The protection relay supports the use of a front port (USB port) for device configuration and powering up the relay.
Note: Use an USB cable of up to 2 m length only.
USB communication over the USB port is disabled by default. The Enable USB parameter must be set to "True" via to enable the USB communication. The authorization for USB communication can be enabled by setting the Remote Override parameter to "False" via .
Note: If USB connection to relay is not detecting in the PC, disable it in LHMI and then enable again.
Note: If USB connection to relay is detected, but communication via USB to PC is still not working, go to Device Manager of the PC and ensure that no other USB devices than REX610 are connected.
Note: When the device is powered by the USB port, protection functions are disabled.
Note: Device can powered by USB even when the configuration parameter Enable USB is set to "False".
Note: When Remote Override is set to "False", the user is asked to enter username and password on the LHMI when connecting to the relay’s front USB port.
|
Parameter |
Option |
Default |
Description |
|---|---|---|---|
|
Configuration/ Authorization/Passwords/Remote Override |
True / False |
TRUE |
Disable authority |
|
Configuration/System/Enable USB |
True / False |
FALSE |
Enable or Disable Communication |