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Search: Posts Made By: PLC_talk
Forum: LIVE PLC Questions And Answers August 13th, 2007, 07:25 AM
Replies: 4
Views: 2,473
Posted By PLC_talk
Smile Mikey, Thanks, you were spot on:) It...

Mikey,
Thanks, you were spot on:)

It solves my problem.

Regards
:cool:
Forum: LIVE PLC Questions And Answers August 11th, 2007, 02:50 AM
Replies: 4
Views: 2,473
Posted By PLC_talk
How to set tuning constants for SLC PID loop

Hello,
I am using a AB SLC5/05 PLC & using the PID insrtuction for a single loop control. I have assigned N10:0 as the control block starting address, so I beleive the Kp,Ti,Td will be...
Forum: LIVE PLC Questions And Answers July 29th, 2007, 10:53 PM
Replies: 7
Views: 3,247
Posted By PLC_talk
Hello, Thanks for all the inputs.I was able to...

Hello,
Thanks for all the inputs.I was able to solve the problem by setting the loop scan to 1.2.
Forum: LIVE PLC Questions And Answers July 25th, 2007, 11:28 PM
Replies: 7
Views: 3,247
Posted By PLC_talk
Thanks Ron / Myles, I will reassign some other...

Thanks Ron / Myles,
I will reassign some other N file & test it. BTW the error I am getting is " An invalid value is being used for the PID instruction parameter" . Also in the RUN mode the MODE...
Forum: LIVE PLC Questions And Answers July 25th, 2007, 01:19 AM
Replies: 7
Views: 3,247
Posted By PLC_talk
SLC 500 PID problem

Hello ALL,
I am facing a problem while executing the PID instruction. As soon as the Processor is put in Run mode the CPU goes to fault indicating PID fault. If the instruction is deleted then the...
Forum: LIVE PLC Questions And Answers March 30th, 2007, 07:32 AM
Replies: 3
Views: 1,666
Posted By PLC_talk
While downloading the FCs & FBs it gives "The...

While downloading the FCs & FBs it gives "The Block is too big" . The actual size of each is between 20-30 bytes.
Thanks
Forum: LIVE PLC Questions And Answers March 30th, 2007, 07:30 AM
Replies: 2
Views: 2,036
Posted By PLC_talk
Thanks Ken

Thanks Ken
Forum: LIVE PLC Questions And Answers March 29th, 2007, 10:36 AM
Replies: 3
Views: 1,666
Posted By PLC_talk
Siemens s7-300 downloading error

Hello All,
I am facing problem while downloading the S7-300 ladder to CPU. I tried browsing the Forum if someone had this kind of error, but couldn't come across any.
The ladder has been compiled...
Forum: LIVE PLC Questions And Answers March 29th, 2007, 10:32 AM
Replies: 2
Views: 2,036
Posted By PLC_talk
How to compute S7 Memory availibiity vis-a-vis CPU model no.

I am trying to corelate the S7 CPU specification data to the actual memory I get to use & somehow I am not able to come to a correct answer.
I have a CPU - 6ES7 414-4HJ04-0AB0, the manual specifies...
Forum: LIVE PLC Questions And Answers March 8th, 2007, 11:28 AM
Replies: 0
Views: 747
Posted By PLC_talk
Modbus connectivity to CP441

Hello,
I am connecting PC to Siemens S7-400 PLC via CP441 (modbus) & am facing problem while accessing the register memory area of Simantic.
After double clicking the CP441 in the Hardware menu...
Forum: LIVE PLC Questions And Answers January 31st, 2007, 09:36 AM
Replies: 1
Views: 1,962
Posted By PLC_talk
How to connect Simatic Manager to S7 via internet

Hello All,
I have an interesting situation. The Siemens S7 system is at a remote site & I would like to know if there is any way to connect the Simatic manager through internet; would like to modify...
Forum: LIVE PLC Questions And Answers January 30th, 2007, 10:26 PM
Replies: 5
Views: 1,711
Posted By PLC_talk
Sylent, Thanks for your suggestion. This is one...

Sylent, Thanks for your suggestion. This is one thing I hadn't tried nor thought of!:cool:
Will let you know if it works this way.
Presently I am getting errors in diagnostic buffers as - #49A4 -...
Forum: LIVE PLC Questions And Answers January 30th, 2007, 08:28 AM
Replies: 9
Views: 1,856
Posted By PLC_talk
L D, Jesper Thanks. I will try compressing.

