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Search: Posts Made By: Lare
Forum: LIVE PLC Questions And Answers October 1st, 2018, 02:36 PM
Replies: 7
Views: 272
Posted By Lare
freewheel stop on VFD? Try ramp stopping. If acc...

freewheel stop on VFD? Try ramp stopping. If acc and stop ramps are same, then bump should be small as other accelerate and other ramps down.
Also is your PID ouput going to 0 when pump change. Is...
Forum: LIVE PLC Questions And Answers September 23rd, 2018, 06:22 AM
Replies: 8
Views: 290
Posted By Lare
What is your PLC scan time. If you have...

What is your PLC scan time.
If you have located your input to normal scan on program side, input counting can't be faster than that.
Make program section for counting to independent POU and call...
Forum: LIVE PLC Questions And Answers September 19th, 2018, 02:36 PM
Replies: 11
Views: 371
Posted By Lare
use one second pulse and double integer variable...

use one second pulse and double integer variable to count up.
Even with signed double integer you get 2,147,483,647 seconds with eguals to 119304 hours for one stage :yeah:
Forum: LIVE PLC Questions And Answers September 19th, 2018, 02:30 PM
Replies: 4
Views: 131
Posted By Lare
RS232 or RS485 extension cards like CM1241...

RS232 or RS485 extension cards

like CM1241 card
Forum: LIVE PLC Questions And Answers August 29th, 2018, 05:47 PM
Replies: 25
Views: 1,178
Posted By Lare
Do you have DVD driver on laptop? There is...

Do you have DVD driver on laptop?
There is adapters which convert DVD driver bay to HDD slot. Then you have your 2nd drive local and no IT dept needed
Forum: LIVE PLC Questions And Answers August 23rd, 2018, 12:05 PM
Replies: 4
Views: 244
Posted By Lare
if you have located variables (%M, %MW addressed)...

if you have located variables (%M, %MW addressed) then values are saved to automatically on PLC. (You need deselect initialize %MWi on cold start on PC settings screen)
Then you can transfer values...
Forum: LIVE PLC Questions And Answers August 23rd, 2018, 11:53 AM
Replies: 5
Views: 407
Posted By Lare
You can use FB126, and call deactivation again if...

You can use FB126, and call deactivation again if station is activated, OB100-OB102 calls should also work as mentioned before.
...
Forum: LIVE PLC Questions And Answers August 14th, 2018, 11:01 AM
Replies: 12
Views: 245
Posted By Lare
you mean 151-8 PLC, which have 300 series...

you mean 151-8 PLC, which have 300 series functionality.
You are right, data should be possible to read directly with OPC server from PLCs. For that you need Simatic OPC server and csv list of tags...
Forum: LIVE PLC Questions And Answers August 14th, 2018, 10:37 AM
Replies: 12
Views: 245
Posted By Lare
If you have newer 1200 and 1500 PLCs, then I...

If you have newer 1200 and 1500 PLCs, then I think that DB-blocks needs to be non optimized.
Also after you have loaded PUT / GET blocks and you code, give stop/start or power boot for your master...
Forum: LIVE PLC Questions And Answers August 14th, 2018, 10:13 AM
Replies: 12
Views: 245
Posted By Lare
yes, it works. Have done it past. You need...

yes, it works. Have done it past.
You need only to configure on you PLC projet (Netpro), S7 connection, unknow projet, IP: x.x.x.x Rack 0/slot2.
ON partner PLC needs only have IP address and...
Forum: LIVE PLC Questions And Answers August 3rd, 2018, 03:24 PM
Replies: 5
Views: 472
Posted By Lare
This should work, just make sure that index is...

This should work, just make sure that index is allways between array start and end values. If you PLC have array sorting, min and EQ comparing, comparing goes easy.



if clock_pls then ...
Forum: LIVE PLC Questions And Answers August 3rd, 2018, 08:49 AM
Replies: 5
Views: 472
Posted By Lare
For pump amount up to 4 or 5 programming is not...

For pump amount up to 4 or 5 programming is not too bad if you simplify code with Karnaugh's map. (16 or 32 dfferent sequences)

Indirect is good for 6 or more pumps.
Forum: LIVE PLC Questions And Answers August 3rd, 2018, 05:29 AM
Replies: 5
Views: 472
Posted By Lare
Equalizing pump hours can lead to all pums to...

