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B&B Electronics RS-232 Digital I/O Module 232SDD16 manual

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Table of contents for the manual

  • Page 1

    232SDD16-1005 Manual Cover Page B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 RS-232 Digital I/O Module Model 232SDD16 Documentation Num ber 232SDD16-1005 pn#3604-r1 This product Designed and Manufactured In Ottawa, Il lin ois USA of domestic and imported pa rts by B&B Electronics Mfg. Co. Inc.[...]

  • Page 2

    232SDD16-1005 Manual Table of Contents i B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Table of Contents Chapter 1 - Introduction ........................................... 1 232SDD16 Features ............................... ................ 1 Packing List ................................. .......[...]

  • Page 3

    232SDD16-1005 Manual 1 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Chapter 1- Introduction 232SDD16 Features The 232SDD16 is a genera l purpose control module t hat is connected to your compu ter’s RS-232 serial port. The 232SDD16 offers 16 discrete digital I/O lin es. With t hese fe atures, th[...]

  • Page 4

    232SDD16-1005 Manual 3 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 232SDD16 Specif i cations I/O Lines Total: 16 (Factory def ault = inp uts) Digital Inputs Voltage Range: 0 Vdc to 5 Vdc Low Voltage: 1.0 Vdc ma x. High Voltage: 2.0 Vdc min. Leakage Current: 1 microamp max. Digital Outputs Low Vol[...]

  • Page 5

    232SDD16-1005 Manual 5 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Chapter 2 - Connections This chapter will cover the connections re quired for the 232SDD16. There are three sets of conne ction s: digit al I/ O, serial port, and power supply. Do not make any connections to the 232SDD16 until you[...]

  • Page 6

    232SDD16-1005 Manual 7 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Table 2.2 - RS-232 Connector Pinout DB-25S Pin # Signal Signal Direction at 232SDD16 Notes 2 Transmit Data (TD) Input Connection is required. 3 Receive Data (RD) Output Connection is required. 4 Request to Send (RTS) Input May be [...]

  • Page 7

    232SDD16-1005 Manual 9 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Chapter 3 - Commands There are only two commands required to control the 232SDD16: set output l ines, and read I/O lines. Three ad ditional commands are used for configuring the module: defin e I/ O lines, set power-up states, and[...]

  • Page 8

    232SDD16-1005 Manual 11 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 A byte represents an eight-bit binary number (11111111 ), therefore each byte can represent eight I/ O li nes. Each bit is assigned a bit position and a weight (value). Refer to Table 3.3. To set an output to a HIGH state the cor[...]

  • Page 9

    232SDD16-1005 Manual 13 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Command: !0SO Argument: {I/O msb}{I/O lsb} Response: none ASCII Example: !0SOUA Dec. Example: !0SO<85><65> Hex. Example: !0SO <55><41> Bin. Examp le: !0S O<01010101><01000001> Description: the [...]

  • Page 10

    232SDD16-1005 Manual 15 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Command: !0RC Argument: none Response: definition of the sixteen I /O lines in two 8 bit bytes, and the power-up states in two 8 bit bytes. (shown in bo ld face) ASCII Example: !0RC UAP@ Dec. Example: !0RC< 85 >< 65 >[...]

  • Page 11

    232SDD16-1005 Manual 17 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Chapter 4 - I/O Interfacing This chapter will explain "HIGH" and "LOW" states and show some general examples of how to interface to t he I/O lines. Caution must be taken not to exceed 232SDD16 specifications l[...]

  • Page 12

    232SDD16-1005 Manual 19 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Figure 4.4 - Isolated Solid State Input Digital Outputs Digital outputs are used to turn external devices on or off. Digital outputs are CMOS/TTL compatible and oper ate between 0Vd c and +5Vdc. Outputs can be used to control sol[...]

  • Page 13

    232SDD16-1005 Manual 21 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Chapter 5 - Software This chapter will be divided into two sections. The first section covers programming techniques for constructing a command st ring, receiving data and manipulating dat a in QuickBAS IC. The second section dis[...]