L D, Jesper Thanks.

I will try compressing.
Forum: LIVE PLC Questions And Answers January 30th, 2007, 06:27 AM
Replies: 5
Views: 1,711
Posted By PLC_talk
Does anyone know which Siemens manual tells about...

Does anyone know which Siemens manual tells about the Event IDs & errors in the Diagnostic buffer.
One stupid question - There is a S7 software redundancy manual. Is it a strict no-no to refer if I...
Forum: LIVE PLC Questions And Answers January 30th, 2007, 06:18 AM
Replies: 5
Views: 1,711
Posted By PLC_talk
S7 redundancy hangups!

Hello All,
First I tried browsing all the earlier posts to check for some solution, but can't find it.. so here is the problem :shoot:

Situation 1 - S7-400H system in redundant mode, Works fine...
Forum: LIVE PLC Questions And Answers January 30th, 2007, 06:02 AM
Replies: 9
Views: 1,856
Posted By PLC_talk
Hello, I am using a S7 400H system, & the...

Hello,

I am using a S7 400H system, & the message comes while downloading.
I have recompiled the project , even tried saving it using the reorganisation block.
Forum: LIVE PLC Questions And Answers January 29th, 2007, 10:03 PM
Replies: 9
Views: 1,856
Posted By PLC_talk
How do I compress? Do you mean reorganization &...

How do I compress? Do you mean reorganization & save?

Thanks
Forum: LIVE PLC Questions And Answers January 29th, 2007, 09:18 AM
Replies: 9
Views: 1,856
Posted By PLC_talk
S7 memory bottleneck

I am getting an error in the diagnostic buffer saying " memory bottleneck" What is this & how do I solve this?

Thanks,
:)
Forum: LIVE PLC Questions And Answers January 29th, 2007, 08:09 AM
Replies: 2
Views: 2,027
Posted By PLC_talk
Thanks Paul :)

Thanks Paul
:)
Forum: LIVE PLC Questions And Answers January 28th, 2007, 11:29 PM
Replies: 6
Views: 1,729
Posted By PLC_talk
Hello Guys, Thanks for the information. The...

Hello Guys,
Thanks for the information.
The weird thing is the same programmed worked next day! May be it just needed a PC reboot.
a. BTW FC^ is a typo, it's FC6

Thanks,
:)
Forum: LIVE PLC Questions And Answers January 27th, 2007, 11:45 PM
Replies: 2
Views: 2,027
Posted By PLC_talk
How to enter S7 constants

Hello everyone,
I am using S7 PLC . I would like to know how do I enter a constant in DINT format.
I am trying to enter a constant value of say 3 to a logic instruction DI_R.
I couldn't find any...
Forum: LIVE PLC Questions And Answers January 27th, 2007, 11:10 PM
Replies: 6
Views: 1,729
Posted By PLC_talk
S7- Date Extraction not working

Hello All,
I am facing a wierd problem on S7-400 PLC.
I am trying to extract date using following simple logic & using PLCSIM to test it.
SFC1 reads the Date & time to a #cdt1 temp DT type. This...
Forum: LIVE PLC Questions And Answers January 27th, 2007, 01:50 AM
Replies: 8
Views: 2,365
Posted By PLC_talk
Following OBs do not have outgoing event, jsut...

Following OBs do not have outgoing event, jsut one event.
)B 80,83,85,87,88,121,122
How do I reset these OBs which are having similar detection logic?
Any suggestions?
Thanks,
:)
Forum: LIVE PLC Questions And Answers January 26th, 2007, 08:21 AM
Replies: 8
Views: 2,365
Posted By PLC_talk
Ken Thanks. I never looked deeply into the...

Ken Thanks. I never looked deeply into the meanings of outgoing & incoming:scratch: events . Your reply realy helps.:thumb:
Forum: LIVE PLC Questions And Answers January 26th, 2007, 08:11 AM
Replies: 8
Views: 2,025
Posted By PLC_talk
Wow! Thanks guys, for all the feedbacks.

Wow! Thanks guys, for all the feedbacks.
Showing results 1 to 25 of 50

 
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