Guest
2020-04-16T21:55:26Z
Welcome to the PLCMentor Forum! We are still building back content so we don't have a huge log of questions. We do have qualified Automation professionals visiting the site several times a day. Between them, they should be able to answer most questions posted.
davalos
2020-04-16T22:05:49Z
Thanks for the support. The bit shift lesson was very informative. I'm learning instructions as I come across them but I haden't crossed that one in our programs, I need exactly that to track parts on a index chain to a test station. I look forward to solving this issue now.

Thanks again Dave
Guest
2020-04-16T22:07:12Z
Thanks for taking the time to comment! As a rule of thumb, I usually try to limit my use of instructions to those that are more common than the bit shift instruction. The simpler the program the less experience the person maintaining the system has to have to successfully troubleshoot and maintain the system. I have come across some programs where it seemed that the programmer felt if there was an instruction available it should be used. That said I will add that your application sounds like the perfect case to use it.
Guest
2020-06-18T23:37:31Z
Users browsing this topic
RSLogix500 Introduction
RSLogix500 Inserting Instructions
RSLogix500 Opening a File
RSLogix500 Creating a Project
RSLogix500 Instruction Comments
RSLogix500 Rung Comments Page Titles
RSLogix500 Inserting Branches
RSLogix500 Program Organization, Part 1 - Overview
RSLogix500 Program Organization, Part 2 - Examples
RSLogix500 Using Symbols
RSLogix500 View Properties
RSLinx
RSLogix500 Online Offline
RSLogix500 Dowloading and Uploading
RSLogix500 Processor Modes
RSLogix500 Processor and Cards
RSLogix500 Introduction to Faults
RSLogix500 Indirect Addressing
RSLogix500 Indirect Addressing Faults
RSLogix500 Handling Faults
RSLogix500 Forcing I/O
RSLogix500  Custom Data Monitor
RSLogix500 I/O Configuration
RSLogix500 Advanced Diagnostics
RSLogix500 Instructions OTL OTU, Part 1
RSLogix500 Instructions OTL OTU, Part 2
RSLogix500 Instructions OTL OTU, Part 3
RSLogix500 Instructions, OTE
RSLogix500 Instructions, XIC XIO
RSLogix500 Instructions, ADD
RSLogix500 Instructions, COP
RSLogix500 Instructions, CPT - Part 2
RSLogix500 Instructions, CTU CTD - Part 1
RSLogix500 Instructions, CTU CTD - Part 2
RSLogix500 Instructions, CTU CTD - Part 3
RSLogix500 Instructions, CPT - Part 1
RSLogix500 - Comparison - Part1
RSLogix500 - Comparison - Part 2
RSLogix500 Instructions, DIV
RSLogix500 - FIFO - FFL and FFU - Part 1
RSLogix500 - FIFO - FFL and FFU - Part 2
RSLogix500 Instructions, FLL
RSLogix500 Instructions, JMP and LBL
RSLogix500 Instructions, Masking and MEQ
RSLogix500 Instructions, MUL
RSLogix500 Instructions, MOV
RSLogix500 Instructions, LIM
RSLogix500 Instructions, NEG
RSLogix500 Instructions, OSR
RSLogix500 Instructions, RTO
RSLogix500 Instructions, SQO sequencer - Part 1 of 3
RSLogix500 Instructions, SQO sequencer - Part 2 of 3
RSLogix500 Instructions, SQO sequencer - Part 3 of 3
RSLogix500 Instructions, SUB
RSLogix500 Instructions, TOF
RSLogix500 Instructions, JSR and RET
RSLogix500 Shift registers
RSLogix500 Instructions, SQR
RSLogix500 Instructions, TON - Part 1
RSLogix500 Instructions, TON - Part 2
RSLogix500 Instructions, TON - Part 3
Introduction to Ladder Logic