HRX-OM-S010
Chapter 5 Simple communication protocol function
5.5
Message configuration
HRS100/150 Series
5-14
The communication example is expressed in hexadecimal value with
[ ]. The actual communication is performed with ASCII co
de.
Refer to
the request / response message in this section
.
5.5.2
Message example
The example shows communication with the conditions below.
○Slave Address
：
No.1
○Read seven consecutive data from register 0000h
.
(Read circulating fluid discharge temperature.)
Communication example
Request message
Response message
Code
Contents
Code
Contents
01
Slave Address
01
Slave Address
R
Request message to read
[ACK]
Normal response message
PV1
Circulating fluid discharge temperature
PV1
Circulating fluid discharge temperature
[65h]
BCC value
00187
Read information
[0Fh]
BCC value
Request message (Master to Slave)
STX
Slave
Address
Request
Command
ETX
BCC
02
30
31
52
50
56
31
03
65
Response message (Slave to Master)
STX
Slave
Address
ACK
Command
Reading data
ETX
BCC
02
30
31
06
50
56
31
30
30
31
38
37
03
0F
This product
(Request): [STX] 01RPV1 [ETX] [65h]
(Response):
[STX] 01[ACK] PV100187 [ETX] [0Fh]
Your system
Data is sent and
received in ASCII
code.
