User guide

Using Basic Instructions
6–3
Bit Instructions Overview
These instructions operate on a single bit of data. During operation, the controller
may set or reset the bit, based on the logical continuity of ladder rungs. Y
ou can
address a bit as many times as your program requires.
Note Using the same addr ess with multiple output instructions is not r ecommended.
Bit instructions are used with the following data files:
• Output and input data files. These represent external outputs and inputs.
• The status data file (file 2).
• The bit data file (B3:). These are the internal coils used in your program.
• Timer, counter, and control data files (T4:, C5:, and R6:). These instructions
use various control bits.
• The integer data file (N7:). Use these addresses (at the bit level) as your
program requires.
Programming