1MRS 751107-MUM
Protection Relay
Operator’s Manual
REX 521
9
3. Instructions
3.1.
HMI features
• Push-buttons for navigating, [C] Clear/Cancel and [E] Enter
• Language selection
• Setting values are protected by passwords
• Display backlight
• Display contrast
• Display test
• Selection of primary values
• Optically isolated serial communication port
• Three LED indicators
• Eight programmable alarm LEDs
Содержание REX 521
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