Nortek Signature Series User Manual

Integrator's Guide52
© 2017 Nortek AS
Field
Size
Format
Resolution/
Unit
Description
Number of Echo Sounder Cells
Data Set
Description
16 bits
Bits
Description
0-3
Physical beam used for 1st data set.
4-7
Physical beam used for 2nd data set.
8-11
Physical beam used for 3th data set.
12-16
Physical beam used for 4th data set.
Transmit
Energy
16 bits
Unsigned
Velocity
Scaling
8 bits
Signed
Used to scale velocity data.
Power level
8 bits
Signed
dB
Configured power level
Magnetometer
temperature
16 bits
Signed
Uncalibrated
Magnetometer temperature reading
Real Time
Clock
Temperature
16 bits
Signed
0.01 deg C
Real Time Clock temperature reading
Error
16 bits
See error description (version 1)
Status0
16 bits
Bit 0
ProcIdle3 - Indicates that the processor
Idles less than 3 percent
Bit 1
ProcIdle6 - Indicates that the processor
Idles less than 6 percent
Bit 2
ProcIdle12 - Indicates that the processor
Idles less than 12 percent
Bit 3-14
_Unused
Bit 15
Status0 in use. If this bit is set the rest of
the word should be interpreted
Status
32 bits
Bit 31-
28
Wakeup
state
10=break, 11=RTC alarm,
00=bad power, 01=power
applied
Bit 27-
25
Orientati
on
See table 1
Bit 24-
22
Autoorie
ntation
See table 2
Bit 21-
18
Previous
wakeup
state
10=break, 11=RTC alarm,
00=bad power, 01=power
applied
Bit 17
Last
measure
ment
low
0=normal operation, 1=last
measurement skipped due to
low input voltage

Nortek Signature Series Specifications

General

Type	Acoustic Doppler Current Profiler (ADCP)
Operating Temperature	-5°C to +45°C
Storage Temperature	-20°C to +60°C
Temperature Sensor	Integrated
Pressure Sensor	Integrated
Compass and Tilt Sensor	Integrated
Data Storage	Internal memory
Communication Interfaces	Ethernet, RS-232
Depth Rating	Up to 6000 meters (depending on model)
Data Output	ASCII, binary
Beam Angle	Varies by model
Velocity Accuracy	±0.5% of measured velocity ±1 mm/s