OBL PRO Series Use And Maintenance Manual page 35

3. Read Holding Registers (FC=03) ERROR
a. Request
▪
This command is requesting the content of analog output holding registers 40100
(register out of range) from the slave device with address
▪
01 03 9CA3 0001 5A78
b. Response
▪
01 83 02 C0F1
01:
83:
02:
C0F1:
MODBUS LIST
The list of the registers and parameters that the user can write/read using Modbus is described in
the following table:
Table 10 Modbus list
Nr. PAR. TYPE
Reg. MOTOR
OFF
40001 M_TIME_S W/R
40002 M_FLOW W/R
40003 M_PERC W/R
40004 M_L_PULSE W/R
40005 W/R
40006 M_FDATE W/R
40007 M_24H W/R
40008 M_UNIT_LH W/R
40009 M_YES_NO W/R
File: UT-5601
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The Slave Address (01 hex)
The Function Code (Preset Multiple Registers) with 1 to MSB
error code (illegal data address)
The CRC (cyclic redundancy check) for error checking.
TYPE BYTE Min Max
MOTOR value value
ON
R 2 1 120
R 2 1 9999
R 2 1 100
R 2 1 2000
R 2 0 5
R 2 0 2
R 2 0 1
R 2 0 1
R 2 0 1
Default U.M. Description
60 s Calibration
settings
600 (L/h or Max flowrate - pump capacity
Gal/h)*10 settings
50 % Adjustment % - pump capacity
settings
200 L/p or L/pulse o pulse/L
p/L
1 Languages
Value 0= Italian
Value 1=English
Value 2=Spanish
Value 3=Dutch
Value 4=Russian
Value 5=French
0 Date Format
Value 0=DD/MM/YY
Value 1=MM/DD/YY
Value 2=YY/MM/DD
0 Time Format
Value 0=24h
Value 1=12 h
0 Unit of measure
Value 0=L/h
Value 1=Gal/h
1 Proximity red alarm
Value 0=No
Value 1=Yes
time - calibration
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