ABB ACH550 Quick Start Manual page 4

Step 6: On the back plane of the board and plastic housing push the 4 tabs that hold the board in place away from the
control board (SMIO-01). Lift board and slide it out of the plastic cover of board enclosure.
Step 7: Remove small ribbon cable connector from control board (SMIO-01). You keep the existing ribbon cable with 40
pin connector in place.
Step 8: Mount the 64652745 (OPEX-01 Interface Board) onto the control board (SMIO-01). The 64738852 – Connection
Cable connects to the 8-pin connection on the 64652745 (OPEX-01 Interface Board) and the RJ45 connector of the
64738852 connects to the removed control panel (SMIO-01) through the cutout on the 64652745 (OPEX-01 Interface
Board).
LVD-EOTKN094U-EN REV A
Effective: 2022-06-30 4