Delta AH500 Manual page 767

(1) Before the network time update is set, select "Enable NTP Client Service" and then set
relevant parameters on the lower part of the following page.
Error handling: Set the mechanism for handling errors in AHRTU-ETHN-5A through the software.

When an error occurs in I/O modules, you can select or not select "Trigger CPU bus
fault when RTU I/O fault".

When the connection with the CPU fails, you can select "Stop" or "Hold State" for I/O
modules.

When the slave is disconnected, you can select or not select "Trigger CPU bus fault
when RTU is disconnected."
Chapter 16 Remote I/O Module AHRTU-ETHN-5A
16-17