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B&B Electronics RS-232 Digital I/O Module 232SDD16 Operation & User’s Manual

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B&B Electronics RS-232 Digital I/O Module 232SDD16 User Manual
B&B Electronics RS-232 Digital I/O Module 232SDD16 User Guide
B&B Electronics RS-232 Digital I/O Module 232SDD16 Online Manual

Text of B&B Electronics RS-232 Digital I/O Module 232SDD16 User Guide:

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual 15 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 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 bold face) ASCII Example: !0RCUAP@ Dec. Example: !0RC<85><65><80><64> Hex. Example: !0RC<55><41><50><40> Bin. Example: !0RC<01010101><01000001><01010000><01000000> Description: the first byte (MSB of I/O definitions) - I/O lines #14, 12, 10, & 8 are outputs and I/O lines #15, 13, 11, & 9 are i

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual Table of Contents i B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Table of Contents Chapter 1- Introduction........................................... 1 232SDD16 Features............................................... 1 Packing List ............................................................ 2 232SDD16 Specifications....................................... 3 I/O Lines................................................................................3 Digital Inputs......................................................................3 Digital Outputs...................................................

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual 1 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Chapter 1- Introduction 232SDD16 Features The 232SDD16 is a general purpose control module that is connected to your computer’s RS-232 serial port. The 232SDD16 offers 16 discrete digital I/O lines. With these features, the module can be used to sense external ON/OFF conditions and to control a variety of devices. The digital outputs are CMOS/TTL compatible. The digital inputs are CMOS/TTL compatible. The digital I/O l

  • 232SDD16-1005 Manual Appendix C C-1 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 APPENDIX C Interface Modules for SDD16 Models C-2 Appendix C 232SDD16-1005 Manual B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 DTB25 The DTB25 co

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual 7 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 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 used to power unit if kept high. 7 Signal Ground (SG) Connection is required. 20 Data Terminal Ready (DTR) Input May be us

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual 17 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Chapter 4 - I/O Interfacing This chapter will explain "HIGH" and "LOW" states and show some general examples of how to interface to the I/O lines. Caution must be taken not to exceed 232SDD16 specifications listed in Chapter 1 when interfacing to external devices. Failure to stay within these specifications could result in damage to the unit and will void warranty. Digital Inputs As stated earlier, digital input lines are CMOS/TTL compatible and can only handle voltages from 0Vdc to +5Vdc. Digital inputs are used

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual 9 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Chapter 3 - Commands There are only two commands required to control the 232SDD16: set output lines, and read I/O lines. Three additional commands are used for configuring the module: define I/O lines, set power-up states, and read configuration. Command strings are from four to six bytes in length; the “!” character, the “0” (zero) character, two command characters, and one or two data bytes, if required. (See Table 3.1). Befor

  • 232SDD16-1005 Manual 19 B&B Electronics -- PO Box 1040 -- 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 external devices on or off. Digital outputs are CMOS/TTL compatible and operate between 0Vdc and +5Vdc. Outputs can be used to control solid state

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual Appendix D D-1 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Appendix D Adding Data Field Confirmation D-2 Appendix D 232SDD16-1005 Manual B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 With serial communications in a laboratory environment, the possibility of a communication error occurring is minimal. However, in a harsh or an industrial environment the possibility increases. A communication error occurs when a bit transmitted as a “1” is received as a “0” or vice versa. If the 232SDD16 receives

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual Appendix C C-7 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Figure C.6 - Isolated Solid State Input Outputs Digital outputs are used to turn "ON" or turn "OFF" external devices. Outputs can be used to control solid state output modules, logic circuits, and relays. Caution must be taken not to exceed the power capability of the outputs. Refer to the DBM16 output specifications. Setting the SDD16 module's

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual Cover Page B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 RS-232 Digital I/O Module Model 232SDD16 Documentation Number 232SDD16-1005 pn#3604-r1 This product Designed and Manufactured In Ottawa, Illinois USA of domestic and imported parts by B&B Electronics Mfg. Co. Inc. 707 Dayton Road -- P.O. Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Internet: http://www.bb-elec.com sales@bb-elec.

