www.siliconcraft.net 1 3 June 2010 SC1602MBS—16x2 Characters
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1. 0x40 0x3A CRC Hi CRC Lo Response Slave ID 0x06 0x00 0x10 0x40 0x3A CRC Hi CRC Lo Display 453 OxFE3B on data field row 1 command example Query Slave ID 0x06 0x00 0x1B OxFE 0x3B CRC Hi CRC Lo Response Slave ID 0x06 0x00 0x1B OxFE 0x3B CRC Hi CRC Lo www siliconcraft net 6 3 June 2010 SC1602MBS 16x2 Characters MODBUS RTU Slave LCD User s Manual HOILICON CRAFT Erasing the LCD Screen Writing to register 40023 erase the LCD screen User s Defined Messages SC1602MBS provides 6 memory spaces each 16 characters wide for storing user s defined messages The messages is saved onto the EEPROM using MODBUSSlaveLCD software Modbus Command 16 Preset Multiple Registers Use Modbus command 16 to send long ASCII string to the LCD Registers 40001 to 40016 holds the ASCII characters to be displayed The Start Screen The saved messages can be made to be displayed at Power up using the configuration Software Registers Summary Register Address 0x0000 40001 0x0001 40002 0x0002 40003 0x0003 40004 0x0004 40005 0x0005 40006 0x0006 40007 0x0007 40008 0x0008 40009 0x0009 40010 Ox000A 40011 0x000B 40012 0x000C 40013 0x000D 40014 0x000E 40015 0x000F 40016 0x0010 40017 0x0011 40018 0x0012 40019 0x0013 40020 0x0014 40021 0x0015 40022 0x0016 40023 0x0017 40024 0x00182. 40025 www siliconcraft net Data Value 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII 2 Bytes ASCII Unsigned Int Unsigned Int Signed Int Signed Int 2 Bytes BCD 2 Bytes BCD Any Oto5 Oto5 Function LCD row 0 column 0 1 LCD row 0 column 2 3 LCD row 0 column 4 5 LCD row 0 column 6 7 LCD row 0 column 8 9 LCD row 0 column 10 11 LCD row 0 column 12 13 LCD row 0 column 14 15 LCD row 1 column 0 1 LCD row 1 column 2 3 LCD row 1 column 4 5 LCD row 1 column 6 7 LCD row 1 column 8 9 LCD row 1 column 10 11 LCD row 1 column 12 13 LCD row 1 column 14 15 Unsigned Integer at row 0 Unsigned Integer at row 1 Signed Integer at row 0 Signed Integer at row 1 4 Digits BCD at row 0 4 Digits BCD at row 1 Erase Screen Predefine Message at row 0 Predefine Message at row 1 7 3 June 2010 SC1602MBS 16x2 Characters MODBUS RTU Slave LCD User s Manual SILICON CRAFT Mechanical Dimension millimeter 80 00 0 2 Ss 500882 4_ HOLE 4 92 9 PAD 4 035 64 300 2 70 70t0 2 Standard Size Version lee 115 in 106 cu Aj 99 Large Characters Version www siliconcraft net 3 June 2010 SC1602MBS 16x2 Characters MODBUS RTU Slave LCD SILICON CRAFT User s Manual Sp
3. MODBUS RTU Slave LCD SILICON CRAFT User s Manual Connecting the LCD Configuration Jumper J4 Transistor Output Header J5 5V le a view GND gt a m 5 i 3 g kef RS485 Port chi Ly LCD Contrast Adjust RS232 Header J2 O TXD TTL O RXD TTL O TXD RS232 O RXD RS232 O GND Ol 5y SC1602MBS YG B Back View RS485 Port Configuration Jumper J4 GND 5V Transistor Output Header J5 gt TXD RS232 lt RXD RS232 GND LCD Contrast Adjust SC1602MBS LC YG Back View www siliconcraft net 2 3 June 2010 SC1602MBS 16x2 Characters MODBUS RTU Slave LCD SILICON CRAFT User s Manual Configure the LCD You need to download the software MODBUSSlaveLCD from our website at www siliconcraft net download htm in order to configure the LCD This software is alsoa MODBUS master simulator which you can test the LCD by sending the MODBUS command to it At the configuration window you can set the LCD address the baud rate the start page and the data fields parame ters To configure the LCD install MODBUSSlaveLCD software close J4 jumper on the back of the LCD connect the power and the communication port to the Computer running MODBUSSlave software When you turn on the power to the LCD the first row should display SETTING MODE Fz Modbus RTU Slave LCD Module Configure LED so
4. SC1602MBS 16x2 Characters MODBUS RTU Slave LCD SILICON CRAFT User s Manual SC1602MBS is a MODBUS slave device that receives data from a Master MODBUS device and display them on the LCD panel The LCD is 16 x 2 characters in size and each character place has an unique MODBUS registers address Writing ASCII text to these registers will cause the text to be displayed on the LCD In addition it has 2 data fields that can be defined on each of the two rows of the LCD screen These data fields display 16 bits signed or unsigned integers values as it ASCII representation on the LCD screen SC1602MBS is available in RS485 or RS232 version Modbus Data lt MODBUS Master Device R S 4 8 5 2 3 2 Features Display Option 16x2 Characters RS485 or RS232 communication port MODBUS RTU protocol 6 memory spaces for user s define messages 1 Transistor Output Port 2 Data Fields for 16 bits Signed Unsigned Integer or 4 Digits BCD Numbers Programmable fixed decimal point for the SC1602MBS YG data fields dddd d ddd dd dd ddd d dddd Programmable Slave Address Programmable baud rate 9 6 19 2 38 4 LCD backlight control Programmable start screen 5 V Input Supply MODBUS function code 5 6 and 16 SC1602MBS B TD 04 ULLO U Standard Size Large Character Size Large Characters Version Double in Character Size SC1602MBS LC YG www siliconcraft net l 3 June 2010 SC1602MBS 16x2 Characters
