ABB RELION REX640 User Manual

4. Tap Save to USB.
The USB port of the LHMI is disabled by default. To be able to access
the USB actions page, the USB port needs to be enabled by the
parameter Enable USB access via Parameters> Configuration> HMI.
Save to USB is not activated until a USB memory is connected to the
USB port of the HMI.
The supported file systems for the USB memory are FAT, FAT32,
NTFS, EXT2, EXT3 and EXT4.
Figure 33: USB Actions page
4.18 Using local HMI help
There are two levels of help on the LHMI.
• Help for a specific page
• Help for a specific parameter on the Parameters page and for some specific
monitored data on the Monitoring page
• Access the LHMI help in one of the alternative ways.
-
Tap the button on the menu bar to access the page-specific help. This help
button is visible only when there is help available for a page.
-
Tap the button at the end of a parameter or monitored data row to access
parameter or monitored data specific help.
Using HMI
1MRS759118 D
52 REX640
Operation Manual

ABB RELION REX640 Specifications

General

Model	RELION REX640
Category	Protection Device
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Display	LCD
Rated Voltage	100-240 V AC/DC
Rated Frequency	50/60 Hz
Protection Functions	Overcurrent, Earth Fault, Overvoltage, Undervoltage, Frequency
Mounting	Rack mounting
Inputs/Outputs	Analog inputs
Housing	Metal
Input Voltage	24-250 V DC / 100-240 V AC
Operating Temperature	-25°C to +70°C
Enclosure	IP20