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Westermo MA-49, Installation Manual

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Omvandlare RS-232 – RS-422/485

Converter RS-232 – RS-422/485

Wandler RS-232 – RS-422/485

INSTALLATIONSANVISNING

INSTALLATION MANUAL

INSTALLATIONS ANLEITUNG

6049-2001

www.westermo.se

MA-49

©

Westermo 

Teleindustri 

AB 

• 

1999 

• 

REV. 

A

Galvanic

Isolation

Transient

Protection

Balanced

Transmission

CE

Approved

Summary of Contents for MA-49

Page 1: ...RS 422 485 Wandler RS 232 RS 422 485 INSTALLATIONSANVISNING INSTALLATION MANUAL INSTALLATIONS ANLEITUNG 6049 2001 www westermo se MA 49 Westermo Teleindustri AB 1999 REV A Galvanic Isolation Transient...

Page 2: ...nsmission and transformer supply Isolation voltage 1 500 V Overvoltage protection Breakdown voltage transmitter and receiver 7 V Surge capacity 0 6 kW for 1ms Power supply External through PS 02 mount...

Page 3: ...S2 DTR DTR DTR ON 1 2 3 4 5 6 S2 DTR DTR Always high ON 1 2 3 4 5 6 S2 Always active Always high Always high ON 1 2 3 4 5 6 S2 Always active Always high Always high ON 1 2 3 4 5 6 S2 0ms ON 1 2 3 4 5...

Page 4: ...ut O Output MA 49 Terminal connection DCE RS 232 C V 24 25 Position D sub female Look right for a section of rack RV 01 with one MA 49 mounted Terminal connection to a 25 position D sub female connect...

Page 5: ...and larger diameter is used Use shielded cable in heavy industrial environments Line connection 1 If shielded cable is used connect the shield only at one end to avoid ground currents Twisted pairs A...

Page 6: ...us as all the other slave transmitters A status signal RTS or DTR is used to control the MA 49 s transmitter to ensure only one slave is active on the bus at one time The status signal is also used to...

Page 7: ...13 6049 2001 OWN COMMENTS...

Page 8: ...ermo se Westermo Web site www westermo se Westermo Teleindustri AB have distributors in several countries contact us for further information Westermo Data Communications Ltd Unit 14 Talisman Business...

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