OBL PRO Series User Manual

File: UT-5601 Copyright © - OBL Metering pumps - All rights reserved
34
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: The Slave Address (01 hex)
83: The Function Code (Preset Multiple Registers) with 1 to MSB
02: error code (illegal data address)
C0F1: The CRC (cyclic redundancy check) for error checking.
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.
Reg.
PAR.
TYPE
MOTOR
OFF
TYPE
MOTOR
ON
BYTE
Min
value
Max
value
Default
U.M.
Description
40001
M_TIME_S
W/R
R
2
1
120
60
s
Calibration time - calibration
settings
40002
M_FLOW
W/R
R
2
1
9999
600
(L/h or
Gal/h)*10
Max flowrate - pump capacity
settings
40003
M_PERC
W/R
R
2
1
100
50
%
Adjustment % - pump capacity
settings
40004
M_L_PULSE
W/R
R
2
1
2000
200
L/p or
p/L
L/pulse o pulse/L
40005
W/R
R
2
0
5
1
Languages
Value 0= Italian
Value 1=English
Value 2=Spanish
Value 3=Dutch
Value 4=Russian
Value 5=French
40006
M_FDATE
W/R
R
2
0
2
0
Date Format
Value 0=DD/MM/YY
Value 1=MM/DD/YY
Value 2=YY/MM/DD
40007
M_24H
W/R
R
2
0
1
0
Time Format
Value 0=24h
Value 1=12 h
40008
M_UNIT_LH
W/R
R
2
0
1
0
Unit of measure
Value 0=L/h
Value 1=Gal/h
40009
M_YES_NO
W/R
R
2
0
1
1
Proximity red alarm
Value 0=No
Value 1=Yes

OBL PRO Series Specifications

General

Brand	OBL
Model	PRO Series
Category	Water Pump
Language	English