Delta PLC DVP14SS2 is a low cost, compact size PLC from Delta. However, it is integrated with extremely impressive technology such as High Speed Counter, PTO, RS485.
Today plc247.com will guide you to use Delta DVP14SS2 to control Siemens Sinamics V20 inverter through Modbus RTU (both are built-in RS485 port)
DELTA DVP14SS2 & Sinamics V20 “Wiring Diagram”
Siemens Sinamics V20 Modbus Configuration
We need to configure the communication parameters as the table below to be able to control Sinamics V20 by Modbus-RTU RS485
Register Control Address
+ VFD Control Address = 99 (dec)
- Set Word 99 = 1151 >>> Forward Run
= 3199 >>> Reverse Run - Set Word 99 = 1150 >>> Stop
- Set Word 99 = 1278 >>> VFD Reset
+ Frequency Setting Address = 100 (dec)
Data Monitoring Address
We will read 3 Output values including: Frequency, Speed, Current with the starting address as: 23 (dec)
Delta DVP 14SS2 Modbus Parameters Setting
We need to configure the same parameters as those configured in Siemens Sinamics V20
PLC Programming
+ Modbus RTU parameters setting
+ Frequency Setting Command
+ VFD Control Command
+ Read Data Response
Project Video Tutorial
======
Related Software and Documents
>>> Download WPL Soft for PLC Delta Programming
>>> Siemens Sinamics V20 Manual PDF Download (Password Extract: plc247.com)
Please comment and share the article to the community if you find it useful. If you have any questions about connecting Delta DVP14SS2 with Sinamics V20, please comment, plc247.com will answer you as soon as I read the comment.
Best Regards!
