Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual - Manual (Page 319)

Bit Shift Registers
Chapter 20
20-9
After you have entered the following conditions:
The file starts at word 400
Bit number 67 is for an off (0) condition
The instruction should look like Figure 20.7.
Figure 20.7
Examine Off Bit Shift Example Rung
EXAMINE OFF
FILE:
BIT NO. 067
070
00
400
SHIFT BIT
This condition instruction examines a user specified bit in a bit shift
register, such as shown in Figure 20.1 or Figure 20.4, for an On (1)
condition. The instruction can be used alone or in conjunction with other
input instructions to affect the rung decision.
Here are some characteristics of an Examine On Bit Shift instruction:
Programmed as an input instruction
Key sequence [Shift] [Reg] [1] [9]
Requires 3 words of your program.
Examine On Bit Shift