Chapter 3 Programming
3 – 11
3.3.5 I/O address
I/O addresses and variable names can be linked in two different ways: Global variable or Local variable as below.
[Global variable]
Double click on plugged I/O module or right click and choose “Edit Object”.
I/O-Bus Mapping window appears as below. Due to Motorola type byte order of SH-2 processor, IEC address of 16-bit
data starts from 1.0 and ends to 0.7 as follows. Since the bit number shown at “Channel” corresponds to actual signal
number, put variable names according to the bit number.
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