intervene 3 10 0 3 Pounds Does not intervene 4 5 0 4 Newton Multiples 5 2 0 5 Liters Divides 6 1 0 6 Bar Multiples 7 0...

Страница 38: ... Bit 0 OUTPUT 1 status Bit 8 Bit 1 OUTPUT 2 status Bit 9 Bit 2 OUTPUT 3 status Bit 10 Bit 3 Bit 11 Bit 4 Bit 12 Bit 5 Bit 13 Bit 6 Bit 14 Bit 7 Bit 15 Force Output Table 3 13 Digital Outputs Command PROFIBUS Bit No Description Bit 0 Cell Error Bit 1 A D Converter Malfunction Bit 2 Maximum weight exceeded by 9 divisions Bit 3 Gross weight higher than 110 of full scale Bit 4 Gross weight beyond 9999...

Страница 39: ...mple weight storage for calibration 5 To verify the correct execution of the calibration command Write the sample weight value to the Sample Weight for Calibration module Write the value 0 to the Sample Weight for calibration module Send the command 101 Sample weight storage for calibration to the Command Register The operation works correctly if the module value Sample Weight for calibration goes...

Страница 40: ...ays to apply changes Load the included EDS file Ethernet_20 eds in the EtherNet IP scanner s development instrument or open Class 1 I O Connection with the following settings Figure 3 1 Module Properties EtherNet IP If explicit messages are used and the PLC supports class 3 connections with appropriate interface insert the data shown in Figure 3 1 If explicit messages are used and the PLC needs da...

Страница 41: ...ut Data from SCT 20 EtherNet IP Input Data to SCT 20 EtherNet IP Write Addresses Enable Writing 2 bytes 0 0x0000 0x0001 Command Register 2 bytes 0x0002 0x0003 Command of Digital Outputs 2 bytes 0x0004 0x0005 Exchange Register 4 bytes 0x0006 0x0009 Table 3 18 Input Data to SCT 20 EtherNet IP Output Data from SCT 20 EtherNet IP Read Addresses Type Gross Weight 4 byte 0x0000 0x0003 Double Integer Net...

Страница 42: ...le Integer Status Register 2 byte 0x0010 0x0011 Integer Digital Inputs status 2 byte 0x0012 0x0013 Integer Digital Outputs status 2 byte 0x0014 0x0015 Integer Table 3 21 Generic Module Output Data Dual Port Interface EtherNet IP Code Description Code Description 0 No command 7 Semi Automatic Tare enabling net weight displaying 8 Semi Automatic Zero 9 Semi Automatic Tare disabling gross weight disp...

Страница 43: ... they include decimal figures without a decimal point Reading send to the Command Register the reading command of the required setpoint and read the content of the Setpoint Register Example 90 for reading setpoint 1 Writing write the weight value to be set in the setpoint and send to the Command Register the writing command of the required setpoint Example 93 for writing setpoint 1 Setpoints are s...

Страница 44: ...t 3 Bit 11 Bit 4 Bit 12 Bit 5 Bit 13 Bit 6 Bit 14 Bit 7 Bit 15 Force Outputs Table 3 25 Digital Outputs Command EtherNet IP Bit No Description Bit 0 Cell Error Bit 1 A D Converter Malfunction Bit 2 Maximum weight exceeded by 9 divisions Bit 3 Gross weight higher than 110 of full scale Bit 4 Gross weight beyond 999999 or less than 999999 Bit 5 Net weight beyond 999999 or less than 999999 Bit 6 Bit ...

Страница 45: ... Search and the application will find the SCT 20 TCP IP in the LAN Figure 3 3 Find SCT 20 TCP IP in LAN 4 Select the device and then select the Telnet Configuration 5 Select the Connect button and then press Enter Figure 3 4 Telnet Configuration 6 Press 0 Server and change only the IP Address fields It is strongly recommended to set a fixed IP Address Do not change any other parameters Press Enter...

Страница 46: ...Test Screen Figure 3 6 TCP IP Socket Test Screen Examples Use the added COM to communicate with SCT 20 TCP IP using the selected protocol SCT 20 TCP IP exe is included on the CD for testing commands and it only works with Port 10001 Do not include the CR with the command Supports the same commands as ASCII See Section 3 12 on page 50 Protocol Selection To select the protocol to use on the Ethernet...

