CiDRA Passive Sonar Transmitters User Manual
Page 22

Table 5 Modbus Holding Registers (continued)
Address Size
Type Value
Description
Values
1025 2
Char
CUST_TIME_LABEL
Two character string used for display and logging of a 
custom flow time unit. 
Any Alpha
1027 1
Char
GVF_DECIMAL_PL
ACES 
Sets the number of decimal places used to display GVF 
on the front panel. 
0 - 6
1028
1
Char
SOS_VOL_UNITS
Selects units used to display and log SOS.
0 = ft, 1 = m
1029
1
Char
DATE_FORMAT
Selects date format
0 = US (mm/dd/yyyy), 1 = Euro 
(dd/mm/yyyy), 2 = International 
(yyyy-mm-dd) 
1030
1
Char
DEBUG_SETTINGS
Selects debugging options
0 = 255
1031 1
Char
WRITE_PROTECT
Enable or disable modifications to the transmitter FLASH 
memory. When modifying this change only this for 
proper operation. 
0 = Disable, 1 = Enable
1032
1
Char
Pre Amp Gain
Gain selection for the preamp. Set a value 0 thru 3 to 
choose gain listed by 'Preamp Gain 0', 'Preamp Gain 1', 
'Preamp Gain 2,' or 'Preamp Gain 3' 
0 - 3
1033 1
Char
TLF_SENSOR_INP
UT_UNITS_1 
Selects units used in translating the mA measured on 
Sensor 1 input to units used internally. 
0 = None, 1 = PSIg, 2 = kPAg, 3 = 
BARg, 4 = C, 5 = F 
1034 1
Char
TLF_SENSOR_INP
UT_UNITS_2 
Selects units used in translating the mA measured on 
Sensor 2 input to units used internally. 
0 = None, 1 = PSIg, 2 = kPAg, 3 = 
BARg, 4 = C, 5 = F 
1035 1
Char
PRESS_INPUT_UNI
TS 
Selects units for pressure read from register 5001 - 
Pressure Input. 
0 = None, 1 = PSIg, 2 = kPAg, 3 = 
BARg 
1036 1
Char
TEMP_INPUT_UNIT
S 
Selects units for temperature read from register 5003 - 
Temperature Input. 
0 = None, 4 = C, 5 = F
1037 1
Char
EXTERN_INPUT_U
NITS_0 
Selects units for value read from register 5005 - External 
Input 1. 
0 = None, 1 = PSIg, 2 = kPAg, 3 = 
BARg, 4 = C, 5 = F 
1038 1
Char
EXTERN_INPUT_U
NITS_1 
Selects units for value read from register 5007 - External 
Input 2. 
0 = None, 1 = PSIg, 2 = kPAg, 3 = 
BARg, 4 = C, 5 = F 
1039 1
Char
EXTERN_INPUT_U
NITS_2 
Selects units for value read from register 5009 - External 
Input 3. 
0 = None, 1 = PSIg, 2 = kPAg, 3 = 
BARg, 4 = C, 5 = F 
1040 1
Char
VF_NR_MAGNITUD
E_SEL 
Selects flow noise reduction filter magnitude.
0 = Low, 1 = High
1041 1
Char
GVF_NR_MAGNITU
DE_SEL 
Selects GVF noise reduction filter magnitude.
0 = Low, 1 = High
20959-01 Rev 02
Page 3-7
