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Summary of Contents for Westermo ODW-620-F1
- Page 1 ODW-620-F1 Fibre Optic Modem Industrial Converter Serial RS-232 to Fibre Optic Link Point to Point applications...
- Page 2 6651-22621...
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Page 3: General Information
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 4: Before Installation
Do not use or store the unit in dusty, dirty areas. Connectors as well as other mechanical parts may be damaged. If the unit is not working properly, contact the place of purchase, nearest Westermo distributor office, or Westermo Tech support. -
Page 5: Maintenance
Note. Fibre Optic Handling Fibre optic equipment requires careful handling as the fibre components are very sensitive to dust and dirt. If the fibre is disconnected from the modem, the protective plug on the transmitter/receiver must be replaced. The protective plug must be kept on during transportation. -
Page 6: Simplified Eu Declaration Of Conformity
Simplified EU declaration of conformity Hereby, Westermo declares that the equipment is in compliance with EU directives. The full EU declaration of conformity and other detailed information are available at the respective product page at www.westermo.com. Agency approvals and standards compliance... -
Page 7: Type Tests And Environmental Conditions
Type tests and environmental conditions Electromagnetic Compatibility Phenomena Test Description Level EN 61000-4-2 Enclosure contact ± 6 kV Enclosure air ± 8 kV RF field AM modulated IEC 61000-4-3 Enclosure 10 V/m 80% AM (1 kHz), 80 – 800 MHz 20 V/m 80% AM (1 kHz), 800 –... -
Page 8: Functional Description
ODW-620-F1 is a fibre optic modem that converts between electrical RS-232 and a fibre optic link. ODW-620-F1 can also be used to convert from RS-232 to RS-485 by using one ODW-620-F1 and one ODW-630-F1. Data rate up to 250 kbit/s ODW-620-F1 converts data using rates from 300 bit/s up to 250 kbit/s. - Page 9 Point-to-point communication via fibre optical network The serial data is transferred via a fibre optic network between two ODW-620-F1. This application is useful e.g. for long distance communication, where electromagnetic interference may occur or when isolation of the electrical network is needed.
- Page 10 The data carrier detect (DCD) signal is set as long as the fibre link is in operation, ready to transfer data. The data set ready (DSR) signal is set as long as the ODW-620-F1 is in service. If RTS/CTS is set to OFF will CTS always be set to active.
- Page 11 System delay in an optical network Serial data transferred from one ODW-620-F1 via an optical network to a second one, will be delayed due to the length of optical fibre and the signal processing within the units.
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Page 12: Interface Specifications
Interface specifications Power Rated voltage 12 to 48 VDC 24 VAC Operating voltage 10 to 60 VDC 20 to 30 VAC Rated current 300 mA @ 12 V 150 mA @ 24 V 75 mA @ 48 V Rated frequency DC: –... - Page 13 Optical Power Budget The allowed link length is calculated from the optical power budget (OPB), the available optical power for a fibre-optic link, and the attenuation of the fibre, comprising losses due to in-line connectors, splices, optical switches and a margin for link ageing (typical 1.5 dB for 1300 nm). The worst-case optical power budget (OPB) in dB for a fibre-optic link is determined by the differ- ence between the transmitter’s output optical power (min) and the receiver input sensitivity (max).
- Page 14 Location of Interface ports, LED’s and DIP-switches DIP-switches accessible under lid (for details see page 15) LED Indicators (for details see page 14) Status screw terminal Position Direction Description Product marking Contact with C when fibre opti- cal links are in operation Common Open (no con-...
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Page 15: Led Indicators
LED indicators Status Description In service (power) Power Flashing Fault condition Out of service Not used CH 2 Not used CH 1 Fibre link at port CH 1 in operation. Data can be transmitted Fibre link at port CH 1 out of operation Flashing Receive data on the serial port. -
Page 16: S1 Dip-Switch
Configuration All needed configurations and parameter settings are done by the DIP-switches, located under the top lid. 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) Note: Disconnect power before DIP-switch settings. - Page 17 Mounting This unit should be mounted on 35 mm DIN-rail, which is horizontally mounted inside an apparatus cabinet, or similar. Snap on mounting, see figure. Cooling 10 mm * (0.4 inches) This unit uses convection cooling. To avoid obstructing the air- 25 mm flow around the unit, use the following spacing rules.
- Page 18 LED. … Connect the serial cables from PLC master and slave to respective ODW-620-F1s. … Frames from PLC master that are correctly received the ODW-620-F1 should be indi- cated by flashing TD LED. … Frames that are received via the fibre link will be transmitted to the PLC slave and indicated by flashing RD LED.
- Page 19 6651-22621...
- Page 20 Westermo • SE-640 40 Stora Sundby, Sweden Tel +46 16 42 80 00 Fax +46 16 42 80 01 E-mail: info@westermo.com www.westermo.com REV. B 6651-22621 2019-01 Westermo Network Technologies AB, Sweden...
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