PLC-5 Latch Vs Seal There are a few differences in the PLC-5 Latch Vs Seal. In this section, I’ll explain the operating of each type, and some dangers associated with both methods. Always be very careful when making any changes to the PLC program. Undoubtedly, you will want to get Read More »
Introduction to PLC-5 Counters PLC-5 Counters count rung transitions. More specifically, the counters count the false to true transition. In the PLC-5, there are two types of counters: The Up Counter (CTU), and the Down Counter (CTD). While you won’t always see a CTD, it’s almost always associated with a Read More »
Introduction to PLC-5 Timers There are three types of PLC-5 Timers that we will cover in this section: TON, TOF, and RTO. Generally, the TON (Timer On Delay) instruction delays the DN (Done) bit from going true. On the other hand, the TOF (Off Delay Timer) delays the DN bit Read More »
Introduction to PLC-5 Addressing PLC-5 Addressing is based on a 1970’s I/O Structure. To begin with, all of the I/O is in the OCTAL numbering system. In other words, there are no 8’s or 9’s anywhere in the PLC-5 I/O. To emphasize, timer files, as well as other types of Read More »
Introduction to Delaying an Output On and Off Today, we’ll discuss delaying an output on and off. In this case, I have a heater in the office, and a blower (fan). When the heater energizes, the blower (fan) will start after 2 minutes. This allows the heater time to warm Read More »
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 »
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 »
Introduction to RSNetworx for DeviceNet We use RSNetworx for DeviceNet to map field devices into a memory location in the processor. Each device on the network has a node number and an image size (amount of data). Therefore, we must configure where this data will appear in the Controller Tag Read More »
Introduction to Rockwell Icom AI5 Software We used Rockwell Icom AI5 Software to program and troubleshoot the PLC-5 processor before RSLogix 5 came along. As a nostalgic post, I wanted to go back and review this legacy software. Those proficient with AI software claim they could navigate the software much Read More »
Introduction to Studio 5000 (RSLogix) Training When looking for Studio 5000 (RSLogix) Training options, it’s important to find a company that will customize the course. You need a company who will adjust the course according to your training needs. At the same time, the instructor should have knowledge of the Read More »
