ControlLogix


Installing RSLogix 5000 v16.04

Problem Installing RSLogix 5000 v16.04 Installing RSLogix 5000 v16.04 is necessary to run the latest firmware for the 1756-L55 processor under windows XP. This version allows you to use Add-On Instructions for the L55 processor. If you are running Windows 7 or Windows 10, consider installing version 16.05. Several of Read More »

Install Options

ControlLogix Enhanced Select (ESEL)

Introduction to the ControlLogix Enhanced Select (ESEL) Instruction All things considered, the ControlLogix Enhanced Select (ESEL) simply selects between tags to choose the best suited value to use in logic. For example, if you have two process variables for a PID, you might select the lowest, highest, or average of Read More »

ESEL

How to use RLIM

Introduction to How to use RLIM The ControlLogix Rate Limiter (RLIM) slows the rate of change coming from a tag. Specifically, we usually use this for a set point. When an operator changes the setpoint on a PID instruction, there is an immediate change in the error. This change in Read More »

RLIM Logic

ControlLogix Moving Average (MAVE)

ControlLogix Moving Average (MAVE) The ControlLogix Moving Average (MAVE) allows you to smooth out a noisy process variable. In other words, if your signal is bouncing around, the MAVE instruction will smooth it out. For example, let’s consider a flow rate. Because of disturbances in the flow of a liquid, Read More »

mave config

ControlLogix Bit Field Distributor

Introduction to the ControlLogix Bit Field Distributor (BTD) The ControlLogix Bit Field Distributor (BTD) Allows us to map bits from one word to another. Particularly, when converting 32 bit data to 16 bit data, the BTD makes this very easy. In this case, we have a 32 bit input module. Read More »

BTD

PLC-5 to ControlLogix Conversion 3

Introduction to PLC-5 to ControlLogix Conversion RSLogix / Studio 5000 has a built in utility for PLC-5 to ControlLogix Conversion. Likewise, we can use the same procedure for converting an SLC-500 project. Because the PLC-5 is now obsolete, we will convert a PLC-5 project to use in a ControlLogix system. Read More »

PLC-5 Conversion

Clearing a Processor Fault

Introduction to Clearing a Processor Fault Clearing a processor fault is very easy, however, we need to first get a description of the fault. Basically, we know we have a recoverable processor fault on a ControlLogix when the OK Light is flashing red. On the other hand, a solid red Read More »

ProcessorFault

RSLinx Gateway

Introduction to RSLinx Gateway RSLinx Gateway is a version of RSLinx which allows you to access other types of networks. For exmple, you will have one computer that has a 1784-KTx or 1784-PKTx. This computer is connected to a Data Highway Plus network. This computer is also on the Ethernet Read More »

RSLinx RSWho

Yellow Question Mark in RSLinx

How to Resolve the yellow question mark in RSLinx In this post, we’ll discuss a method to resolve the yellow question mark in RSLinx. This is a common issue if you have an older version of RSLinx with newer hardware. You might also see this if you have a third Read More »

Question Mark

Connection Not Scheduled

Resolving Connection Not Scheduled error Anyone who has done work with Controlnet has gotten the “Connection Not Scheduled” error. Although this is easy to resolve, there are a few steps to schedule the connection. As long as you have RSNetworx for Controlnet software, we should be able to fix this Read More »