Delta Electronics VFD-E manual Start-up Steps for PLC Execution, RS485

Appendix D How to Use PLC Function

D.2 Start-up

D.2.1 The Steps for PLC Execution

Please operate PLC function by the following five steps.

1.Switch the mode to PLC2 for program download/upload:

A.Go to “PLC0” page by pressing the MODE key

B.Change to “PLC2” by pressing the “UP” key and then press the “ENTER” key after confirmation

C.If succeeded, “END” is displayed and back to “PLC2” after one or two seconds.

Disable	Run PLC Read/write PLC program
	into AC drives

NOTE

You don’t need to care about the PLC warning, such as PLod, PLSv and PldA, before downloading a program to VFD-E.

2.Connection: Please connect RJ-45 of AC motor drive to computer via RS485-to-RS232 converter.

RS485

3.Run the program. The PLC status will always be PLC2, even if the AC motor drive is switched off.

There are three ways to operate PLC:

A.In “PLC1” page: execute PLC program.

B.In “PLC2” page: execute/stop PLC program by using WPL software.

C.After setting multi-function input terminals (MI3 to MI9) to 23 (RUN/STOP PLC), it will display “PLC1” for executing PLC when the terminal is ON. It will display “PLC0” to stop PLC program when terminals are OFF.

NOTE

When external terminals are set to 23 and the terminal is ON, it cannot use keypad to change PLC

mode. Moreover, when it is PLC2, you cannot execute PLC program by external terminals.

D-2 Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11