B&B Electronics 232SDD16 232SDD16 Specifications

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 Supply

Input Voltage: 8 Vdc to 16 Vdc

External power: 35 milliamps* @ 12Vdc

Port power: 15 milliamps* (The RS-232 RTS

and DTR lines must be high to port

power unit.)

Doesn’t include the power consumption of external devices.

Communications

Standard: RS-232 (unit is DCE)

Baud Rate: 1200 to 9600 (automatic detection)

Format: 8 data bits, 1 stop bit, no parity

Connector: DB25S (female)

Size 0.7" x 2.1" x 4.7"

4 232SDD16-1005 Manual

B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5104

Contents

Main RS-232 Digital I/O Module Table of Contents Chapter 1- Introduction 232SDD16 Features Figure 1.1 - 232SDD16 Module Packing List 232SDD16 Specifications Chapter 2 - Connections Digital I/O Connections Serial Port Connections Table 2.1 - 232SDD16 I/O Port Pinout Table 2.2 - RS-232 Connector Pinout Table 2.3 - 232SDD16 To DTE Connections Table 2.4 - 232SDD16 To DCE Connections Power Supply Connections Chapter 3 - Commands Table 3.1 - 232SDD16 Commands Syntax Table 3.2 - Equivalent Values Table 3.3 - Bit Assignments for I/O Lines Read I/O Lines Command Set Output Lines Command Define I/O Lines Command Set Power-up States Command Read Configuration Command Page Chapter 4 - I/O Interfacing Digital Inputs Figure 4.1 - Switch Input Figure 4.2 - Solid State Input Figure 4.3 - Isolated Mechanical Input Figure 4.4 - Isolated Solid State Input Figure 4.6 - Isolated Solid State Output Digital Outputs Figure 4.5 - Solid State Output Chapter 5 - Software Programming Techniques Table 5.1 - Digital I/O Mask Values Page Page Demonstration Program APPENDIX A ASCII Character Codes APPENDIX B Hexadecimal/Decimal Conversions Table 1. Page APPENDIX C Interface Modules for SDD16 Models DTB25 Table C.1 - DTB25 Connections DBM16 Table C.2 - DBM16 I/O Connections Figure C.3 - Switch Input Figure C.4 - Solid State Input Figure C.5 - Isolated Mechanical Input Figure C.6 - Isolated Solid State Input Figure C.7 - Solid State Output Figure C.8 - Isolated Mechanical Output Figure C.9 - Isolated Solid State Output Figure C.10 - DBM16 Schematic Page Appendix D Adding Data Field Confirmation