Black-box IC476A-F-R2 Uživatelský manuál Strana 1

CUSTOMERSUPPORTINFORMATIONOrder toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOXFREE technical support, 24 hours a day,

93.1 Setting the DTE/DCE SwitchON1 2 3 4 5 6 7 8CHAPTER 3: ConfigurationDIP Switch S1

10ASYNC 232↔422/485 CONVERTER3.2 DIP-Switch ConfigurationinternallyONOFFON1 2 3 4 5 6 7 8

11CHAPTER 3: Configuration3.2.1 DIP-SWITCHSETTINGSSwitch S1 Summary TablePosition Function Factory DefaultS1-1* “Transmit Off” Impedance Off High ZS1

12ASYNC 232↔422/485 CONVERTERS1-4: Echo ModeS1-5: Carrier-Control MethodNOTECarrier is ON when RTS is asserted positive, and OFF only when RTS isdrive

13CHAPTER 3: Configuration3.2.2 CONFIGURATIONSWITCHAPPLICATIONSDo not change switch settings until you have carefully readthis manual.Typical Switch A

14ASYNC 232↔422/485 CONVERTER4.1 Connection to the RS-485 Interfacemust4.1.1 4-WIRECONNECTIONUSING THEDB25 (IC477A-X-R2 ANDIC478A-X-R2)Converter RS-

15CHAPTER 4: Installation2) It is not necessary that the RS-485 device adhere to the RS-530standard. However, you must make sure that the signals, pol

16ASYNC 232↔422/485 CONVERTER5. the other pair of wiresNOTEPositive and negative are relative terms and may not always have thesame relationship for a

178. 9.+RCV-G-XMT++RCV-G-XMT++RCV-G-XMT+CHAPTER 4: Installation

18ASYNC 232↔422/485 CONVERTER10.11.4.1.3 2-WIRECONNECTIONonly the transmit (XMT) pairConverter Signal RS-485 SignalXMT+...

1ASYNC 232↔422/485 CONVERTERFEDERAL COMMUNICATIONS COMMISSIONANDCANADIAN DEPARTMENT OF COMMUNICATIONSRADIO FREQUENCY INTERFERENCE STATEMENTSThis digit

19CHAPTER 4: Installation4.2 Connection to the RS-232 InterfaceNOTEIf you must use a cable to connect the Converter to the RS-232 device,make sure it

20ASYNC 232↔422/485 CONVERTER4.4 Operationdata

21APPENDIX A: RS-232C Pin ConfigurationsSTANDARD “DTE” SETTINGDIRECTION DIRECTIONFrom ConverterData Term. Ready (DTR) - 201- (FG) Frame Ground2- (TD)

22ASYNC 232↔422/485 CONVERTERPin Number Pin NameAppendix B. 422/485 (530) Pin Configuration

23APPENDIX C: Self-TestSection 3.2.2Appendix C. Self-Test

1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746© Copyright 1998. Black Box Corporation. All rig

2ASYNC 232↔422/485 CONVERTERNORMAS OFICIALES MEXICANAS (NOM)ELECTRICAL SAFETY STATEMENTINSTRUCCIONES DE SEGURIDAD.

3ASYNC 232↔422/485 CONVERTER

4ASYNC 232↔422/485 CONVERTERContents

5Data Rate ConnectorsTransmission FormatTransmission LineTransmission ModeRangeControl SignalsCarrierSurge ProtectionRTS/CTS DelayMTBFOperating Temper

6ASYNC 232↔422/485 CONVERTERHumidityAltitudePowerSizeShipping Weight

7CHAPTER 2: Introduction↔Section 4.42. Introduction

8ASYNC 232↔422/485 CONVERTER↔DCE DTE+RCV-G-XMT+3. ConfigurationDTE/DCE SwitchTerminal Block