
46
COM/AWT540/PB–EN Rev. C
| Navigator 540 | Transmitter
B.11 Writable, 16 bits
B.12 Writable, 8 bits
Modbus
address
Description
Notes
42000
Sensor 1 – Recovery time
42001
Sensor 1 –
Salinity correction
Low level dissolved
oxygen sensors only
42002
Sensor 1 –
Pressure compensation
42003
Sensor 1 – Grab sample sampling
time
Sodium sensors only
42004
Sensor 2 – Recovery time
42005
Sensor 2 –
Salinity correction
Low level sensors
dissolved oxygen only
42006
Sensor 2 –
Pressure compensation
42007
Sensor 2 – Grab sample sampling
time
Sodium sensors only
42008
Sensor 3 – Recovery time
42009
Sensor 3 –
Salinity correction
Low level sensors
dissolved oxygen only
420010
Sensor 3 –
Pressure compensation
420011
Sensor 3 – Grab sample sampling
time
Sodium sensors only
420012
Sensor 4 – Recovery time
420013
Sensor 4 –
Salinity correction
Low level dissolved
oxygen sensors only
420014
Sensor 4 –
Pressure compensation
420015
Sensor 4 – Grab sample sampling
time
Sodium sensors only
420016
Stream sample rate
Sodium multi-stream
sensor only
Table B.19: Writable 16 bits
Modbus
address
Description
Notes
42017
Alarm 1 – Time hysteresis
Valid range 0 to 9999
seconds
42018
Alarm 2 – Time hysteresis
42019
Alarm 3 – Time hysteresis
42020
Alarm 4 – Time hysteresis
42021
Alarm 5 – Time hysteresis
42022
Alarm 6 – Time hysteresis
42023
Alarm 7 – Time hysteresis
42024
Alarm 8 – Time hysteresis
Table B.20: Alarm time hysteresis
Modbus
address
Description
Valid range
43000
Transmitter – Temperature
units
13 – Deg.C
14 – Deg. F
43001
Sensor 1 – Concentration
units
7 – ppb
8 – ug/l
9 – ug/Kg
43002
Sensor 1 – Filter type
0 – Off
1 – Minimum value
2 – Maximum value
3 – Average value
4 – Sliding average
43003
Sensor 1 – Filter time
5 to 100 Samples / Seconds
43004
Sensor 1 – Wetting routine
procedure
0 – Disabled
1 – Enabled
43005
Sensor 1 – Flow measurement
0 – Disabled
1 – Enabled
43006
Sensor 1 – Out of sample
detection
0 – Disabled
1 – Enabled
43007
Sensor 1 – Scheduled
calibration type
0 – Scheduled calibration
disabled
1 – One point calibration
(low standard)
2 – One point calibration
(high standard)
3 – Two point calibration
4 – Regene two point
calibration
5 – One point air calibration
43008
Sensor 1 – Scheduled
calibration frequency units
0 – Frequency off
1 – Daily
2 – Weekly
3 – Monthly
43009
Sensor 1 – Scheduled
calibration frequency daily
0 – Daily
1 – Two days
2 – Three days
3 – Four days
4 – Five days
5 – Six days
6 – Seven days
43010
Sensor 1 – Scheduled
calibration frequency weekly
0 – Weekly
1 – Two weeks
2 – Three weeks
3 – Four weeks
4 – Five weeks
5 – Six weeks
6 – Seven weeks
7 – Eight weeks
43011
Sensor 1 – Scheduled
calibration frequency monthly
0 – Monthly
1 – Two months
2 – Three months
3 – Four months
4 – Six months
5 – Twelve months
Table B.21: Single-stream sensors – Units, filter and
scheduled calibration configuration