B&B Electronics manual Table D-1 Extended Commands, 485SDD16-1005 Manual Appendix D

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Table D-1 Extended Commands

Function

Read I/O Lines

Set Output Lines

Set Module

Address

Set Turn-around Delay

Define I/O Lines

Set Power-up States

Read Configuration

Command	Response

#{addr}RD	{I/O msb}{~I/O msb}{I/O
	lsb}{~I/O lsb}
#{addr}SO{I/O	no response
msb}{~I/O msb}{I/O
lsb}{~I/O lsb}
#{addr}SA{new	no response
addr}{~new addr}
#{addr}SC{x}{~x}	no response

#{addr}SD{I/O	no response
msb}{~I/O msb}{I/O
msb}{~I/O msb}
#{addr}SS{I/O	no response
msb}{~I/O msb}{I/O
lsb}{~I/O lsb}
#{addr}RC	{I/O msb}{~I/O msb}{I/O
	lsb}{~I/O lsb}{I/O powerup
	msb states}{~I/O powerup
	msb states}{I/O powerup
	lsb states}{~I/O powerup
	lsb states}{addr}{~addr}{turn-
	around delay}{~turn-around
	delay}

Where “x” is the required data byte and “~” signifies the complement of the specified byte.

485SDD16-1005 Manual	Appendix D	D-3	D-4	Appendix D	485SDD16-1005 Manual
B&B Electronics --	707 Dayton Road -- Ottawa, IL 61350			B&B Electronics -- 707 Dayton Road	-- Ottawa, IL 61350
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Contents Electronics Mfg. Co. Inc Designed and Manufactured Ottawa, IllinoisInternet Sales@bb-elec.com Support@bb-elec.comTable of Contents 485SDD16 Specifications 485SDD16 FeaturesIntroduction Communications Power SupplySize Connections Digital I/O Connections485SDD16 I/O Port Pinout Serial Port ConnectionsExample of Multi-Node Network Commands 485SDD16 CommandsEquivalent Values SyntaxSet Output Lines Command Read I/O Lines CommandBit Assignments for I/O Lines Set Module Address Command Set Turn-around Delay CommandDefine I/O Lines Command Command AddrSC ArgumentSet Power-up States Command Read Configuration CommandRead Configuration command returns the modules I/O Command AddrRC Argument None ResponseInterfacing Digital InputsIsolated Solid State Input Digital OutputsProgramming Techniques SoftwareDigital I/O Mask Values Set Output States Command MSdefs = MSdefs and mask LSdefs = LSdefs and maskMSpups = MSpups and mask LSpups = LSpups and mask MSstates = MSstates or mask LSstates = LSstates or maskDefine I/O Lines Command Set Power-up States CommandCmnd$ = ! + CHR$Maddr + SO + CHR$MSstates + CHR$LSstates Maddr =Set Module Address Command MSpups = MSpups and NOTmask LSpups = LSpups and NOTmaskCmnd$ = ! + CHR$Maddr + SS + CHR$MSpups + CHR$LSpups LSpups = LSpups or &H20Demonstration Program Running Demonstration ProgramDecimal 485SDD16-1005 Manual Appendix a119 120 121 122 123 124 125 126 127 485SDD16-1005 Manual Appendix aAppendix B 485SDD16-1005 Manual Appendix BDecimal to Hexadecimal Conversion 2523rd Hex digit 240 4th Hex digit Decimal equals 10FC hexadecimalAppendix C Table C.2 DBM16 I/O Connections Table C.1 DTB25 ConnectionsDBM16 Interfacing Figure C.4 Solid State Input 485SDD16-1005 Manual Appendix CDBM16 Specifications Lines Power Supply Input VoltageTotal Connections SizeFigure C.10 DBM16 Schematic #addrRD Msb~ I/O msbI/O lsb ~ I/O lsb00FF01FE Comp = not x and &HFFTable D-1 Extended Commands 485SDD16-1005 Manual Appendix D