Delta Electronics AC Motor Drive VFD-E, User Manual

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Appendix D How to Use PLC Function
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D-2 Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11
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.