Страница 47: ...a Telnet The instrument is configured with dynamic host configuration protocol DHCP as the default the IP Address can be automatically assigned by DHCP or manually via Telnet To set the IP address via Telnet 1 Type telnet ipaddress 9999 and press Enter to confirm The following displays Figure 3 7 Modbus TCP Set up Screen 2 Enter 1 to manually configure IP Address Default Gateway Address and Netmas...

Страница 48: ...he CD or download and run installer from https www lantronix com 3 Select Search The application will find the SCT 20 TCP IP connected to the LAN 4 Click Assign IP Figure 3 8 Lantronix DeviceInstaller 5 Select Assign a specific IP address then Next Figure 3 9 Assign IP Address Window 6 Follow on screen prompts to enter the desired values then click Assign 7 Wait for the process to complete no need...

Страница 49: ...ion with the instruments Other commands may not be interpreted correctly and could generate errors or system shut downs The interrogation frequency is linked with the preset communication rate the SCT20 MB will stand by for at least 3 bytes before beginning to calculate a possible response to the query The parameter Section 2 4 on page 16 allows for a further delay in the instrument response and t...

Страница 50: ...ponse The function field is transmitted with the msb at 1 List Of Usable Registers The MODBUS RTU protocol implemented on this instrument can manage a maximum of 32 registers read and written in a single query or response R the register can be read only W the register can be written only R W the register can be both read and written H high half of the DOUBLE WORD forming the number QUERY Address F...

Страница 51: ...4 Serial Number R 40005 Active program R 40006 COMMAND REGISTER NO W 40007 STATUS REGISTER R 40008 GROSS WEIGHT H R 40009 GROSS WEIGHT L R 40010 NET WEIGHT H R 40011 NET WEIGHT L R 40012 PEAK WEIGHT H RR 40013 PEAK WEIGHT L R 40014 Divisions and Units of measure R 40015 Coefficient H R 40016 Coefficient L R 40017 Setpoint 1 H Only after command 9 of the COMMAND REGISTER R W 40018 Setpoint 1 L R W ...

Страница 52: ...ct to the relevant setpoints Status Register 40007 Bit 0 Cell Error Bit 8 Net weight negative sign Bit 1 AD Convertor Malfunction Bit 9 Peak weight negative sign Bit 2 Maximum weight exceeded by 9 divisions Bit 10 Net display mode Bit 3 Gross weight higher than 110 of full scale Bit 11 Weight stability Bit 4 Gross weight beyond 999999 or less than 999999 Bit 12 Weight within of a division around Z...

Страница 53: ...not intervene 2 20 0 2 Tons Does not intervene 3 10 0 3 Pounds Does not intervene 4 5 0 4 Newton Multiples 5 2 0 5 Litres Divides 6 1 0 6 Bar Multiples 7 0 5 1 7 Atmspheres Multiples 8 0 2 1 8 Pieces Divides 9 0 1 1 9 Newton Meter Multiples 10 0 05 2 10 Kilogram Meter Multiples 11 0 02 2 11 Other Multiples 12 0 01 2 13 0 005 3 14 0 002 3 15 0 001 3 16 0 0005 4 17 0 0002 4 18 0 0001 4 Table 3 38 Di...

Страница 54: ...t power off It is necessary to send a special command to save them permanently in the EEPROM memory Please note that the number of writes allowed in the EEPROM memory is limited about 100000 The PC transmits aaMEMckckCR 01MEM44CR Possible instrument responses Correct reception aa ckckCR Incorrect reception aa ckckCR Data Sent Definition Beginning of a request string 36 ASCII o Beginning of a respo...

Страница 55: ...hich s 1 separator character 32 ASCII space See Section 3 5 on page 29 for more information on alarms Semi Automatic Zero Weight Zero Setting For Small Variations The zero setting will not be maintained after an instrument power off The PC transmits aaZEROckckCR 01ZERO03CR Possible instrument responses Correct reception aa ckckCR Incorrect reception aa ckckCR The current weight is over the maximum...

Страница 56: ...onding mV signal query 02z78 Cr response 02000000t 76 Cr For a correct weight zero setting the read value response must be 0 in the string 000000 The zero values are stored to the EEPROM memory Please note that the number of writes allowed is limited about 100000 If it is necessary to reset the weight quite often it is recommended to perform it by PC or PLC program keeping in mind the weight devia...

