B&B Electronics manual Electronics Mfg. Co. Inc, Internet, 485SDD16-1005 ManualCover

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RS-485 Digital I/O Module

Model 485SDD16

Document ation Number 485SDD16-1005

pn#3605-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.com

support@bb-elec.com

B&B Electronics -- Revised February 2005

485SDD16-1005 ManualCover Page

B&B Electronics -- 707 Dayton Road -- Ottawa, IL 61350

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

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Contents Designed and Manufactured Ottawa, Illinois Electronics Mfg. Co. IncInternet Sales@bb-elec.com Support@bb-elec.comTable of Contents 485SDD16 Specifications 485SDD16 FeaturesIntroduction Communications Power SupplySize Digital I/O Connections Connections485SDD16 I/O Port Pinout Serial Port ConnectionsExample of Multi-Node Network 485SDD16 Commands CommandsEquivalent Values SyntaxSet Output Lines Command Read I/O Lines CommandBit Assignments for I/O Lines Set Turn-around Delay Command Set Module Address CommandDefine I/O Lines Command Command AddrSC ArgumentRead Configuration Command Set Power-up States CommandRead Configuration command returns the modules I/O Command AddrRC Argument None ResponseDigital Inputs InterfacingDigital Outputs Isolated Solid State InputProgramming Techniques SoftwareDigital I/O Mask Values MSdefs = MSdefs and mask LSdefs = LSdefs and mask Set Output States CommandMSpups = MSpups and mask LSpups = LSpups and mask MSstates = MSstates or mask LSstates = LSstates or maskSet Power-up States Command Define I/O Lines CommandCmnd$ = ! + CHR$Maddr + SO + CHR$MSstates + CHR$LSstates Maddr =MSpups = MSpups and NOTmask LSpups = LSpups and NOTmask Set Module Address CommandCmnd$ = ! + CHR$Maddr + SS + CHR$MSpups + CHR$LSpups LSpups = LSpups or &H20Running Demonstration Program Demonstration Program485SDD16-1005 Manual Appendix a Decimal485SDD16-1005 Manual Appendix a 119 120 121 122 123 124 125 126 127485SDD16-1005 Manual Appendix B Appendix B252 Decimal to Hexadecimal Conversion3rd Hex digit 240 4th Hex digit Decimal equals 10FC hexadecimalAppendix C Table C.2 DBM16 I/O Connections Table C.1 DTB25 ConnectionsDBM16 Interfacing 485SDD16-1005 Manual Appendix C Figure C.4 Solid State InputPower Supply Input Voltage DBM16 Specifications LinesTotal Connections SizeFigure C.10 DBM16 Schematic Msb~ I/O msbI/O lsb ~ I/O lsb #addrRD00FF01FE Comp = not x and &HFF485SDD16-1005 Manual Appendix D Table D-1 Extended Commands