You are not registered yet. Please click here to register!


 
 
plc storereviewsdownloads
This board is for PLC Related Q&A ONLY. Please DON'T use it for advertising, etc.
 
Try our online PLC Simulator- FREE.  Click here now to try it.

---------->>>>>Get FREE PLC Programming Tips

New Here? Please read this important info!!!


Go Back   PLCS.net - Interactive Q & A > PLCS.net - Interactive Q & A > LIVE PLC Questions And Answers

PLC training tools sale

 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
Old October 29th, 2002, 09:41 AM   #1
TimothyMoulder
Member
United States

TimothyMoulder is offline
 
TimothyMoulder's Avatar
 
Join Date: Apr 2002
Location: Just a bit northeast of nowhere
Posts: 1,096
Talking Color Code Application

So here's a little one for your consideration:

I have a 24 VDC system, with blue wire for +24 VDC and white-with-blue-stripe for 0 VDC

I have a sourcing input tied to a momentary pushbutton.

Wire-A goes from the input to one side of the PB

Wire-B goes from the other side of the PB to 0 VDC

Now the question : what colors should A and B be?

It may be argued that the input is a "24VDC Source), and A should be blue. Since B is tied to 0VDC, it should be white-blue

It may also be argued that the switch is transmitting 0VDC to the input, so both wires should be white-blue.

Finally, since this is a DC input circuit, there is an arguement that both wires should be blue, and white-blue should be reserved for dedicated power connections.

This one has me stumped. Any ideas?

TM
  Reply With Quote
 
Jump to Live PLC Question and Answer Forum

Bookmarks


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Topics
Thread Thread Starter Forum Replies Last Post
Visual basic application with RSLogix 500 arup_basu LIVE PLC Questions And Answers 13 December 4th, 2012 01:37 PM
VFD , motor , PLC (start /stop/position application) Gautham LIVE PLC Questions And Answers 28 May 25th, 2006 04:29 PM
Panbuilder 1400e upload application won't open russrmartin LIVE PLC Questions And Answers 6 September 21st, 2004 03:14 PM
The PV 1400E shows me "Mismatched Application File" bundhit LIVE PLC Questions And Answers 2 June 21st, 2004 02:27 PM
rsview32 application error clive LIVE PLC Questions And Answers 5 April 27th, 2004 07:44 AM


All times are GMT -5. The time now is 10:33 PM.


.