CFG_DiStatusChangeEnabledChannel specfiy which DI channel can trigger interrupt when it's status changed.
| Type | DiEnableChannel[] |
| Length | one element for one port, according hardware |
| Access type | Read/Write |
| Value | DiEnableChannel has two element:
port - specify DI port; status - one bit for one channel, the relative bit equals 1 means enabled, otherwise disable |