GE M60

2-26 M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
SPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION
2
Pickup delay: 0 to 60000 (ms, sec., min.) in steps of 1
Dropout delay: 0 to 60000 (ms, sec., min.) in steps of 1
FLEXCURVES™
Number: 4 (A through D)
Reset points: 40 (0 through 1 of pickup)
Operate points: 80 (1 through 20 of pickup)
Time delay: 0 to 65535 ms in steps of 1
FLEX STATES
Number: up to 256 logical variables grouped under 16 Modbus addresses
Programmability: any logical variable, contact, or virtual input
FLEXELEMENTS™
Number of elements: 16
Operating signal: any analog actual value, or two values in differential mode
Operating signal mode: signed or absolute value
Operating mode: level, delta
Comparator direction: over, under
Pickup Level: –90.000 to 90.000 pu in steps of 0.001
Hysteresis: 0.1 to 50.0% in steps of 0.1
Delta dt: 20 ms to 60 days
Pickup and dropout delay: 0.000 to 65.535 s in steps of 0.001
NON-VOLATILE LATCHES
Type: set-dominant or reset-dominant
Number: 16 (individually programmed)
Output: stored in non-volatile memory
Execution sequence: as input prior to protection, control, and FlexLogic
USER-PROGRAMMABLE LEDs (Enhanced and standard front panels)
Number: 48 plus trip and alarm
Programmability: from any logical variable, contact, or virtual input
Reset mode: self-reset or latched
LED TEST
Initiation: from any contact input or user-programmable condition
Number of tests: 3, interruptible at any time
Duration of full test: approximately 3 minutes
Test sequence 1: all LEDs on
Test sequence 2: all LEDs off, one LED at a time on for 1 s
Test sequence 3: all LEDs on, one LED at a time off for 1 s
USER-DEFINABLE DISPLAYS (Enhanced and standard front panels)
Number of displays: 16
Lines of display: 2 × 20 alphanumeric characters
Parameters: up to 5, any Modbus register addresses
Invoking and scrolling: keypad, or any user-programmable condition, including pushbuttons
CONTROL PUSHBUTTONS (Enhanced and standard front panels)
Number of pushbuttons: 7
Operation: drive FlexLogic operands
USER-PROGRAMMABLE PUSHBUTTONS (Optional)
Number of pushbuttons: 12 on standard front panel
16 on enhanced horizontal front panel
6 on enhanced vertical front panel
16 on graphical front panel (8 physical pushbuttons, 8 graphical interface pushbuttons)
Mode: self-reset, latched