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3.5 P I/O Input/output
3.5.1 P I/O Input
A total of 8 (DI0 to DI7) photo-coupler input buffers (PC) are provided as external hardware signal inputs. To
obtain needed bit information, DI1 to DI7 are specified by 2 parameters.
Selectable DI signals are assigned to DI_EX1 to DI_EX4 bits shown on the following pages. Specify data
number and bit number as a set data.
$DIn_IX (n: 1 to 7)
= Data number that the required bit belongs to
$DIn_BN (n: 1 to 7)
= Specifies the bit position within the data with number
Here, safety switch signal “UVS” is assigned to DIO.
An X mark in the table indicates that this equipment does not use the signal.
Table 3.5.1 DI Input Setting
Assigned bit selection
Channel
Number
Data selection 1 to 3
Select data number
that contains needed
bit signal
Bit selection 0 to 15
Select the needed
bit position with
number
Supply power
Remarks
DI0
Usage fixed (UVS)
DI1 $DI1_IX $DI1_BN
Power selection
from INT/EXT
DI2 $DI2_IX $DI2_BN
DI3 $DI3_IX $DI3_BN
DI4 $DI4_IX $DI4_BN
DI5 $DI5_IX $DI5_BN
DI6 $DI6_IX $DI6_BN
DI7 $DI7_IX $DI7_BN
Internal power
Set to “2S” for fixed usage
in the setting value change
mode.
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