6DR2004-1

FAQS

• What control function is assigned to Siemens 6DR2004-1?
  It is a SIPART DR20 compact controller for a configured industrial control loop.
• Which communications options may be present on this DR20 controller?
  The installed option may provide PROFIBUS-DP or serial RS232C/RS485 communication and must be identified before replacement.
• What PROFIBUS station range is documented for the supported option?
  The available manufacturer information documents station addresses from 0 to 31 for the supported PROFIBUS option.
• How can the installed communication option be identified?
  Record the fitted option module, terminal assignment, station setting and project documentation before disconnecting the controller.
• Which loop data should be preserved before exchanging the controller?
  Preserve the configured input, output, setpoint, control parameters, alarms and communication settings for the installed loop.
• Can another SIPART DR20 variant be used without checking the option hardware?
  No. The full order number, fitted communication option and configured loop functions must be matched and approved.
• What operational checks are required after a 6DR2004-1 replacement?
  Verify local indication and input, the configured control output, loop response and any installed PROFIBUS or serial communication.
• What should the commissioning record contain?
  Record the exact model, option module, station setting, restored loop parameters and the accepted controlled-loop test.