5. ecification Power Supply min 4 5VDC max 5 5VDC 5 0VDC nominal Current Consumption 100mA typical Standard Size Version 250mA typical Large Character Version Operating Temperature 0 C to 50 C Connection Screw terminals accept 12 to 26 AWG Non Volatile Memory Write Cycle Min 100 000 Non Volatile Memory Data Retention Min 100 years Output Maximum sink current 200mA LCD View Angle 6 o clock Characters 16 x 2 View Area 64 5mm x 13 8mm Standard Size Version 99 mm x 24 mm Large Character Version Backlight Yellow Green or Blue LED Available Accessories Sold Separately Aluminum Front Panel Mounting Plate RS232 cable DB9 Female to P1 Header R15 100 0 www siliconcraft net 9 3 June 2010 Optional Accessories IP 65 Enclosure ABS IP65 Enclosure with mounting kits Mounting holes 60mm 90mm 102mm 115mm 5mm Mounting Plate for the LED www siliconcraft net 10 3 June 2010
6. he transistor output at header J5 Data Value Action 0x0000 Turn Off LCD Backlight OxFFOO Turn On LCD Backlight 0x0000 Turn Off Output OxFFOO Turn On Output 0x0001 www siliconcraft net ed 2N3904 HEH Send Config Data At the configuration win dow set your desire pa rameters and click Send Config Data to send the configuration data to the LCD If this is done correctly LCD should display SETTING DONE Message on the second row Turn off the power and remove jumper on J4 The LCD should has the new setting Resistor Maximum Sink Current 200mA 3 June 2010 SC1602MBS 16x2 Characters MODBUS RTU Slave LCD SILICON CRAFT User s Manual Modbus Command 06 Preset Single Register Data Field is the area where the LCD will displays the integer or BCD data it received One data field 1s available on each row User s can configure the width of the data field it start location on each row and decimal point location Data width of the data field 1s the maximum digit to be displayed For example it data field width is set to 3 and the received data is 1024 then only 024 is displayed Start location is the column number where the most significant digit to be displayed 0 is the left most column Decimal point will be inserted is configured For example is decimal point is set to 1 and received data is 100 then 10 0 is displayed Trailing zeros will be automatically blan
7. ked off There are a total of 2 data fields one on each row Displaying ASCII Text Holding registers 40001 to 40016 hold the ASCII characters to be displayed Each registers hold two ASCII charac ters Register 40001 holds the first two characters writing data 0x3132 will displays 12 Register 40016 holds the last two characters Modbus Command Example display 12 at the first two locations Query Slave ID 0x06 0x00 0x00 0x31 0x32 CRC Hi CRC Lo Response Slave ID 0x06 0x00 0x00 0x31 0x32 CRC Hi CRC Lo www siliconcraft net 5 3 June 2010 SC1602MBS 16x2 Characters MODBUS RTU Slave LCD SILICON CRAFT User s Manual Display Integer BCD Number Registers 40017 to 40018 hold the Unsigned integer value for data field 1 to 2 Writing integer data to these registers will resulted the data to be displayed Signed integer is held in registers 40019 to 40020 The sign is inserted at the most significant digits if the value is negative 4 Digits BCD data is held in registers 40021 to 40022 Register Address Data Field 0x0010 40017 row 0 Unsigned Integer 0x001A 40018 row 1 Unsigned Integer 0x001B 40019 row 0 Signed Integer 0x001C 40020 row 1 Signed Integer 0x001D 40021 row 0 BCD 0x001E 40022 row 1 BCD Display 16442 0x403A on data field row 0 command example Query Slave ID 0x06 0x00 0x10
8. mm Port Settings Slave ID Select Slave Address 9600 bps 19200bps 38400 bps ji x Ni Data Format 1 Select Port Number sc2004mEs z Select Module m Modbus Command 0S _ r Modbus Command 06 Modbus Command 16 oxo000 Register Address oxoo00 Register Address oxoo00 Start Register Address oxo000 Data Data Hi Data Lo E oxo0 0x00 __ send Send Send Modbus Command 04 Read Input Registers ox0000 send R0030001 M Rey 3000 ENN eo 20003 ED Communication Monitor Bytes Mmo Bytes Receive lll Select SC1602MBS and the correct COM port number then click on Connect button Then click on Configure LCD menu to open the configuration window www siliconcraft net 3 3 June 2010 SILICON CRAFT SC1602MBS 16x2 Characters MODBUS RTU Slave LCD Configure C1602MBS SC1 60 2LC MBS LED Comm Parameters Slave Address Baud Rate Data Format fi 3600 l hd Data Display User s Manual Width Decimal Point Field 1 LINEO 5 gt fo fio Field 2 LINE 1 5 x fo fw xl Location Messages Startup Screen LINE 0 LINE 1 None None 7 Modbus Command 05 Force Single Coil Use MODBUS command 5 to Turn on or off the LCD backlight Register Address 0x0000 0x0000 0x0001 Turn on or off t
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