CiDRA Passive Sonar Transmitters - Manual (Page 39)

Table 5 Modbus Holding Registers (continued)
Address Size Type Value Description Values
4071 2 Float SOS_K_MIN
This value sets the lower limit in k-space that is used in
the SOS auto frequency determination code. This value
is equal to the first k-space bin after 0: PI/deltaX/50
(there are 50 bins from 0 to PI/deltaX).
4073 2 Float SOS_K_MAX
This value sets the upper limit in k-space that is used in
the SOS auto frequency determination code. This value
is equal to the last k-space bin: PI/deltaX.
4075 2 Float
SOS_SEARCH_LIMI
T
This value is the +/- percentage of the estimated SOS
value (calculated using the auto frequency calculation
code) that determines the lower (Estimated SOS * 0.5)
and upper (Estimated SOS * 1.5) SOS search limits.
4077 2 Float
SOS_LAMBDA_DIA
METER
Used to calculate the SOS dynamic frequency maximum
used when calculating SOS. SOS Max Freq = (Max
SOS search) / ((Lambda Diameter * (Pipe Diameter/12)).
4079 2 Float
SENSOR_SPACING
_1
Starting point for sensor 1. Typically 0.
4081 2 Float
SENSOR_SPACING
_2
Distance in feet between sensor 1 and sensor 2.
4083 2 Float
SENSOR_SPACING
_3
Distance in feet between sensor 1 and sensor 3.
4085 2 Float
SENSOR_SPACING
_4
Distance in feet between sensor 1 and sensor 4.
4087 2 Float
SENSOR_SPACING
_5
Distance in feet between sensor 1 and sensor 5.
4089 2 Float
SENSOR_SPACING
_6
Distance in feet between sensor 1 and sensor 6.
4091 2 Float
SENSOR_SPACING
_7
Distance in feet between sensor 1 and sensor 7.
4093 2 Float
SENSOR_SPACING
_8
Distance in feet between sensor 1 and sensor 8.
4095 2 Float SENSOR_SCALE_1 Scaling factor in volts per PSI for sensor 1.
4097 2 Float SENSOR_SCALE_2 Scaling factor in volts per PSI for sensor 2.
4099 2 Float SENSOR_SCALE_3 Scaling factor in volts per PSI for sensor 3.
20959-01 Rev 02 Page 3-24