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Search: Posts Made By: parky
Forum: LIVE PLC Questions And Answers Yesterday, 02:16 PM
Replies: 23
Views: 458
Posted By parky
you must make sure the data types are correct. ...

you must make sure the data types are correct.
You need to format the Date

Dim My_Date as variant
My_date = "'" + Format(Date,"yyyy-mm-dd") + "'"
Dim My_Tag1, My_Tag2 as integer (note it...
Forum: LIVE PLC Questions And Answers Yesterday, 02:16 AM
Replies: 23
Views: 458
Posted By parky
First of all have you created a "DSN" (Data...

First of all have you created a "DSN" (Data source name), this is the easiest way to configure the connection string, so you go to Control panel, system & security, administrative tools, ODBC Data...
Forum: LIVE PLC Questions And Answers February 23rd, 2021, 04:01 AM
Replies: 23
Views: 458
Posted By parky
Here is some code using VB, might vary in SE ...

Here is some code using VB, might vary in SE

Option Explicit
Dim GroupStr1,SQLStr, BatchIDStr As String
Dim Rs1 As New ADODB.Recordset
Dim Conn1 As New ADODB.Connection
Dim Times As Variant...
Forum: LIVE PLC Questions And Answers February 23rd, 2021, 03:31 AM
Replies: 10
Views: 280
Posted By parky
Perhaps this manual will contain what you need ...

Perhaps this manual will contain what you need

http://www.atronika.com/Mitsubishi/PLC/MITSUBISHI_QnUCPU-User%E2%80%99s-Manual-Communication-via-Built-in-Ethernet-Port.pdf
Forum: LIVE PLC Questions And Answers February 22nd, 2021, 11:20 AM
Replies: 5
Views: 172
Posted By parky
Perhaps a MOV Instruction ?, do you need to move...

Perhaps a MOV Instruction ?, do you need to move it, is there a reason you could not just use the address where the integer is stored in the PLC ?.
Your question is a bit vague.
Forum: LIVE PLC Questions And Answers February 22nd, 2021, 11:04 AM
Replies: 6
Views: 161
Posted By parky
Here is the manual ...

Here is the manual
https://cache.industry.siemens.com/dl/files/551/59193551/att_825401/v1/s71500_aq_8xu_i_hs_manual_en-US_en-US.pdf
Forum: LIVE PLC Questions And Answers February 22nd, 2021, 10:11 AM
Replies: 6
Views: 161
Posted By parky
I think these modules contain selectable active...

I think these modules contain selectable active or passive, there are modules that can be changed in orientation they just lift out and rotated depending on the mode required.
See Here:...
Forum: LIVE PLC Questions And Answers February 22nd, 2021, 07:45 AM
Replies: 10
Views: 280
Posted By parky
What sort of links have you between the PLC's is...

What sort of links have you between the PLC's is it NETH, Ethernet or are you using digital I/O, need more information.
Forum: LIVE PLC Questions And Answers February 22nd, 2021, 06:36 AM
Replies: 9
Views: 497
Posted By parky
Due to different platforms it is possible it may...

Due to different platforms it is possible it may work in different ways,
Here is some ST for if/else & using the ST SET/RESET functions, you can see they all do what is expected but the code is...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 02:32 PM
Replies: 6
Views: 290
Posted By parky
We used to do the same as James, although using...

We used to do the same as James, although using CAD and a library of our own components layout was easy but sometimes it was easy to print out the component shapes & stick them to the backplane, it...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 02:17 PM
Replies: 10
Views: 460
Posted By parky
I have one of those old RS232 configurable...

I have one of those old RS232 configurable dongles so certain lines can be changed via dip switches, the ones that are fixed are the common & screen, used it for many years & set switches while...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 02:09 PM
Replies: 55
Views: 2,682
Posted By parky
DR: not bits words so the operator enters the...