Страница 57: ...lue must be equal to test weight Example Calibration for instrument with address 1 and test weight of 20000 kg query 01s02000070 Cr response 01020000t 77 Cr For correct calibration the read value will be 020000 Keypad Lock Access Protection To The Instrument The PC transmits aaKEYckckCR 01KEY56CR Possible instrument responses Correct reception aa ckckCR Incorrect reception aa ckckCR Keypad Unlock ...

Страница 58: ...d are transmitted with a minimum transmission rate of 38400 baud The communication modes available are Section 2 4 on page 16 communication compatible with TX RS 485 instruments communication compatible with TD RS 485 instruments If is set the following string is transmitted to PC PLC xxxxxxCRLF In the event of negative weight the first character on the left acquires the value minus sign ASCII 45 ...

Страница 59: ... the instrument transmits the prompt net every 4 seconds in the gross weight field when the instrument is in net mode See Section 3 1 on page 28 In case weight value is under 99999 the minus sign is sent alternated with the most significant figure In the event of error or alarm the 6 characters of the gross and net weight are replaced by the messages found in Table 3 5 on page 29 ckck 2 ASCII cont...

Страница 60: ...lue 0 to the register 40017 and the value 2000 to the register 40018 the string to generate must be h01 h10 h00 h10 h00 h02 h04 h00 h00 h07 hD0 hF1 h0F The instrument will respond with the string h01 h10 h00 h10 h00 h02 h40 h0D Query Field Name Hex Response Field Name Hex Instrument Address h01 Instrument Address h01 Function h10 Function h10 Address of the first register H h00 Address of the firs...

Страница 61: ...ress 40011 must be performed by sending the following string H01 h03 h00 h07 h00 h04 hF5 hC8 Datum 1 L h00 Datum 2 H h07 Datum 2 L hD0 CRC16 H hF1 CRC16 L h0F Query Field Name Hex Response Field Name Hex Instrument Address h01 Instrument Address h01 Function h10 Function h10 Address of the first register H h00 Address of the first register H h00 Address of the first register L h10 Address of the f...

Страница 62: ...ss h01 Instrument Address h01 Function h03 Function h03 Instrument Address h01 Instrument Address h01 Function h03 Function h03 Address of the first register H h00 Address of the first register H h08 Address of the first register L h07 Address of the first register L h00 Number of registers to send H h00 Datum 1 H h00 Number of registers to send L h04 Datum 1 L h00 CRC16 H hF5 Datum 2 H h0F CRC16 ...

Страница 63: ...Operation Rice Lake Weighing Systems All Rights Reserved 59 ...

Страница 64: ... BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB BB B BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB BBB B B B B B B B B B B B B B B B B B B B BBB B B B B B B B B B B B B B B B B B B BBB BB BB BB BB BB B BB B B BB B B B B B BBB B BB B BB BB B B B BB B BB B BB BB B BBB BB B BB BB BB B B B BB BB BB B B B B BB B BB BB B BB BB B B B B B B B B BB BB B B B B BB B B B B B B B B B B BBB B BB B B B BB BB B B BBB...

Страница 65: ...BBBB BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB B B B B B B B B B BB B B B BBBBBB B BB BB BBBBB B B B B B BB B BBBBBB B B B B B B B B B B B BBB BB B BB BB BB B BB B B B B B B B B B BB BB BB B B B B BBBB B B B B B BBBBBBBB SCT 10 SCT 20 SCT 30 SCT 40 2016 1101 Low Voltage 2016 1091 EMC 2012 ...

Страница 66: ...0Base TX auto sensing Number of Load Cells Max 8 350 ohm 5 VDC 120 mA in parallel and Supply Linearity Analog 0 01 F S 0 01 F S C Output Linearity Thermal Drift 0 0005 F S C 0 003 F S C Analog Only A D Converter 24 bit 16 000 000 points Max Divisions with 999999 Measurement Range 10 mV Sensitivity 2mV V Measurement Range 39 mV Max Sensitivity of 7 mV V Usable Load Cells Max Conversions 300 second ...

Страница 67: ...uction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Canada This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regula...

Страница 68: ...SCT 20 Series 64 Visit our website www RiceLake com ...

Страница 69: ......

Страница 70: ...WI 54868 USA U S 800 472 6703 Canada Mexico 800 321 6703 International 715 234 9171 Europe 31 0 26 472 1319 Rice Lake Weighing Systems Specifications subject to change without notice www ricelake com PN 131128 Rev H March 2 2022 ...

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