Instruction/ maintenance manual of the product 485SDD16 B&B Electronics
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485SDD16-1005 Manua l Cover Page B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 RS-485 Digital I/O Module Model 485SDD16 Document ation Num ber 485SDD16-1005 pn#3605-r1 This product Designed and Manufactur ed In Ottawa , Illinois USA of domestic and impor ted parts by B&B Electronics Mfg.
485SDD16-1005 Manua l Table of Contents i B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Table of Contents Chapte r 1- Introduction ........................... ................ 1 485SDD16 Fe atures .
485SDD16-1005 Manua l 1 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Chapter 1- Introduction 485SDD16 Features The 485SDD16 is a ge neral purpose contro l module that operates through an RS-48 5 interface.
485SDD16-1005 Manua l 3 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Power Sup ply Input Voltage: 8 Vdc to 16 Vdc @ 35 milliamps (Doesn’t include the power consumption of external devices.
485SDD16-1005 Manua l 5 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Chapter 2 - Connections This chapter will cover the connections re quired for the 485SDD16. There are thre e sets of connections: digital I/ O, serial port, and power supply.
485SDD16-1005 Manua l 7 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Figure 2.1 - Example of Multi-Node Network 485SDD16 485SDD16 485SDD16 Figure 2.
485SDD16-1005 Manua l 9 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Chapter 3 - Comm ands There are only two commands required to control th e 485SDD16: set output lines, and read I/O lines.
485SDD16-1005 Manua l 11 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 A byte represents an eight-bit binary number (11111111 ), therefore each byt e can represent eight I/O lines. Each bit is assigned a bit position and a weight (v alue).
485SDD16-1005 Manua l 13 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Set Module Address Command The Set Module Address command is used to change the address of a 485SDD16. This commands requires one data by te.
485SDD16-1005 Manua l 15 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Set Power-up States Command The Set Power-up States command is used to set the states of output lines when the module's power is recycled.
485SDD16-1005 Manua l 17 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Chapter 4 - I/O Interfacing This chapter will explain "HIG H" and "LOW" st ates and show some gen eral exam ples of h ow to interface to the I /O lines.
485SDD16-1005 Manua l 19 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Figure 4.4 - Isolated Solid State Input Digital Outputs Digital outputs are used to turn on or tu rn off external devices. Digital outputs are CMOS compatible and operate between 0Vdc and +5Vdc.
485SDD16-1005 Manua l 21 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Chapter 5 - Softwar e This chapter will be divided into two sections. The first section covers programming t echniques for constru cting a command st ring, receiving data and manipula ting data in QuickBASIC.
485SDD16-1005 Manua l 23 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Step 3 - Receiving the da ta: MSdefs$ = INPUT$(1,#1) LSdefs$ = INPUT$(1,.
485SDD16-1005 Manua l 25 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Step 1b - Set appropriate out puts LOW MSstates = MSstates AND (NOT(ma s.
485SDD16-1005 Manua l 27 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Step 1b - Set appropriate out puts power-up stat es LOW MSpups = MSpups .
485SDD16-1005 Manua l 29 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Demonstration Program The 485SDD16 Demonstration (SDD16) Program (IB M PC or Compatible) provi des the user with examples of how t o receive and transmit commands to the 485 SDD16.
485SDD16-1005 Manua l Appendix A A-1 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 APPENDIX A ASCII Character Codes A-2 Appendix A 485SDD16-1005 Manual B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Decimal ASCI I 0 .
485SDD16-1005 Manua l Appendix A A-3 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Decimal ..... ....... ASC II 80 ............ ..... P 81 .......... ....... Q 82 .......... ....... R 83 .......
485SDD16-1005 Manua l Appendix B B-1 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 APPENDIX B Hexadecimal/Decimal Conversions B-2 Appendix B 48.
485SDD16-1005 Manua l Appendix B B-3 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Hexadecimal to Decima l Conversion: Decimal = (1st Hex digit.
485SDD16-1005 Manua l Appendix C C-1 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 APPENDIX C Interface Modules for SDD16 Models C-2 Appendix C.
485SDD16-1005 Manua l Appendix C C-3 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 DBM16 The DBM16 module provides buffering and increased power handling for a ll the sixteen I /O lines of the SDD16 models.
485SDD16-1005 Manua l Appendix C C-5 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Figure C.2 - DBM 16 Outline Drawing Inputs Digital inputs are used to sense "HIGH" and "LOW" states based on voltage levels.
485SDD16-1005 Manua l Appendix C C-7 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Outputs Digital outputs are used to turn "ON" or t urn "OFF" external devices. Output s can be used to control solid state output modules, logic circuits, and relays.
485SDD16-1005 Manua l Appendix C C-9 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Figure C.10 - DBM16 Schematic C-10 Appendix C 485SDD16-1005 .
485SDD16-1005 Manua l Appendix D D-1 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 APPENDIX D Adding Data Field Comfirmation D-2 A ppendix D 48.
485SDD16-1005 Manua l Appendix D D-3 B&B Electronics - - 707 Day ton Road -- Ottawa, IL 61350 PH (815) 433-5100 - - FA X (815) 433-5104 Table D-1 Extended Commands Function Command Response Read I.
An important point after buying a device B&B Electronics 485SDD16 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought B&B Electronics 485SDD16 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data B&B Electronics 485SDD16 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, B&B Electronics 485SDD16 you will learn all the available features of the product, as well as information on its operation. The information that you get B&B Electronics 485SDD16 will certainly help you make a decision on the purchase.
If you already are a holder of B&B Electronics 485SDD16, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime B&B Electronics 485SDD16.
However, one of the most important roles played by the user manual is to help in solving problems with B&B Electronics 485SDD16. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device B&B Electronics 485SDD16 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
