Communication Alarms and Trips
Introduction
Communication alarms and trips are managed in a standard way, like any other types of alarms and trips.
The presence of a trip is signaled by various indicators:
-
State of the communication LED on LTMT main unit
-
Alarm
-
Message(s) displayed on LTMTCUF control operator unit
Network Communication Loss
A communication loss is managed like any other trip. For more information, refer to TeSys Tera Motor Management System User Guide – DOCA0257EN.
HMI Communication Loss
HMI Communication loss Function:
-
Detects the loss of communication between the LTMT main unit and the HMI connected via the HMI port, once communication has been established.
-
Generates an alarm or a trip action according to the function setting.
Parameter Setting
| Parameter | Range | Default Value |
| Function |
|
Disable |
| Time delay | 0.1 – 6000.0 s in ste of 0.1s | 1 s |
| Reset mode |
|
Reset Key + DI
@Updated D3
|
| Auto Rest delay | 0.0 – 6000.0 s in step of 0.1 s | 0.0 s |