Delta C2000 Series User Manual page 312

Display External Multi-function Output Terminal occupied by PLC
P.02-53 shows the external multi-function output terminal that used by PLC.
For Example:
If the value of Pr.02-53 displays 0003h (Hex), it means RY1and RY2 are used by PLC.
Display the Frequency Command Executed by External Terminal
Settings 0.01~599.00Hz (Read only)
When the source of frequency command comes from the external terminal, if Lv or Fault occurs
at this time, the frequency command of the external terminal will be saved in this parameter.
Chapter 12 Description of Parameter Settings
12.1-02-26
Factory Setting: Read only
Factory Setting: Read only