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual 5 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Chapter 2 - Connections This chapter will cover the connections required for the 232SDD16. There are three sets of connections: digital I/O, serial port, and power supply. Do not make any connections to the 232SDD16 until you have read this chapter. Digital I/O Connections Connections to the I/O lines are made through the DB25S (female) I/O port connector. Refer to Table 2.1. See Chapter 5 for I/O interfacing examples. Digital Inputs The digital input lines are CMOS/TTL compatible and can handle voltages from 0Vdc to

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual 11 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 A byte represents an eight-bit binary number (11111111), therefore each byte can represent eight I/O lines. 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 corresponding bit position must be set to a "1". Conversely to set an output LOW the corresponding bit position must be set to a "0". When reading I/O lines, any bit set to a "0" indicates the corresponding I/O line is in the LOW state and any bit set to

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual 25 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Define I/O Lines Command Step 1a - Construct the command string: Define an I/O line as Output MSdefs = MSdefs OR mask LSdefs = LSdefs OR mask By "ORing" the current definitions with the appropriate I/O line mask, the I/O line's data bit will be set to a "1" (HIGH) and the I/O line will be defined as an Output. Step 1b - Define an I/O line as an Inp

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual Appendix B B-1 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 APPENDIX B Hexadecimal/Decimal Conversions B-2 Appendix B 232SDD16-1005 Manual B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 The decimal (base 10) numbering system represents each position in successive powers of 10, with each decimal symbol having a value from 0 to 9. The hexadecimal (base 16) numbering system represents each position in successive powers of 16 with each h

  • 232SDD16-1005 Manual 27 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Demonstration Program The 232SDD16 Demonstration (SDD16) Program (IBM PC or Compatible) provides the user with examples of how to receive and transmit commands to the 232SDD16. The SDD16.EXE is the executable program, the SDD16.BAS fi

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual 13 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 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. Example: !0SO<01010101><01000001> Description: the first byte sets output lines #14, 12, 10, & 8 HIGH and output lines #15, 13, 11, & 9 LOW; the second byte sets output lines #6, & 0 HIGH and output lines # 7, 5, 4, 3, 2, & 1 LOW. Not

  • 232SDD16-1005 Manual Appendix C C-5 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 DBM16 Interfacing This section will show some general examples of how to interface the DBM16 I/O lines to external devices. Caution must be taken not to exceed the DBM16 specifications, failure to do so could result in da

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual Appendix A A-1 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 APPENDIX A ASCII Character Codes A-2 Appendix A 232SDD16-1005 Manual B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 DECIMAL to HEX to ASCII CONVERSION TABLE DEC HEX ASCII KEY DEC HEX ASCII DEC HEX ASCII DEC HEX ASCII 0 0 NUL ctrl @ 32 20 SP 64 40 @ 96 60 ` 1 1 SOH ctrl A 33 21 ! 65 41

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual Appendix C C-9 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 DBM16 Specifications I/O Lines Total: 16 (Factory 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 current: 0.5 ma Outputs Output Voltage: +50Vdc max. Output current: 350 ma max. - only 1 output on 100 ma max. - all outputs on Output leakage current: 50 micro amp max. Output saturation voltage: 1.1Vdc max. @ 100ma CAUTION: Total output power cannot exceed 2 watts for I/O

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual 3 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 232SDD16 Specifications I/O Lines Total: 16 (Factory default = inputs) Digital Inputs Voltage Range: 0 Vdc to 5 Vdc Low Voltage: 1.0 Vdc max. High Voltage: 2.0 Vdc min. Leakage Current: 1 microamp max. Digital Outputs Low Voltage: 0.6 Vdc @ 8.3 milliamps (Sink) High Voltage: 4.3 Vdc @ -3.1 milliamps (Source) Power S

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual Appendix B B-3 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Hexadecimal to Decimal Conversion: Decimal = (1st Hex digit x 4096) + (2nd Hex digit x 256) + (3rd Hex digit x 16) + (4th Hex digit) Each "Hex digit" is the decimal equivalent value of the hexadecimal symbol. Example: Convert 10FC hexadecimal to decimal. 10FC hex equals 4348 decimal. Decimal to Hexadecimal Conversion: Examp

  • B&B Electronics RS-232 Digital I/O Module 232SDD16, 232SDD16-1005 Manual Appendix D D-3 B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 433-5104 Table D-1 Extended Commands Function Command Response Read I/O Lines #0RD {I/O msb}{~I/O msb}{I/O lsb}{~I/O lsb} Set Output Lines #0SO{I/O msb}{~I/O msb}{I/O lsb}{~I/O lsb} no response Define I/O Lines #0SD{I/O msb}{~I/O msb}{I/O msb}{~I/O msb} no response Set Power-up States #0SS{I/O msb}{~I/O msb}{I/O lsb}{~I/O lsb} no response Read Configuration #0RC {I/O msb}{~I/O msb}{I/O

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