
U90 Ladder Software Manual
30
The number that represents the I/O’s location is equal to: 32 + x • 16 + y
Example
Input #3, located on expansion module #2 in the system, will be addressed as I 67,
67 = 32 + 2 • 16 + 3
Output #4, located on expansion module #3 in the system, will be addressed as O 84,
84 = 32 + 3 • 16 + 4.
EX90-DI8-RO8 is a stand-alone I/O module. Even if it is the only module in the
configuration, the EX90-DI8-RO8 is always assigned the number 7. Its I/Os are addressed
accordingly.
Example
Input #5, located on an EX90-DI8-RO8 connected to an M90 OPLC will be addressed
as I 149, 149 = 32 + 7 • 16 + 5
Configuring an Analog Input
M90
To attach an Analog Input to an MI:
1. Click Hardware Configuration on the Standard toolbar.
2. The M90 Hardware Configuration window opens.
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