Download Print this page

Emerson VLS**435A Operating Instructions Manual

Vibrating level switch
Hide thumbs

Advertisement

Quick Links

Operating Instructions
IP4001, Rev CA
March 2018
Mobrey
Series VLS
Vibrating Level Switch

Advertisement

loading

  Related Manuals for Emerson VLS**435A

  Summary of Contents for Emerson VLS**435A

  • Page 1 Operating Instructions IP4001, Rev CA March 2018 ™ Mobrey Series VLS Vibrating Level Switch...
  • Page 2: Table Of Contents

    Operating Manual Mobrey Series VLS IP4001, Rev CA March 2018 Contents Introduction ............... . . page 2 Installation .
  • Page 3: Installation

    Operating Instructions Mobrey Series VLS IP4001, Rev CA March 2018 Dimensions Figure 1-1. Mobrey Series VLS Dimensions Cable extended version Standard version Extended rod version S=46 S=46 S=46 L=207 L=300-3000 L=1000-2000 A. 2 off M20x1.5 conduit entries B. 2 off NPT -in.
  • Page 4 Operating Manual Mobrey Series VLS IP4001, Rev CA March 2018 Screw in the device by its hexagon neck. After screwing tight the process connection, the housing can be rotated (up to maximum of 300°), to adjust the cable gland to the required position. It might be necessary to install the device at an offset level position relative to the switching level actually required, taking into account caving or arching of the material in the silo (see Figure...
  • Page 5 Operating Instructions Mobrey Series VLS IP4001, Rev CA March 2018 With powder level detection, the device should be installed at an inclination exceeding the angle of repose (or vertically in case of high level detection), to prevent powder deposition on the vibrating rod that might substantially reduce the self-cleaning effect.
  • Page 6: Adjustments

    Operating Manual Mobrey Series VLS IP4001, Rev CA March 2018 Adjustments The enclosure must not be opened when the equipment is electrically energized. Remove the top cover of the housing to access the connection terminals and adjusting switches. In case of Dust Ex instruments, the housing cover can only be opened after the removal of the cover securing clamp.
  • Page 7 Operating Instructions Mobrey Series VLS IP4001, Rev CA March 2018 Figure 1-5. Electrical Connections S tatus L E D 250VAC 8A/AC1 N L1 1 2 3 4 5 6 NO C NC N L 1 Table 1-1. Operation Fail-safe Power Probe mode Relay...
  • Page 8: Maintenance

    This must be carried out gently, without harming the vibrating section of the vibrating rod. Repairs during or after the guarantee period are affected by Emerson. Equipment sent back for repairs must always be cleaned or neutralized (disinfected) by the user.
  • Page 9 Mobrey Series VLS IP4001, Rev CA March 2018 Figure 1-6. Ambient (T ) Versus Process (T ) Temperatures (°C) (°C) Table 1-3. Thermal Data VLS**435A VLSK*(1/3)35A VLSH**35A +60 °C +70 °C +80 °C... +60 °C +70 °C +95°C +110 °C +160 °C...
  • Page 10 Operating Manual Mobrey Series VLS IP4001, Rev CA March 2018...
  • Page 11 Operating Instructions Mobrey Series VLS IP4001, Rev CA March 2018...
  • Page 12 Emerson Terms and Conditions of Sale are available upon request +44 (0)1753 756600 The Emerson logo is a trademark and service mark of Emerson Electric Co. Mobrey and Rosemount are marks of the Emerson family of companies. +44 (0)1753 823589 All other marks are the property of their respective owners.