EVOC PCL-726, Manual

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Programming
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3.3 Digital I/O Register
There are 16 digital input channels and 16 digital output channels provided
by PCL-726. These I/O channels use the address Base + 12 and Base + 13
for output channels, and the address Base + 14 and Base + 15 for input
channels. The data format is shown as follows:
Data Format :
Digital I/O : (Base + 12, Base + 13, Base + 14, and Base + 15)
Bit 7 6 5 4 3 2 1 0
Base + 12
( Write,
Output ) DO15 DO14 DO13 DO12 DO11 DO10 DO9 DO8
Base + 13
( Write,
Output ) DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0
Base + 14
( Read,
Input ) DI15 DI14 DI13 DI12 DI11 DI10 DI9 DI8
Base + 15
( Read,
Input ) DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0
Table 4.5