Mitsubishi AL2 Series User Manual

α2 Simple Application Controllers
Function Blocks 6
6 - 7
6.3 Boolean block
The function block creates a logical operation using Boolean algebra consisting of AND, OR,
NAND, XOR and NOT gates. It is possible to express the Logic functions in the form of an
equation. Refer to Chapter 5 for detailed information concerning Boolean Logic operation.
Table 6.3: Boolean Function Block
Table 6.3.1: Boolean expressional data
1 ) Boolean Operation
Function Set Item Description
1,2,3,4 Numbered Input pins for boolean operation to control
FB User-defined logical boolean operation
Output
The output is controlled directly from the result of the boolean
operation involving the numbered input pins 1,2,3,4.
Item Display Description
AND ∗ Intersection
OR + Disjunction
XOR ^ XOR
NOT ! NOT
( ( Left parenthesis
) ) Right parenthesis
1 1 Signal connected to Input pin 1
2 2 Signal connected to Input pin 2
3 3 Signal connected to Input pin 3
4 4 Signal connected to Input pin 4
O O Output signal
= = Equal sign signal
0001
LB
O2
3
4
P
01
BL
Output
1
2
3
12
3
O = 1
2 + 3
AND OR
*

Mitsubishi AL2 Series Specifications

General

Model	AL2 Series
Digital Inputs	Yes
Digital Outputs	Yes
Type	PLC
Manufacturer	Mitsubishi
Input Voltage	100 to 240 VAC or 24 VDC (depending on model)
Output Voltage	24V DC
Number of Inputs	8 to 64 (depending on model)
Number of Outputs	6 to 64 (depending on model)
Programming Language	Ladder Diagram
Communication Ports	RS-232, RS-485, Ethernet (depending on model)
Operating Temperature	0 to +55°C
Storage Temperature	-20°C to 70°C
Humidity	10% to 90% (non-condensing)
Weight	Varies depending on the model