YOSensi LNRM, User Manual

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YO Modbus User guide v2.1 page 30/33
Payload description
If you want to connect to your own server, it is necessary to decode the specific payload for each
device. To accomplish this, a payload decoder is required, which can be downloaded using the
following link:
Payload decoder . Extended documentation of the protocol can be found in the Payload
description on our website. An example payload produced by YO Modbus is presented below with
divisions for each measurement and marked with decoded values, whose interpretation is described
in the
Payload description .
Format of displayed data is measurement type/slave id/register. Example sensor ID: 36011000
where 36 is measurement type, 01 slave id, 1000 register.
Example of YO Modbus payload with description:
1fst frame:
02:4C:00:7A:08:00:01:5E:9B
Payload header First measurement (voltage)
0x02 0x4C 0x00 0x7A 0x08 0x00 0x01 0X5E 0x9B
ver = 2 cnt = 76 pct [s] = 122
type = 2
prec = 0
md [s] = 0
addr_len = 0
meas_len = 2
val = 24219
(24219 [mV])
2nd frame:
02:00:00:00:90:00:33:01:10:00:00:03:AD:E0:90:00:31:01:10:6E:05:DE
Payload header First measurement (CH1 - phase voltage)
0x02 0x00 0x
00
0x00 0x90 0x00 0x33 0x01 0x10 0x00 0X00 0X03 0xAD 0xE
0
ver = 2 cnt = 0
pct [s] =
10
type =
36
prec =
0
md [s]
= 0
addr_len
= 3
meas_len
= 4
slave_addr = 0x01
start_Reg = 0x1000
val = 241120
(241120 [mV])
Second measurement (Runhour)
0x90 0x00 0x31 0x01 0x10 0x6E 0x05 0xDE
type = 36,
prec = 2
md [s] = 0
addr_len = 3,
meas_len = 2 slave_ addr = 0x01
start_Reg = 0x106E
val=1502
(Hour)
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