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Table of Contents
Related Manuals for SMAR DF53
Summary of Contents for SMAR DF53
- Page 1 USER’S MANUAL D F 5 3 - 9 8 M E...
- Page 2 Specifications and information are subject to change without notice. Up-to-date address information is available on our website. web: www.smar.com/contactus.asp...
- Page 3 DF53 / DF98 – Power Supply Impedance for Fieldbus AVOIDING ELECTROSTATIC DISCHARGES ATTENTION Electrostatic discharges may damage semiconductor electronic components in the printed circuit boards. They usually occur when touching components or connector pins from modules and racks without wearing the appropriate equipment to prevent discharges.
- Page 4 (a 100 Ω resistor in series with a 1 μF capacitor) required by the standard, results in a pure resistive line impedance for a broad frequency range. The DF53 and DF98 cannot be used in intrinsic safety areas.
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Page 5: Technical Specifications
Figure 3 - Power supply impedance for fieldbus: DF53/DF98 NOTE The DF49 model was discontinued. The replacement by DF53 or DF98 models should be evaluated according to the current limits. The DF53 supports up to 340 mA per channel and DF98 supports 500 mA per channel. Technical specifications INPUT 24 to 32 Vdc ±... - Page 6 DF53 / DF98 – User’s Manual TEMPERATURE Operation 0 ºC to 60 ºC Storage -30 ºC to 70 ºC SAFETY DF53: 450 mA Output Overcurrent DF98: 600 mA 2.5 A Input Fuse Input and output protected by transient suppressors Atmospheric Discharges...
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Page 7: Installation
DF53 / DF98 – User’s Manual Installation The DF53/DF98 is a device specially designed for panel installation and it cannot be installed in unsheltered locations, as it cannot be exposed directly to the weather. The module can be connected to the panel directly on the DIN rail or using the auxiliary support provided with the module, fixed with screws. -
Page 8: Dimensional Drawing
DF53 / DF98 – User’s Manual Dimensional drawing Maintenance and troubleshooting The DF53/DF98 is a robust device which basically requires no preventive maintenance. It is simply recommended to protect it from excessive dust accumulation and humid environments which might affect its output impedance. -
Page 9: Srf - Service Request Form
Contact: _______________________________________________________________________________________________________ Section: _______________________________________________________________________________________________________ Title: ________________________________________________ Signature:_______________________________________________ Phone: _________ _________________________ _________ _________________________ Extension: ___________________ E-mail: ________________________________________________________________________ Date: ______/ ______/ _________ For warranty or non-warranty repair, please contact your representative. Further information about address and contacts can be found on www.smar.com/contactus.asp... - Page 10 DF53 / DF98 – User’s Manual...
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