DR: not bits words so the operator enters the lane number on the HMI (for convenience I have put 7 buttons so each button will put 1-7 in the array at position 0, when the shift is triggered this...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 07:50 AM
Replies: 31
Views: 797
Posted By parky
The only reason for false triggers using a prox...

The only reason for false triggers using a prox will be if the notches are not clear & you get double pulses I had this once detecting bolts on a shaft, we ended up rounding them off.
This was due...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 07:48 AM
Replies: 55
Views: 2,682
Posted By parky
Here is another way of doing it using block copy,...

Here is another way of doing it using block copy, only thing is you have to zero the first word in the array or every shift would put the same number in.
By copying the block from word zero to word...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 07:35 AM
Replies: 55
Views: 2,682
Posted By parky
No I wrote it before he did, but never posted it,...

No I wrote it before he did, but never posted it, and I never bothered to save the code,
Here is a homemade shift register using pointers
SET(Trigger,Pulse); (*Set the bit to run the logic *)...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 07:19 AM
Replies: 31
Views: 797
Posted By parky
Yeah never use push buttons it needs to be an...

Yeah never use push buttons it needs to be an electronic generated pulse as contacts tend to give quite high pulses on press & release.
If you can gete a proximity connected & just use something to...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 07:07 AM
Replies: 31
Views: 797
Posted By parky
This might give you some information although it...

This might give you some information although it only mentions using quadrature i.e. two inputs.
...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 06:25 AM
Replies: 31
Views: 797
Posted By parky
I have had a look at the manual & it seems to...

I have had a look at the manual & it seems to suggest in mode 0 (or 1a what ever that is) it only uses the one input, there is a mention regarding being able to use the other inputs elsewhere but it...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 05:01 AM
Replies: 6
Views: 463
Posted By parky
We had a similar problem, many of our machines...

We had a similar problem, many of our machines had heads that were controlled by very large cylinders the operation was from top to bottom, When an emergency stop or guard was broken there was a...
Forum: LIVE PLC Questions And Answers February 19th, 2021, 02:59 AM
Replies: 31
Views: 797
Posted By parky
I think a larger prox will have a larger...

I think a larger prox will have a larger hysteresis (dome) and will probably be worse, I noticed the OP's comment that the filter time was only valid on HSC, I thought HSC is what is being used but...
Forum: LIVE PLC Questions And Answers February 18th, 2021, 01:26 PM
Replies: 31
Views: 797
Posted By parky
Should not be a problem, we had indexing...

Should not be a problem, we had indexing conveyors with flat pegs on the chain, these fitted into a stainless guide so the indicator flags were only about 5mm wide, 1.5mm thick and lay against the...
Forum: LIVE PLC Questions And Answers February 18th, 2021, 01:18 PM
Replies: 14
Views: 383
Posted By parky
One thing we used to do is for 415v to disable it...

One thing we used to do is for 415v to disable it & check connectors are plugged in is have a return loop so that the main panel knows all plugs have been plugged in and enables the 415v power...
Forum: LIVE PLC Questions And Answers February 18th, 2021, 06:33 AM
Replies: 31
Views: 797
Posted By parky
I believe it can be done as a single phase...

I believe it can be done as a single phase counter.
According to the manual, mode 0 or 1 of the HSC is a count up single counter mode 0 is it resets when it reaches pre-set or mode 1 is reset via a...
Forum: LIVE PLC Questions And Answers February 18th, 2021, 06:28 AM
Replies: 31
Views: 797
Posted By parky
I know very little about the Micro 850 but I...

I know very little about the Micro 850 but I believe like many small PLC's you can use the first byte (8) of digital inputs (24v type) as high speed counter inputs, there are some special...
Forum: LIVE PLC Questions And Answers February 18th, 2021, 06:12 AM
Replies: 2
Views: 250
Posted By parky
You don't say which platform is it SLC, PLC5 etc....

You don't say which platform is it SLC, PLC5 etc.
Assuming older models then there is probably no way to convert between different manufacturers only brute force, the reason for this is older...
Showing results 1 to 25 of 500

 
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