Module Data Types 1794-IA8

The table below lists and describes the module-defined data types for the 1794-IA8 Digital Input module. It includes information for input (as indicated by an "I") and configuration (as indicated by a "C").
Tip:
FLEX I/O is based on 16-bit INTs and not 32-bit DINTs. Using 16-bit INTs in instructions that are optimized for 32-bit DINTs may decrease performance with certain instructions.
Module-defined Data Type: AB:1794_DI_8:I:0
This module-defined data type does not apply to modules having Rack Optimization selected for the Comm Format and does not appear among the Module Tags in the RSLogix software.
 
Member Name
 
Type
Default
Display Style
 
Description
Fault
DINT
Binary
Fault - Used for Input Data Validation
0 = Valid Data
1 = Invalid Data - if the connection to the module has been lost, or if the module has a severe hardware fault, the lower 8 bits are set to 1.
Data
SINT
Binary
Input Data - Input data for the module.
Module-defined Data Type: AB:1794_DI_Delay8:C:0
 
Member Name
 
Type
Default
Display Style
 
Description
Config
INT
Binary
Configuration data.
DelayTime_0
BOOL
Decimal
Indicates the delay time for the module.
DelayTime_1
BOOL
Decimal
Indicates the delay time for the module.
DelayTime_2
BOOL
Decimal
Indicates the delay time for the module.
Input Delay Time
(Points 7-0)
DelayTime_0, _1, _2
Off->On Values
On->Off Values
2
1
0
0
0
0
8.6
26.6
1
0
0
9
27
0
1
0
10
28
1
1
0
12
30
0
0
1
17
35
1
0
1
26
44
0
1
1
43
61
1
1
1
78
96
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