I now the flow of natural gas through an orifice will be the same on both sides with a little pressure differential. But if i have 900 PSIG at 4mmscfd measured upstream and the other side of the valve or orifice is attached to a pipe to atmosphere. Is the flow going to be higher on the pipe to...
I have an air compressure that is rated 35 scfm @ 175 psig. If i were to regulate it down to 20 psig how does this effect my scfm on the outlet of the regulator?
What would be the max scfm with the compressor being able to keep up?
Any Help would greatly be appreciated.
Merlin Knight
Can't find the answer. I want to put a netgear wireless 802.11 router in a nema 4 enclosure. But i need to put an external antenna.
Do i have to find a class 1 div. 2 wireless router?
Do i have to find a Class 1 Div. 2 External antenna, which i can't find so far?
Can i use a netgear with a...
I know that if you are given a DSL that has 1 ip addres available that you put a router on it and all the computers can reach the internet.
The problem is i have a allen brabley PLC, computer and a analyzer all on ethernet. My DSL has only 1 ip address.
How can i talk to each device from the...
I am in need of splitting 3 pc's and 4 PLC's from a network. They had hooked them up to a corporate network. NOT SECURE.
I can't shut down these systems and change ip addresses.They hook up through a switch before they go to a corporate networt.
What i want to do is put a firewall up in between...
I have rslinx pro running on one pc. On another pc i have a excel spreedsheet that i would like to get data from the plc 500 in the field.
I know that the cell in excel needs =application|topic!item
if i am on that pc . So if i am on the computer without rslinx on it would it be
=...
Hello,
I had the same problem. I found that dell has a laptop that has the rs232 port. I have the D800 series.
Also A/B makes a USB to DH485 interface converter. It has worked great on the computers we have that don't have the serial port.
Cat # 1747-UIC.
Hello CajunCenturion,
I am wanting to make a trend that will trend temperature. On the right side it will have the temp range that i am wanting to make changable . Also , i would like to have a changable time constant at the bottom to be able to spread out the readings.
Thank you,
Merlin Knight
Hello,
Does anyone know where i can get info or even better code for trending. I want to place a trend in my project for a variable but don't know where to start.
Thank You,
Merlin Knight
Hello Zeitghost,
Yes it is. Just trying to understand how they are doing things in it.
I believe that Johnwm is right though . It was probably converted from qbasic, not that i am complaining, still want to learn but i don't understand why this happened and there are other areas that do...
Hello,
I am looking at some codes stepping through them trying to learn more about VB and how it works. I am following this code which i have learned alot from but i don't understand this part.
Here is part of it:
For C = 1 To d: DA$(C) = "": Next
bypass2:
TK3PicType.List2.AddItem tempA$...
Hello,
I had to convert a tp-37 siemens touchscreen to a MP270B. Converting caused some problems with graphic and button size and text. Got that straight. The problem i am having know is the pop-up keypad does not stay in one place and it also likes to shrink. Does anyone know of a way to...
Hello,
I would like to work with a LCD Touchscreen for a design i am working on. Does anyone know a good site to get one or circuit design to try.
Thank You.
