Delta AH500 Manual page 570

AH 5 00 Mo d u le Ma n ua l
18. Click "Parameters" item on the left-side window and then set the slave parameters as shown
on the following three interfaces.
Pick "Common" in the following box marked in red and then double click "Hold I/O data" in
order to set the handling of receiving the master data after AH10PFBS-5A is offline.
Name
Loss comm with
master
1 2 - 3 4
Setting
After AH10PFBS-5A is disconnected from the master,
Hold I/O data the data that the slave receives from the master will
remain the same as they were before disconnection.
After AH10PFBS-5A is disconnected from the master,
Clear I/O data the data that the slave receives from the master will be
cleared to 0.
Explanation