B&B Electronics RS-485 manual 485SDA10 Specifications

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485SDA10 Specifications

Analog to Digital Converter

 

Resolution:

10 bit

Channels:

11

Reference Range:

5.0V DC max. (4.888 mV per bit)

 

2.5V DC min. (2.444 mV per bit)

A/D Ref. Input -

0V DC to 2.5V DC

A/D Ref. Input +

2.5V DC to 5.0V DC

Input Voltage Range:

-0.3V DC to 5.3V DC

Total Unadjusted Error:

+/- 1 LSB max.

A/D input channels must be driven from a source impedance less

than 1kΩ.

 

5 Volt Reference

 

Output Voltage:

4.975 to 5.025V DC (5.0V DC typ.)

Accuracy:

+/- 0.5 %

Output Current:

5mA max.

Digital Inputs

 

Channels:

3

Voltage Range:

-30V DC to 30V DC

Low Voltage:

-30V DC to 1.0V DC

High Voltage:

2.0V DC to 30V DC

Leakage Current:

1 μA max.

Digital Outputs

 

Channels:

3

Low Voltage:

0.6V DC @ 8.7mA

High Voltage:

4.3V DC @ -5.4mA

Power Supply

 

Input Voltage:

7V DC to 18V DC @ 30mA

 

(Doesn’t include the power

Communications

consumption of external devices.)

 

Standard:

RS-422/485

Addresses:

256

Turn-around Delay:

Software programmable from 0 to 255

 

character transmission times. (1 char.

 

trans. time @ 9600 baud = 1ms)

Baud Rate:

1200 to 9600 (automatic detection)

Format:

8 data bits, 1 stop bit, no parity

Connector:

DB-25S (female)

Factory Default Settings

Address:

ACSII “0” (48 decimal or 30h)

Turn-around Delay:

1

Power-up States:

0

485SDA103798 Manual

5

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 Tables Software485SDA103798 Manual Table of Contents Iii 485SDA10 Unit 485SDA10 FeaturesPacking List Software InstallationGetting Started UninstallWindows Windows 9x and Windows NTA/D with Variable Resistor 485SDA10 Specifications Ref Input + Inputs #0-10Ref Input Analog GroundTypical Connections 485SDA10 I/O Port Pinout Digital I/O ConnectionsDigital Inputs #0-2 Digital Outputs #0-2Typical Digital I/O Connections Digital GroundRS-485 Terminal Block Connections Serial Port ConnectionsTypical RS-485 2-wire Connection Power Supply Connections485SDA10 Commands CommandsReading A/D Channels Command SyntaxEquivalent Values AddrRA# Ch#MSBch#LSBch#-1MSB...ch0MSBch0LSBRead A/D Response AddrRD Reading Digital I/O CommandStates Read Digital I/O Response for OutputsSet Module Address Command Set Digital Output CommandAddrSOstates Set Digital Output Data Byte ValuesSet Power-up States Command Set Turn-around Delay CommandRead Module Configuration Command Addressstatesdelay Sampling Rate Input RangeReference Inputs Converting Data Data RangePage Command$ = ! + CHR$addr + RA + CHR$channel Read A/D CommandPrint #1, Command$ MSB$ = INPUT$1, #1 LSB$ = INPUT$1, #1Read Digital I/O Command Command$ = ! + CHR$addr + RDReply$ = INPUT$ 1, #1 Digital I/O Mask Values Set Digital Output StatesCommand$ = ! + CHR$addr + SO + CHR$newaddr Command$ = !0SO + CHR$statesSet Module Address Addr =Addr = 5 states = States = states and NOTmaskCommand$ = ! + CHR$addr + SC + CHR$delay Set Turn-around DelayRead Module Configuration #addrRA00FF 00FF01FEComp = not x and &HFF Table A-1 Extended Commands Appendix B Analog Input Impedance 1 2 LSB = R s + 1k Ω × 60pF × ln2048 Simplified Analog Input Analysis485SDA103798 Manual Appendix B Table C-1 Decimal to HEX to Ascii Table Appendix C Decimal to HEX to Ascii TableClass a Equipment
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RS-485 specifications

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