  • Page 14

    232SDD16-1005 Manual 23 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Step 5 - Determining the I/O line de fin i tio ns: MSdefs = MSdefs AND mask LSdefs = LSdefs AND mask By "ANDing" the value of MSdefs or LSdefs with the app ropr iat e mask of an I/O line, the I/O line defin ition can be[...]

  • Page 15

    232SDD16-1005 Manual 25 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Define I/O Lines Command Step 1a - Constr uc t the command strin g: Define an I/O line as Output MSdefs = MSdefs OR mask LSdefs = LSdefs OR mask By "ORing" the current definition s with the approp riat e I/ O line mask [...]

  • Page 16

    232SDD16-1005 Manual 27 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Demonstration Program The 232SDD16 Demonstration (SDD16) Program (IBM PC or Compatible) provides the user with examples of how t o receive and transmit commands to the 232SDD16. The SDD16.EX E is the executable pr ogram, the SDD1[...]

  • Page 17

    232SDD16-1005 Manual Appendix A A-1 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 APPENDIX A ASCII Character Codes A-2 Appendix A 232SDD16-1005 Manual B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 DECIMAL to HEX to ASCII CONVERSION TABLE DEC HEX AS[...]

  • Page 18

    232SDD16-1005 Manual Appendix B B-1 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 APPENDIX B Hexadecimal/Decimal Conversions B-2 Appendix B 232SDD16-1005 Manual B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 The decimal (base 10) numbe ring system r[...]

  • Page 19

    232SDD16-1005 Manual Appendix B B-3 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Hexadecimal to Decimal Conve rsion: Decimal = (1st Hex digit x 4096) + (2nd Hex digit x 256) + (3rd Hex digit x 16) + (4th Hex digit) E ach "Hex digit " is the decimal equivalen t value of the hexadecimal sy[...]

  • Page 20

    232SDD16-1005 Manual Appendix C C-1 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 APPENDIX C Interface Modules for SDD16 Models C-2 Appendix C 232SDD16-1005 Manual B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 DTB25 The DTB25 connects to the SDD16 [...]

  • Page 21

    232SDD16-1005 Manual Appendix C C-3 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Table C.1 - DTB25 Connections DB-25P Pin # Function T.B. # DB-25P Pin # Function T.B. # 1 Unused. 1 14 I/O #15 14 2 Unused. 2 15 I/O #14 15 3 Unused. 3 16 I/O #13 16 4 Unused. 4 17 I/O #12 17 5 Unused. 5 18 I/O #11 18[...]

  • Page 22

    232SDD16-1005 Manual Appendix C C-5 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 DBM16 Interfacing This section will show some general examples of how to interface the DBM16 I/O lines to ext ernal devices. Caution mu st be taken not to exceed the DB M16 specifications, failur e to do so could resu[...]

  • Page 23

    232SDD16-1005 Manual Appendix C C-7 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Figure C.6 - Isolated Solid State Input Outputs Digital outputs are used to turn "ON" or turn "O FF" ext erna l devices. Outputs can be used to control solid state outp ut modu les, logic circuits,[...]

  • Page 24

    232SDD16-1005 Manual Appendix C C-9 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 DBM16 Specifications I/O Lines Total: 16 (Factor y default - set to inputs ) Inputs Voltage range: 0Vdc to +50Vdc Low Voltage: 0Vdc to +1.5Vdc High Voltage: +2.5Vdc to +50Vdc Internal pull-up curr ent: 0.5 ma Outputs [...]

  • Page 25

    232SDD16-1005 Manual Appendix C C-11 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104[...]

  • Page 26

    232SDD16-1005 Manual Appendix D D-1 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Appendix D Adding Data Field Confirmation D-2 Appendix D 232SDD16-1005 Manual B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 With serial communications in a laboratory[...]

  • Page 27

    232SDD16-1005 Manual Appendix D D-3 B&B Electronics -- PO Bo x 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 43 3-5104 Table D-1 Extended Commands Function Comma nd Respon se Read I/O Lines #0R D {I/O msb }{~I/O ms b}{I/O lsb}{~I/O lsb} Set Output Lin es #0 SO{I/O msb}{~I/O msb}{I/O lsb}{~I/O lsb} no response Define I/O Lines #0SD{I/O[...]