Mitsubishi Electric MELSEC iQ-F Series Training Manual page 93

Binary (BIN)
• A binary value consists of two symbols, 0 and 1, which represent the order and size (amount). After a digit reaches 1, an
increment resets it to 0, causing an increment of the next digit to the left. One digit of 0 or 1 is called a bit.
Binary
0
1
10
11
100
101
110
111
1000

• The following example describes how to convert a binary value into a decimal value.
"10011101"
The following figure shows the binary value with bit numbers and binary bit weights.
The binary value is broken as follows.
= 1 × 128 + 0 × 64 + 0 × 32 + 1 × 16 + 1 × 8 + 1 × 4 + 0 × 2 + 1 × 1
= 128 + 16 + 8 + 4 + 1
= 157
A binary value can be converted into a decimal value by the addition of the weight of each bit whose code is 1.
5 BASIC INSTRUCTIONS -PART 2-
5 - 2
5.1 Notation of Values (Data)
Decimal
0
1
2
3
4
5
6
7
8

7 6 5 4
1 0 0 1
2 2 2 2
7 6 5 4
128 64 32 16
3 2 1 0 ← Bit number
1 1 0 1 ← Binary
← (Bit number)
2 2 2 2
3 2 1 0
← ("Binary")
8 4 2 1
Bit weight