Advantech HMI-640S - Manual (Page 37)

Chapter 3 Maintenance 2 7
3.5 I/O Adapter (CPC-2900)
To replace or service the I/O adapter, follow these steps:
1. Verify that the power source to the HMI-640S has been disconnect-
ed.
2. Remove the rear cover. (See Section 3.1.)
3. Remove the screw which attaches the I/O adapter to the Carrier
Board.
4. Replace the I/O adapter and reassemble the HMI-640S.