Westermo MD-42 User Manual

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Omvandlare RS-232 – RS-422/485
Converter RS-232 – RS-422/485
RS-232 – RS-422/485 Wandler
INSTALLATIONSANVISNING
INSTALLATION MANUAL
INSTALLATIONS ANLEITUNG
6152-2002
www.westermo.se
MD-42 AC
MD-42 DC
©
Westermo Teleindustri AB • 1999 • Rev. B
Galvanic
Isolation
Transient
Protection
Balanced
Transmission
CE
Approved
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Summary of Contents

Page 1 - INSTALLATIONS ANLEITUNG

Omvandlare RS-232 – RS-422/485Converter RS-232 – RS-422/485RS-232 – RS-422/485 WandlerINSTALLATIONSANVISNINGINSTALLATION MANUALINSTALLATIONS ANLEITUNG

Page 2 - Do not open connected unit

8 6152-2002SpecificationsTransmission Asynchronous, full/half duplex or simplexInterface 1 EIA RS-232-C/CCITT V.24, 9-position D-sub female / Screw-te

Page 3 - Switch settings

96052-2001Switch settingsThe MD-42 can through different switch settings be adapted to a vareity of runningconditions. To set switches, open the plas

Page 4 - Line connection

10 6152-2002N 115V*/230VL AC powerPE/Protective EarthI 3 8 103 TD/Transmitted DataO 2 7 104 RD/Received DataI 7 6 105 RTS/Request To SendO 8 5 106 CTS

Page 5 - MD-42 DC

116152-2002Switch settingsAccording to MD-42 ACConnectionsAccording to MD-42 AC, except power supplyMD-42 DCSpecifications Power supply 12–36V DCPower

Page 6 - 12 6152-2002

12 6152-2002HintsRS-422/485 was designed for multidrop applications. When a system is installed it shouldform a bus structure (see diagrams). Star sha

Page 7

136152-2002Max 1200 metre and 32 connectionsMax 0.3 metreMax 0.3 metre3 (A/A’)4 (B/B’B/B’A/A’B’A’BAB’A’BAB’A’BAB/B’A/A’B/B’A/A’1 (A’)2 (B’)3 (A)4 (B)T

Page 8 - Block diagram

6152-2002 12.99 TunaTryck AB, Eskilstuna, SwedenWestermo Teleindustri AB • S-640 40 Stora Sundby, SwedenPhone +46 16 612 00 Fax +46 16 611 80E-mail: i

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