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Summary of Contents for Westermo MDW-45
- Page 1 User Guide 6617-2203 MDW-45 Converter RS-232 – RS-422/485 www.westermo.com...
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Page 2: Software Tools
Under no circumstances shall Westermo be responsible for any loss of data or income or any special, incidental, and consequential or indirect damages howsoever caused. -
Page 3: Before Installation
Do not use or store the unit in dusty, dirty areas, connectors as well as other mechanical part may be damaged. If the unit is not working properly, contact the place of purchase, nearest Westermo dis- tributor office or Westermo Tech support. -
Page 4: Agency Approvals And Standards Compliance
Agency approvals and standards compliance Type Approval / Compliance EN 50121-4 Railway signalling and telecommunications apparatus EN 61000-6-1 Immunity residential environments EN 61000-6-2 Immunity industrial environments EN 61000-6-3 Emission residential environments EN 61000-6-4 Emission industrial environments FCC part 15 Class B IEC 62236-4 Railway signalling and telecommunications apparatus Safety EN/IEC 60950-1... - Page 5 RS-232 Position Direction* / description Input /Output values Not connected Out / Received Data (RD) In / Transmitted Data (TD) = ± 12 Vpk Not connected = ± 60 mA – / Signal Ground (SG) Data rate: Out / Data Set Ready (DSR) 1.2 –...
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Page 6: Declaration Of Conformity
Declaration of Conformity, Low Voltage Westermo Teleindustri AB Declaration of conformity The manufacturer Westermo Teleindustri AB SE-640 40 Stora Sundby, Sweden Herewith declares that the product(s) Type of product Model Art no RS-232 – RS-422/485 Converter MDW-45 LV 3617-0001 is in conformity with the following EC directive(s). - Page 7 Declaration of Conformity, High Voltage Westermo Teleindustri AB Declaration of conformity The manufacturer Westermo Teleindustri AB SE-640 40 Stora Sundby, Sweden Herewith declares that the product(s) Type of product Model Art no RS-232 – RS-422/485 Converter MDW-45 HV 3617-0101 is in conformity with the following EC directive(s).
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Page 8: Type Tests And Environmental Conditions
7.5 mm, 5 – 8 Hz 2 g, 8 – 500 Hz Shock IEC 60068-2-27 Operating 15 g, 11 ms Packaging Enclosure, MDW-45 UL 94 PC / ABS Flammability class V-1 Dimension W x H x D 35 x 121 x 119 mm Weight 0.19 kg... -
Page 9: Functional Description
Functional description The MDW-45 is an RS-422/485 to RS-232 converter. This device can be used in multid- rop and point to point applications to connect devices like PCs, PLCs, drives and other automation equipment. In 2-wire half duplex applications (RS-485) the MDW-45 can automatically control the state of the data bus based just on the data it receives. -
Page 10: Interface Specifications
Interface specifications Power MDW-45 LV MDW-45 HV Rated voltage 12 to 48 VDC 95 to 240 VAC 110 to 250 VDC Operating voltage 9.6 to 57.6 VDC 85.5 to 264 VAC 88 to 300 VDC Rated current 95 mA @ 12 VDC... - Page 11 Locations of Interface ports, LED`s and DIP-switches S1 DIP-switch under lid (for details see page 10) RS-422/485 interface screw terminal LED indicators (for details see page 8) 4-position Direction* Description No. 1 R+ (A') line RS-422 No. 2 R– (B') line RS-422 No.
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Page 12: Led Indicators
LED Indicators Status Description In service Out of service Transmitted Data: Displays data received from the local RS-232 port No data Received Data: Displays data leaving the modem on the RS-232 port No data Status of RTS from the RS-232 interface No RTS Status of CTS from the RS-232 interface No CTS... -
Page 13: Dip Switch Settings
DIP-switch settings Before DIP-switch settings: Prevent damage to internal electronics from electrostatic discharges (ESD) by discharging your body to a grounding point (e.g. use of wrist strap). Selection of data rate Selection of data format 1200 bit/s 9 bit format* 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 2400 bit/s... -
Page 14: Factory Settings
S2 Below panel, RS-422/485 termination No termination and fail-safe 1 2 3 4 Termination with fail-safe (2-wire) 1 2 3 4 Termination with fail-safe (4-wire) 1 2 3 4 Note! DIP-switch alterations are only effective after a power on. Factory settings Data rate –... -
Page 15: Field Of Application
(see diagrams). Star shaped networks should never be created; there are other Westermo products that can be used to create star net applications. To install a system according to the RS-422/485 specification it is very important that the line is terminated at the correct points. -
Page 16: Line Connection
… Do not use or store the unit in dusty, dirty areas, connectors as well as other mechanical part may be damaged. If the unit is not working properly, contact the place of purchase, nearest Westermo distributor office or Westermo Tech support. - Page 18 6617-2203...
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Page 20: Sales Units
Other Offices infos@westermo.fr sales@westermo.com.sg www.westermo.fr www.westermo.com Germany Sweden info@westermo.de info.sverige@westermo.se www.westermo.de www.westermo.se For complete contact information, please visit our website at www.westermo.com/contact or scan the QR code REV. E 6617-2203 2015-08 Westermo Teleindustri AB, Sweden – A Beijer Electronics Group Company...
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