CG Drives & Automation 01-7318-01r1 Functional description 145
Rate Of Change Of Frequency [G95]
Shows the rate of change of grid frequency.
Mean Value Of Grid Voltage [G96]
Shows the 10-minute mean value of the grid voltage.
PLL status [G9A]
Shows the status of phase locked loops.
Unit: Hz/s
Resolution: 0.01 Hz/s
Unit: V
Resolution: 0.1V
Resolution: 16-bit Hex-number
Bit wise description:
Internal status bits of the grid
monitoring PLLs
Bit 0 (LSB): PLL Locked status
(1->locked)
Bit 1: Reserved for future use.
Bit 2: Reserved for future use.
Bit 3: Reserved for future use.
Bit 5-4: Phase sequence status
(1->Pos, 2->Neg)
Bit 7-6: Reserved for future use
Bit 15-8: Used for FRT status
(see FRT spec)
*Bit 9-8: UVRT status (1->active,
2-> recovery)
*Bit 11-10: OVRT status (1->active,
2-> recovery)
*Bit 13-12: AAID status (1->active)
*Bit 14: Open-circuit status
(1->active)
*Bit 15: OFRT status (1->active)
To Next Page
Loading...
Need help?
General