Rockwell Automation Enwatch EK-44750C Service Bulletin
Rockwell Automation Enwatch EK-44750C Service Bulletin

Rockwell Automation Enwatch EK-44750C Service Bulletin

24v dc replacement kit

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Summary of Contents for Rockwell Automation Enwatch EK-44750C

  • Page 1 Service Bulletin Enwatch 24V DC Replacement Kit Catalog Numbers EK-44750C, EK-44750C-RK24V series B Topic Page Important User Information Before You Begin Parts List Identify the Enwatch Board Issue Identify the Power Supply Exchange the Enwatch Boards and Power Supplies Remove the Enwatch Board Remove the Power Supply Mounting Base Plate Install the New Power Supply Mounting Base Plate Install the Enwatch Board...
  • Page 2: Important User Information

    In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.
  • Page 3: Before You Begin

    • These instructions apply only to Enwatch boards P/N EK-44750C. Enwatch CSANI P/N IMPORTANT EK-44750CSANI must be returned to a Rockwell Automation repair center for all board replacements and repairs. • All Enwatch boards (EK-44750C and EK-44750CSANI) built before July 2005 were powered by a 12V DC power supply.
  • Page 4: Identify The Enwatch Board Issue

    The 12V DC power supply has a blue label. The 24V DC power supply is smaller and is labeled 24V. Figure 2 - Power Supply Identification 24V DC 12V DC Blue Label 24V Label Rockwell Automation Publication GMSI10-SB001A-EN-P - May 2013...
  • Page 5: Exchange The Enwatch Boards And Power Supplies

    Exchange the Enwatch Boards Removal and replacement of the Enwatch board and mounting base plate should be performed only at the request of Rockwell Automation Repair Center and Power Supplies personnel when it is not feasible to return the Enwatch system to a Repair Center.
  • Page 6 A - B 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 9-10-11-12-13-14-15-16 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 9-10-11-12-13-14-15-16 Rockwell Automation Publication GMSI10-SB001A-EN-P - May 2013...
  • Page 7: Remove The Power Supply Mounting Base Plate

    2. If sensor grounding wires are connected to the grounding terminal strip, disconnect them. 3. Remove the four mounting base-plate screws and washers (circled). 4. Lift the mounting base plate out of the Enwatch enclosure. Rockwell Automation Publication GMSI10-SB001A-EN-P - May 2013...
  • Page 8: Install The New Power Supply Mounting Base Plate

    Restore power at mains source. g. Verify that the DC power input status indicator is green. Allen-Bradley, Rockwell Software, Rockwell Automation, and Enwatch are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies.

This manual is also suitable for:

Enwatch b seriesEnwatch ek-44750c-rk24v

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