User Manual Owner's manual
Table Of Contents
- 1772-6.5.8, Mini-PLC-2/02, -2/16, -2/17 Processor, User Manual
- Important User Information
- Summary of Changes
- Table of Contents
- 1 - Using This Manual
- 2 - Fundamentals of a Programmable Controller
- 3 - Hardware Features
- 4 - Installing Your Programmable Controller
- 5 - Starting Your Processor
- 6 - Maintaining and Troubleshooting Your Processor
- 7 - Memory Organization
- 8 - Scan Theory
- 9 - Relay-Like Instructions
- 10 - Program Control Instructions
- 11 - Timers and Counters
- 12 - Data Manipulation and Compare Instructions
- 13 - Three-Digit Math Instructions
- 14 - EAF Math Instructions
- 15 - EAF Log, Trig, and FIFO Instructions
- 16 - EAF Process Control Instructions
- 17 - Jump Instructions and Subroutines
- 18 - Block Transfer
- 19 - Data Transfer Instructions
- 20 - Bit Shift Registers
- 21 - Sequencers
- 22 - Selectable Timer Interrupts
- 23 - Report Generation
- 24 - Program Editing
- 25 - Programming Techniques
- 26 - Program Troubleshooting
- A - Specifications
- B - Processor Comparison Chart
- C - Number Systems
- D - Glossary
- E - Quick Reference
- Index
- Back Cover

Bit Shift Registers
Chapter 20
20-8
Here are some characteristics of an Examine Off Bit Shift instruction:
Program as an input instruction
Key sequence [Shift] [Reg] [1] [8]
Requires 3 words of your program
Programming an Examine Off Bit Shift Instruction
To program an Examine Off Bit Shift:
The prompt SHIFT REGISTER 12 appears in the lower left hand corner of
the screen.
EXAMINE OFF
FILE:
BIT NO. 001
070
00
110
SHIFT BIT
18
A display represented by Figure 20.6 shows the format of an Examine Off
Bit Shift.
Figure 20.6
Examine
Off Bit Shift Format
EXAMINE OFF
FILE:
BIT NO. 001
110
SHIFT BIT
Numbers shown are default values. The number of default address digits initially displayed, 3, 4,
or 5 will depend on the size of the data table. Initially displayed default values are governed by the
I/O rack configuration.
This Value:
Stores This:
File Starting address of the file (file of bit shift instruction).
Bit number Decimal number of the bit to be examined (1999).