Allen-Bradley MicroLogix 1000 User Manual

Using Data Handling Instructions
9–17
Operation
When the rung containing this instruction is true, data at the source address passes
through the mask to the destination address. See the following figure.
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
B3:2 before move
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
source B3:0
1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0
Mask F0F0
0 1 0 1 1 1 1 1 0 1 0 1 1 1 1 1
B3:2 after move
MVM
MASKED MOVE
Source B3:0
Mask F0F0
Dest B3:2
Mask data by setting bits in the mask to zero; pass data by setting bits in the mask to
one. The mask can be a constant value, or you can vary the mask by assigning a
direct address. Bits in the destination that corr
espond to zer os in the mask ar e not
altered.
Programming
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Allen-Bradley MicroLogix 1000 Specifications

General

Communication Ports	RS-232
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Manufacturer	Allen-Bradley
Category	Controller
Series	MicroLogix
Programming Language	Ladder Logic
Input Voltage	24V DC or 120/240V AC
I/O Points	10 to 32 points
Processor Type	8-bit
Operating Temperature	0…55 °C (32…131 °F)
Processor	8-bit