Bsl - Bit Shift Left - Allen-Bradley MicroLogix 1400 Instruction Manual

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272 File Instructions
FLL Instruction Valid Addressing Modes and File Types
For definitions of the terms used in this table see Using the Instruction Descriptions on page 92.
Parameter
Source • • •
Destination • • •
Length
(1) See Important note about indirect addressing.

BSL - Bit Shift Left

BSL BSL
Bit Shift Left
File #B3:1
Control R6:0
Bit Address B32:0/0
Length 1<
Publication 1766-RM001A-EN-P - October 2008
The source and destination operands must be of the same file type, unless
TIP
they are bit (B) and integer (N).
Addressing Modes and File Types can be used as shown in the following
table:
Data Files
• • • • •
• • • • •
You cannot use indirect addressing with: S, MG, PD, RTC, HSC, PTOX,
IMPORTANT
PWMX, STI, EII, BHI, MMI, CS, IOS, and DLS files.
Instruction Type: output
EN
Execution Time for the BSL Instruction
DN
Controller
MicroLogix 1400
The BSL instruction loads data into a bit array on a false-to-true rung
transition, one bit at a time. The data is shifted left through the array, then
unloaded, one bit at a time. The following figure shows the operation of
the BSL instruction.
Function Files
When Rung Is:
True False
6.1018 µs 5.8258 µs
Address
Address Level
(1)
Mode
• • • • • •
• • •
•