Manuale d’uso / di manutenzione del prodotto RS-485 Digital I/O Module 485SDD16 del fabbricante B&B Electronics
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485SDD16-1005 Manual Cover Page B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 RS-485 Digital I/O Module Model 485SDD16 Document ation Num ber 485SDD16-1005 pn#3605-r1 This product Designed and Manufactured In Ottawa, Il lin ois USA of domestic and imported pa rts by B&B Electronics Mfg.
485SDD16-1005 Manual Table of Contents i B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Table of Contents Chapter 1 - Introduction ........................................... 1 485SDD16 Features ...
485SDD16-1005 Manual 1 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Chapter 1- Introduction 485SDD16 Features The 485SDD16 is a genera l purpose control module t hat operates through an RS-485 inte rface.
485SDD16-1005 Manual 3 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Power Supply Input Voltage: 8 Vdc to 16 Vdc @ 35 milliamps (Doesn’t include the power consumption of external devices.
485SDD16-1005 Manual 5 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Chapter 2 - Connections This chapter will cover the connections re quired for the 485SDD16. There are three sets of conne ctions: digital I/O, serial port, and power supply.
485SDD16-1005 Manual 7 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Figure 2.1 - Example of Multi-Node Network 485SDD16 485SDD16 485SDD16 Figure 2.
485SDD16-1005 Manual 9 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Chapter 3 - Commands There are only two commands required to control the 485S DD16: set output l ines, and read I/O lines.
485SDD16-1005 Manual 11 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 A byte represents an eight-bit binary number (11111111), therefore each byte can repre sent eight I/O lines. Each bit is assigned a bit position and a weight (value ).
485SDD16-1005 Manual 13 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (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 byt e.
485SDD16-1005 Manual 15 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (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 Manual 17 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Chapter 4 - I/O Interfacing This chapter will explain "HIG H" and "LOW" st ates and show some gene ral examples of how to int erface to t he I/O lines.
485SDD16-1005 Manual 19 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Figure 4.4 - Isolated Solid State Input Digital Outputs Digital outputs are used to turn on or turn off external devices. Digital outputs are CMOS compatible and op erate between 0Vdc and +5Vdc.
485SDD16-1005 Manual 21 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Chapter 5 - Software This chapter will be divided into two sections. The first section covers programming techni ques for constructing a command string, receiving data and manipulatin g data in QuickBASIC.
485SDD16-1005 Manual 23 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Step 3 - Receiving the data: MSdefs$ = INPUT$(1,#1) LSdefs$ = INPUT$(1,#1) M.
485SDD16-1005 Manual 25 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Step 1b - Set appropriat e outputs LOW MSstates = MSstates AND (NOT(mask)) L.
485SDD16-1005 Manual 27 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Step 1b - Set appropriat e outputs power-up states LOW MSpups = MSpups AND (.
485SDD16-1005 Manual 29 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Demonstration Program The 485SDD16 Demonstration (SDD16) Program (IBM PC or Compatible) provides t he user with examples of how to receive and transmit commands to the 485SDD16.
485SDD16-1005 Manual Appendix A A-1 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 APPENDIX A ASCII Character Codes A-2 Appendix A 485SDD16-1005 Manual B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Decimal ASCII 0 .
485SDD16-1005 Manual Appendix A A-3 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Decimal ............ ASC II 80 ............... .. P 81 ............... .. Q 82 ............... .. R 83 ............
485SDD16-1005 Manual Appendix B B-1 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 APPENDIX B Hexadecimal/Decimal Conversions B-2 Appendix B 485SDD.
485SDD16-1005 Manual Appendix B B-3 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Hexadecimal to Decimal Conv ersion: Decimal = (1st Hex digit x 4.
485SDD16-1005 Manual A ppe ndix C C-1 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 APPENDIX C Interface Modules for SDD16 Models C-2 Appendix C 4.
485SDD16-1005 Manual A ppe ndix C C-3 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 DBM16 The DBM16 module provides buffering and increased power handling for all t he sixteen I/O lin es of the SDD16 models.
485SDD16-1005 Manual A ppe ndix C C-5 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Figure C.2 - DBM16 Outline Drawing Inputs Digital inputs are used to sense "HIGH" and "LOW" states based on voltage levels.
485SDD16-1005 Manual A ppe ndix C C-7 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Outputs Digital outputs are used to turn "ON" or turn "O FF" external devices. Outputs can be used to control solid sta te output modules, logic circuits, and relays.
485SDD16-1005 Manual A ppe ndix C C-9 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Figure C.10 - DBM16 Schematic C-10 Appendix C 485SDD16-1005 Ma.
485SDD16-1005 Manual Appendix D D-1 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 APPENDIX D Adding Data Field Comfirmation D-2 A ppe ndix D 485SD.
485SDD16-1005 Manual Appendix D D-3 B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815 ) 433-5104 Table D-1 Extended Commands Function Command Response Read I/O L.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il B&B Electronics RS-485 Digital I/O Module 485SDD16 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del B&B Electronics RS-485 Digital I/O Module 485SDD16 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso B&B Electronics RS-485 Digital I/O Module 485SDD16 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul B&B Electronics RS-485 Digital I/O Module 485SDD16 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il B&B Electronics RS-485 Digital I/O Module 485SDD16, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del B&B Electronics RS-485 Digital I/O Module 485SDD16.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il B&B Electronics RS-485 Digital I/O Module 485SDD16. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo B&B Electronics RS-485 Digital I/O Module 485SDD16 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
