CS5480 datasheet(51/70 Pages) CIRRUS

51 / 70 page

CS5480

DS980F3

6.6.25 System Gain (SysGAIN) – Page 16, Address 60

Default = 0x50 0000 (1.25)

System Gain (SysGAIN) is applied to all channels.

By default, SysGAIN = 1.25, but can be finely adjusted to compensate for voltage reference error. It is a two's

complement value in the range of -2.0

value2.0, with the binary point to the right of the second MSB. Values

should be kept within 5% of 1.25.

6.6.26 Rogowski Coil Integrator Gain (IntGAIN) – Page 18, Address 43

Default = 0x14 3958

Gain for the Rogowski coil integrator. This must be programmed accordingly for 50Hz and 60Hz (0.158 for

50Hz, 0.1875 for 60Hz).

This is a two's complement value in the range of -1.0

value1.0, with the binary point to the right of the MSB.

Negative values are not used.

6.6.27 System Time (Time) – Page 16, Address 61

Default = 0x00 0000

System Time (Time) is measured in OWR samples.

This is an unsigned integer in the range of 0 to 16,777,215 samples. At OWR = 4.0kHz, OWR will overflow

every 1 hour, 9 minutes, and 54 seconds. Time can be used by the application to manage real-time events.

6.6.28 Voltage 1 Sag Duration (V1SagDUR) – Page 17, Address 0

Default = 0x00 0000

Voltage 1 Sag Duration, V1SagDUR, determines the count of OWR samples utilized to determine a sag event.

These are integers in the range of 0 to 8,388,607 samples. A value of zero disables the feature.

MSB

LSB

-(21)20

2-1

2-2

2-3

2-4

2-5

2-6

.....

2-16

2-17

2-18

2-19

2-20

2-21

2-22

MSB

LSB

-(20)2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

MSB

LSB

223

222

221

220

219

218

217

216

.....

MSB

LSB

222

221

220

219

218

217

216

.....

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