4-297 Detailed explanation of Robot Status Variable
4MELFA-BASIC IV
M_Uar32
[Function]
Returns whether contained in the user-defined area.
Bits 0 to 31 correspond to areas 1 to 32, with the respective bits displaying the information below.
1: Within user-defined area
2: Outside user-defined area
[Format]
[Terminology]
<Numeric Variable> Specifies the numerical variable to assign.
<Mechanism Number> Enter the mechanism number from 1 to 3. If the argument is omitted, 1 is set
as the default value.
[Reference Program]
1 Def Long M1
2 M1& = M_Uar32(1) AND &H00080000 'The result for area 20 only is assigned to M1.
3 If M1&<>0 Then M_Out(10)=1 'Output signal 10 turns ON if contained in area 20.
[Explanation]
(1) Refer to, Page 367, "5.8 About user-defined area" for details on how to use a user-defined area.
(2) An error will occur if a 16-bit integer type is used for the <Numeric Variable> and the value is over. If so, use
a 32-bit integer type.
(3) The area in which 1 (signal output) is specified for parameter AREAnAT (n is the area no. (n = 1 to 32)) is
applicable.
(4) When performing a comparison operation or logic operation, a negative value results in decimal notation if bit
31 is 1, and therefore it is recommended that hexadecimal notation be used.
(5) This variable only reads the data.
[Related System Variables]
M_Uar
[M_Uar32 and User-defined Area Compatibility]
Example) If contained in user-defined area 5 and 10, this will be the combined value of &H00000010, the value
indicating area 5, and H00000400, the value indicating area 10, however, this will be returned as an
M_Uar32 value.
Example) <Numeric Variable>
= M_Uar32 [(<Mechanism Number>)]
Bit Area
Decimal
Value
Hexadecimal Value Bit Area Decimal Value
Hexadecimal
Value
0 1 1 &H00000001 16 17 65536 &H00010000
1 2 2 &H00000002 17 18 131072 &H00020000
2 3 4 &H00000004 18 19 262144 &H00040000
3 4 8 &H00000008 19 20 524288 &H00080000
4 5 16 &H00000010 20 21 1048576 &H00100000
5 6 32 &H00000020 21 22 2097152 &H00200000
6 7 64 &H00000040 22 23 4194304 &H00400000
7 8 128 &H00000080 23 24 8388608 &H00800000
8 9 256 &H00000100 24 25 16777216 &H01000000
9 10 512 &H00000200 25 26 33554432 &H02000000
10 11 1024 &H00000400 26 27 67108864 &H04000000
11 12 2048 &H00000800 27 28 134217728 &H08000000
12 13 4096 &H00001000 28 29 268435456 &H10000000
13 14 8192 &H00002000 29 30 536870912 &H20000000
14 15 16384 &H00004000 30 31 1073741824 &H40000000
15 16 32768 &H00008000 31 32 -2147483648 &H80000000
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