Lambrecht rain[e]observer, Руководство по эксплуатации

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Operating Instructions rain[e]observer
Operating Instructions
rain[e]observer Precipitation Measuring System
11.8 Descriptive sensor parameter register (holding register)
Register Parameter name Number of
registers
Note Access type
40050 Device identification number
(15 characters) 8 (2 characters
in each register)
The returned data have the
form of a 16 byte string with
zero termination.
Read only
40100 Serial number
(11 characters)
6 (2 characters
in each register)
The returned data have the
form of a 12 byte string with
zero termination.
Read only
40150 Firmware version
(up to 25 characters) 13 (2 characters
in each register)
The returned data have the
form of a 26 byte string with
zero termination.
Read only
Example: Calling up the device identification number
(The identification number shown in the example is sensor-dependent. It is used here only for demonstration
purposes).
ASCII
05 03 9C 72 00 08 CB C3 05 03 10 30 30 2E 31 36
               
00.16480.000130.

34 38 30 2E 30 30 30 31 33 30 00 37 CA
LEN
6
Transmission
Query =>
Source
Master
Dest
Slave 5
Function
Read Holding Register (3)
Func Desk
Address=40050, Quantity of Register=8
Checksum
OK:C3CB
LEN
19
Transmission
Response <=
Source
Slave 5
Dest
Master
Function
Read Holding Register (3)
Func Desk
Byte count=16
Data
30 30 2E 31 36 34 38 30 2E 30 30 30 31 33 30 00
Checksum
OK:CA37
11.9 Sensor parameters / configuration parameters
Register Parameter name Allowed values Number of
registers
Access type
40001 Modbus address device 1 Write only
40200 Baud rate 96 = 9600
192 = 19200
384 = 38400
1 Write only
40201 Parity 1 = even
0 = none
1 Write only
The device must be restarted after any setting is changed.
Example Changing the RTU address from 3 to 1
03 10 9C 41 00 01 02 00 01 2D E8 03 10 9C 41 00 01 7E 6F
LEN
9
Transmission
Query =>
Source
Master
Dest
Slave 3
Function
Write Multiple Register (16)
Func Desk
Address=40001, Quantity=1
Byte count
2
Register values
00 01
Checksum
OK:E82D
LEN
6
Transmission
Response <=
Source
Slave 3
Dest
Master
Function
Write Multiple Register (16)
Func Desk
Address=40001, Quantity=1
Checksum
OK:6F7E
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