This week we would like to show you two new function blocks (FB) that we have developed to make even easier to use Delta Industrial Automation products.
Usually we need to control several AC drives from a single Master PLC and Modbus communication is a cheap and helpful way to get it.
In order to reduce programming and commissioning time we have developed two FB:
- COM2_VFDLINK: Configures the communication parameters (baudrate, number of bits, parity,…) that all the nodes on the network have to share and informs about the communication state of each node.
- DELTA_VFD: Controls each one of the slaves VFD, we can Start/Stop, Forward/Reverse, frequency command and reset faults. On the other side, the FB informs us about the status of the drive, alarm code, output frequency and output current.
Below you’ll find the FB library ready to be imported in your ISPSoft and a little pdf explaining the I/O of each FB, enjoy it!
Delta Industrial Automation 
April 5, 2019 at 4:39 am
Access to the FB password would enable modification to suit user application.
November 15, 2018 at 12:10 pm
Asks FB pasword
October 25, 2018 at 11:02 am
hi.
Please provide password of FB, I would like to link to 2 Fuji invertors.
July 21, 2018 at 4:24 am
FB password ?
January 30, 2018 at 10:42 pm
Hello,
I tested the communication blocks and they worked correctly, however, communication with my HMI is presenting problems.
Do you have any idea what might be happening?
I parametrized the communication block for 3 slaves, I am using a plc dvp14ss2 as slave 1, a frequency inverter VFD EL as slave 2 and another frequency inverter VFD EL as slave 3.
My DOP B05S HMI is as master.
COM: 19200, 8 BITS, NONE, STOP BITS: 2
May 5, 2017 at 11:19 am
Hello, I find this FB very usefull in my works, but in some case I need to manage acc./dec. time (Par: 01.09 and 01.10). Is possible to implement this on it? Thanks.
May 9, 2017 at 2:20 pm
Not a this moment, but we will write this option down, so in a new version of the FB we could add it.
May 4, 2017 at 2:53 pm
hi, I generally use a similar FB developed by my dealer in Italy, it’s very easy and usefull. But, in some case I need to modify the setting of parameter 01.09 and 01.10 (acc./dec. time). Is possible do it from FB? Thanks.
March 6, 2017 at 2:16 am
I can not use the librery, How is the way?
March 6, 2017 at 5:24 pm
You only need to import the FBs at the end of the entry into your ISPSoft and then used them in your program.In this LINK you will find the mannual of ISPSoft where you can find additional information on how to import FB and use them in your projects.
March 6, 2017 at 5:37 pm
Thanks, Joan.
Thanks, I managed to include the library but this does not work.
I have the same problem with Simon as below. I do not see how Simon solved it.
The cable is OK, …
Question: I can use VFDs and DTCs at the same time. (DTC using PLC link).
There is a new library for VFDs.
Does this library work well for the VFD series E, EL, and C2000?
Best Regards
February 9, 2017 at 11:08 pm
Can you control 3 drives simultaneously? Only changing parameter 9.00?
February 10, 2017 at 9:49 am
Right! You only need to put a different node address on each drive (1, 2 and 3) and on the COM2_VFDLINK function block you need to set a three on the NUM_SLAVES input.
July 6, 2016 at 4:06 pm
HI,
I have set 9.00 = 1 ; 9.01 = 1 (9600) ; 9.04 = 1 (ASCII,7,E,1) and I’m getting communication error like on screen below:
Any advice what I’m doing wrong?
July 7, 2016 at 11:11 am
Hi Simon,
Check the following points:
– The cables between the PLC COM2 and the Modbus port on the VFD (D+ to pin5 and D- to pin 4 of RJ45 connector on the VFD.
– Has the drive correctly set the source of command and frequency? (see below comment for additional details)
– In your PLC the internal bit M1353 has to be OFF.
July 7, 2016 at 12:48 pm
Cable and 2.xx commands are ok. When I use single MODWR function everything is working.
It seems that easy link doen’t work. Since which PLC firmware version this function is supported? My PLC firmware is 1.2
July 7, 2016 at 6:09 pm
I have managed to start plc link. Had to do factory reset on plc.
But I have a different problem now. Link works only on VFD-E with address 1, second VFD-E with address 2 isn’t working.
I exclude cable mistake because when I switch VFD-E adresses I can instantly control drive (Im not touching rj45 cables).
All settings comm settings and 2.00 and 2.01 are set correct.
Comm_Error_2 is flashing.
Tried this on PLC-SE with frimware 1.2 and 1.82
Any advice how to fix this?
July 5, 2016 at 7:16 am
how to add this function block to ips soft library
i add this block to user define library
how to add this in program
June 30, 2016 at 6:40 pm
Does it work with C2000 series?
July 1, 2016 at 12:56 pm
Yes for sure!
You have to take care of configure the right values on these parameters:
• P09-00: Node number
• P09-01: Baudrate
• P09-04: Protocol (ASCII/RTU, number of bits, parity, stop bits)
• P00-20: Source of First Master Frequency Command (set it to 1 to control freq by RS485).
• P00-21: Source of First Operation Command (set it to 2 to control command by RS485).
For other VFD series as VFD-E or VFD-EL:
• P09-00: Node number
• P09-01: Baudrate
• P09-04: Protocol (ASCII/RTU, number of bits, parity, stop bits)
• P02-00: Source of First Master Frequency Command (set it to 3 to control freq by RS485).
• P02-01: Source of First Operation Command (set it to 3 to control command by RS485).
June 20, 2016 at 12:20 pm
FB password ?
June 20, 2016 at 1:09 pm
Hi Jhonny,
We provide the FB in order that you can use them without any limitation in your projects and you don’t need the password for this purpose.
May 25, 2017 at 5:08 pm
I needed this FB to work for com3 since i’m using the com3 to communicate with a c2000 drive. i was wondering if i could also get the password so i can adjust the FB to suite com3
May 25, 2017 at 5:16 pm
Hi Seth,
Sorry but this FB uses the PLC Link functionality which makes that it can only be used on COM2.