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3. External Connection
Relationships between Logical Ports/Bits and Connector Signal
Pins
The following table lists the relationships between the connector signal pins and the logical port / bit
numbers.
Table 3.1. Logical Ports, Logical Bits, and Connector Signal Pins
Input logical port 0
Input logical port 1
Input logical port 2
Input logical port 3
O-47
Output logical port 0
Output logical port 1
O-67
Output logical port 2
O-77
Output logical port 3
Notes : I-xx represents the input signal. O-xx represents the output signal.
[xx] represents the logical bit.
CAUTION
The logical port and logical bit numbers are virtual port and bit numbers that enable programming
independent of unit I/O addresses or unit types.
28
D7
D6
D5
I-07
I-06
I-05
[7]
[6]
[5]
I-17
I-16
I-15
[15]
[14]
[13]
I-27
I-26
I-25
[23]
[22]
[21]
I-37
I-36
I-35
[31]
[30]
[29]
D7
D6
D5
O-46
O-45
[7]
[6]
[5]
O-57
O-56
O-55
[15]
[14]
[13]
O-66
O-65
[23]
[22]
[21]
O-76
O-75
[31]
[30]
[29]
D4
D3
D2
I-04
I-03
I-02
[4]
[3]
[2]
I-14
I-13
I-12
[12]
[11]
[10]
I-24
I-23
I-22
[20]
[19]
[18]
I-34
I-33
I-32
[28]
[27]
[26]
D4
D3
D2
O-44
O-43
O-42
[4]
[3]
[2]
O-54
O-53
O-52
[12]
[11]
[10]
O-64
O-63
O-62
[20]
[19]
[18]
O-74
O-73
O-72
[28]
[27]
[26]
D1
D0
I-01
I-00
[1]
[0]
I-11
I-10
[9]
[8]
I-21
I-20
[17]
[16]
I-31
I-30
[25]
[24]
D1
D0
O-41
O-40
[1]
[0]
O-51
O-50
[9]
[8]
O-61
O-60
[17]
[16]
O -71
O-70
[25]
[24]
DIO-3232LX-USB
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