Communication interface
Modubus
Type 1
I/O unit A20B-2000-0730
Type 2
main board A20B-2000-0730
Type 3
control board A20B-2000-0730
Type 4
ac servo motor driver A20B-2000-0730
Type 5
AC motor driver A20B-2000-0730
Type 6
motor driver A20B-2000-0730
Type 7
dc motor driver A20B-2000-0730
Type 8
stepper motor driver A20B-2000-0730
condition
original and new A20B-2000-0730