How many I/O bus inputs?

Lynxmotion Electronics & Software
1

can i change any of the pins on the I/O bus to an input with the exception of pin 9?
what pins can i plug sensors into?

Bot Board2 & Atom Pro28.

EDIT:

2

The ABB II specs say 16 Digital I/O’s and 4 Analog.

check it out here…lynxmotion.com/images/html/build151.htm