Westermo MA-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
6042-2002
www.westermo.se
MA-42 AC
MA-42 DC
©
Westermo Teleindustri AB • 1999 REV. A
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 - Switch settings

8 6042-2002SpecificationsTransmission Asynchronous, full/half duplex or simplexInterface 1 EIA RS-232-C/RS-423-ACCITT V.24/V.1025-position D-sub femal

Page 3

96042-2002TransmitterFactory settingsTransmitteractivatedbyRTS RTS RTSRTS Always highDTR DTRDTR Always highRTSDTRDTRCTSControlledbyDCDControlledbyS2S2

Page 4 - Line connection

10 6042-2002ConnectionsLine connection(5-position screw-terminal)DirectionNo.CCITT V.11DescriptionReceiver 1 A’ R+Receiver 2 B’ R–Transmitter 3 A T+Tr

Page 5 - MA-42 DC

116042-2002MA-42 DCSpecifications Power supply 12–36V DCPower consumption: Max 2WInsulation: 1000VFuse F1: 1.6A fast 5x20 mmAll other specifications a

Page 6 - 12 6042-2002

12 6042-2002HintsThe MA-42 uses the RS-422/485 interface.RS-422/485 was designed for multidrop applications. When a system is installed it shouldform

Page 7

136042-2002Max 1200 metresMax 32 connectionsMax 32 connectionsShortest possible max 0.3 metresTermination34414231423143343 431234Termination

Page 8 - Subsidiaries

6042-2002 01.03 TunaTryck AB, Eskilstuna, SwedenWestermo Teleindustri AB • S-640 40 Stora Sundby, SwedenPhone +46 16 42 80 00 Fax +46 16 42 80 01E-mai

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