Hitachi HIDIC EH-150 Applications Manual page 17

(4) Set the bus parameter
In the menu Set-up/Bus parameter the window shows the actual bus parameters.
Changing the baud rate has the consequence, that all other parameters will be re-calculated,
The Highest Station Address is the highest bus address up to which the master will search for other master.
This should not be set below the master address.
Auto_Clear Mode ON, the DP Master leaves the user data transfer and switches the outputs of all assigned DP-slaves to the
fail-safe state.
Fig. 3.6 Bus parameter
Chapter 3 CONFIGURATIONS
3-6