B&B Electronics RS-485 manual Packing List, Software Installation

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Figure 1.2 - General Block Diagram

Packing List

Examine the shipping carton and contents for physical damage. The following items should be in the shipping carton:

∙485SDA10 unit

∙One 485SDA10 3.5” disk

∙This instruction manual

∙RS-485/422 Application Note

If any of these items are damaged or missing contact B&B Electronics immediately.

Software Installation

The 485SDA10 comes with several useful programs such as a data logging utility, a demonstration program, etc. The installation for the SDA Logger is different depending on the platform you install it to. Please use the one appropriate to your system.

DOS

1.Place the disk in drive A.

2.Type A: and press the <ENTER> key.

3.Type INSTALL and press the <ENTER> key.

4.Follow the instructions given by the program.

2	485SDA103798 Manual

B&B Electronics -- 707 Dayton Rd. -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 434-7094

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Contents

Electronics Mfg. Co. Inc Designed and Manufactured Ottawa, IllinoisInternet Table of Contents Software Tables485SDA103798 Manual Table of Contents Iii 485SDA10 Features 485SDA10 UnitSoftware Installation Packing ListWindows UninstallGetting Started Windows 9x and Windows NTA/D with Variable Resistor 485SDA10 Specifications Inputs #0-10 Ref Input +Ref Input Analog GroundTypical Connections Digital Inputs #0-2 Digital I/O Connections485SDA10 I/O Port Pinout Digital Outputs #0-2Digital Ground Typical Digital I/O ConnectionsSerial Port Connections RS-485 Terminal Block ConnectionsPower Supply Connections Typical RS-485 2-wire ConnectionCommands 485SDA10 CommandsReading A/D Channels Command SyntaxEquivalent Values AddrRA# Ch#MSBch#LSBch#-1MSB...ch0MSBch0LSBRead A/D Response States Reading Digital I/O CommandAddrRD Read Digital I/O Response for OutputsAddrSOstates Set Digital Output CommandSet Module Address Command Set Digital Output Data Byte ValuesSet Power-up States Command Set Turn-around Delay CommandRead Module Configuration Command Addressstatesdelay Sampling Rate Input RangeReference Inputs Data Range Converting DataPage Print #1, Command$ Read A/D CommandCommand$ = ! + CHR$addr + RA + CHR$channel MSB$ = INPUT$1, #1 LSB$ = INPUT$1, #1Read Digital I/O Command Command$ = ! + CHR$addr + RDReply$ = INPUT$ 1, #1 Set Digital Output States Digital I/O Mask ValuesSet Module Address Command$ = !0SO + CHR$statesCommand$ = ! + CHR$addr + SO + CHR$newaddr Addr =States = states and NOTmask Addr = 5 states =Set Turn-around Delay Command$ = ! + CHR$addr + SC + CHR$delayRead Module Configuration #addrRA00FF 00FF01FEComp = not x and &HFF Table A-1 Extended Commands Appendix B Analog Input Impedance Simplified Analog Input Analysis 1 2 LSB = R s + 1k Ω × 60pF × ln2048485SDA103798 Manual Appendix B Appendix C Decimal to HEX to Ascii Table Table C-1 Decimal to HEX to Ascii TableClass a Equipment

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