Chris Elston

This is an example of a spreadsheet using DDE to get data from a SLC500. We used RS LINX Single Node and a computer to read data from a SLC500. The spread sheet has alot of extra Visual Basic Scripting to handled file name & renaming. For example w

V6.10 R-J3iB LR Handling Tool Operator Manual for LR Mate Robot

I posted this whitepaper to support the new Computer Help and Networking forum on MrPLC.com. I wrote this document a long time ago about three or four years ago to help people make their own choices on how to upgrade their computers. I suppose that some of the information is OUTDATED but here you will learn allot about computer hardware by reading through this document.
As a Controls Engineer you'll find yourself more and more required to understand computer hardware and most defiantly understand networking. Networking knowledge is a MUST in the Controls Engineering field now-a-days. Enjoy this whitepaper.

This is a program example of an Automation Direct DL-205 with a 250-1 CPU. Examples in the ladder logic contain analog input cards that measure voltage. Included is a PDF print out of the program for those of you who do not have DirectSoft 32. This appli

This zip file contains TONS of example programs for Cognex EIP.
There are three ways to do EIP with Cognex.
1. Implicit
2. Explicit
3. PCCC
Contain in this zip are ladder examples for both SLC and Control Logix.
Generall

This is document PDF found in the Cognex Support site to help configure EIP with Congex.
In-Sight to PLC Communications Using EIP
1.1 Purpose
The purpose of this document is to aid in the configuration of various Programmable Logic

I’ve been asked many times enough through e-mails forum questions on how to use a bit shift. I use bit shifts in just about every program I write for an automated machine company. Bits shifts are used in anything from an index table to a machine that h

Here is a short video clip of the Emerson FM-3 servo unit.

Tech doc I got from an inside support guy from GE Fanuc. Helpful work around guide for getting CME working if you upgraded to service pack 2. Hopefully you haven't until everyone patches all their software.

DISCLAIMER:
What you are about to see is our own testing.
It's not a video to be used as a guide our test
results will not be POSTED. You are expected
to run and prove your own safety testing on
any automation products you develop...

DISCLAIMER:
What you are about to see is our own testing.
It's not a video to be used as a guide our test
results will not be POSTED. You are expected
to run and prove your own safety testing on
any automation products you develop...

This wasn’t a normal “job” per say but more like helping our machinist staff from babysitting the Japax Wire EDM machine. For those of you that don’t know a wire EDM can take a long time to make cuts in a part sometimes. There was a part that we made t

This zip file contains a complete Allen Bradley PLC file and Panel View application of a mold machine and automation intergration.

Word Document that explains step-by-step how to upgrade your LR Mate Japan operating system with a USA version operating system.
Did you know that if you order a LR Mate robot with software options that you should upgrade your software in your rob

Windows Media Player AVI clip of my desktop to walk you through how to change to a Micrologix 1500 configured as RS-232 to DH-485.
This tutorial clip assumes that you have a default PLC out of the box configured as RS-232 and RS Linx is communicat

Windows Media Player AVI clip of my desktop to walk you through how to convert an LM90 program to a VersaPro program.
There are several other consideration to consider. I'll cover these topics later in an article. But in the mean time you can

Windows Media Player AVI clip of my desktop to walk you through how to connect to a Micrologix 1500 configured as DH-485. AVI clip shows configuration of RS Linx first then using the "Comms" - "System Comms" method of connecting to t

This is a PDF sheet that explains all the tag formatting required to program a Maple System HMI with an Allen Bradley PLC.

Here is a recent Fanuc robot program I did with LR Handling tool (teach pendant programming). This program contains several sub programs that do various tasks.
Pick up the part
Do a vision routine
if pass palletize
if fail reject part

V024-E1-2 NT612G Touchscreen Operation Manual

Manual for NTM Series Direct Connection

CX-Programmer Ver.3 Introduction Guide R104-E1-01. Quick start for beginning a project in CX-Programmer. Could also be useful for earlier versions of CX Programmer.
Same as this download:
http://forum.mrplc.com/index.php?&act=Download

Demo Version. Connect Palm Pilot PDAs to Omron PLCs via Hostlink Serial connections to read/write data and troubleshoot the PLC. Connect to any Omron Hostlink Serial protocol compatible device. Read/write DM HR TC PV and LR memory types in 16 or 32 b

I am pleased to post you my little program able to write/read single parameter or a determinated goup of parameters. I also implemented a "disgnostic" of the inverter able to give the "Fault description" code. In my applications I

Diagram of SPxx internal circuit for RS232 interface and description of interface cable to connect PC and SPxx.