Equalizing pump hours can lead to all pums to fail allmost same time.
However, Ron have maded example of 12 fans rotation. It is indirectly programmed, so it can examped easily.

You need two...
Forum: LIVE PLC Questions And Answers August 2nd, 2018, 10:16 AM
Replies: 9
Views: 537
Posted By Lare
Siemens adapter: ...

Siemens adapter:
https://mall.industry.siemens.com/mall/en/WW/Catalog/Product/6ES7193-6AG00-0AA0
Forum: LIVE PLC Questions And Answers July 30th, 2018, 03:26 PM
Replies: 1
Views: 125
Posted By Lare
isn't block counting every PLC scan? You can...

isn't block counting every PLC scan?
You can use thld parameter and count with it to 60 and then looking info.cter value. Cter is limited 65535 thought
Forum: LIVE PLC Questions And Answers July 26th, 2018, 12:44 PM
Replies: 16
Views: 694
Posted By Lare
Optimized block?

Optimized block?
Forum: LIVE PLC Questions And Answers July 24th, 2018, 01:37 AM
Replies: 18
Views: 786
Posted By Lare
It is possible. From vacon manual: ...

It is possible.

From vacon manual:

Fault code 8 / Operaton malfunction or Defective component

How to correct the fault

Reset the fault and start the drive again.
If the fault shows...
Forum: LIVE PLC Questions And Answers July 20th, 2018, 10:20 AM
Replies: 18
Views: 786
Posted By Lare
check parameter P5.5 / Ext. Fault open, It is on...

check parameter P5.5 / Ext. Fault open, It is on default DI0.
Fieldbus control can programmed to be place A or B. On basic control I think that it is A.
Forum: LIVE PLC Questions And Answers July 20th, 2018, 10:00 AM
Replies: 18
Views: 786
Posted By Lare
check DI2 or DI3 run enable input function and...

check DI2 or DI3 run enable input function and state.
Which vacon drive you have?
Forum: LIVE PLC Questions And Answers July 20th, 2018, 08:43 AM
Replies: 17
Views: 1,416
Posted By Lare
move command is manipulating same integer, so...

move command is manipulating same integer, so there can't be 2 different states on same time. It is move from 1-->2 or 1-->3. On later state 2 is jumped over.
You can use what number you like for...
Forum: LIVE PLC Questions And Answers July 20th, 2018, 08:37 AM
Replies: 17
Views: 1,416
Posted By Lare
sure there is much same between those to states....

sure there is much same between those to states. (only decision if output is on or off is different)
But it is easier to read afterwards and you don't need make set/reset latches for bits, like you...
Forum: LIVE PLC Questions And Answers July 20th, 2018, 08:30 AM
Replies: 18
Views: 786
Posted By Lare
on local mode, will it run either from keypad's...

on local mode, will it run either from keypad's run /stop buttons?

Not ready :scratch:
Fieldbus will give also ready to start signal to VFD with 47E/F.
On default interlock signal is from...
Forum: LIVE PLC Questions And Answers July 20th, 2018, 02:17 AM
Replies: 18
Views: 786
Posted By Lare
from Vacon settenig, you have selected field...

from Vacon settenig, you have selected field control and vacon is on remote mode. Also it isn't stopped of panel stop button?
If you change speed reference from PLC, is reference also changing to...
Forum: LIVE PLC Questions And Answers July 20th, 2018, 01:24 AM
Replies: 18
Views: 786
Posted By Lare
is PLC seeing Vacon on profibus (Go to online...

is PLC seeing Vacon on profibus (Go to online view, double click hardware and check that connection is OK on hardware view(No red cross.)
If connection is ok then control word = 47e = stop,...
Forum: LIVE PLC Questions And Answers July 19th, 2018, 01:11 PM
Replies: 17
Views: 1,416
Posted By Lare
Can you add extra state, Go to state S500 if...

Can you add extra state, Go to state S500 if output was "On" and directly to state S501 (added state) if output was "Off"
Then from S500 and S501 go to state S600?
Showing results 1 to 25 of 500

 
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