SMC Networks HRSH Series, Operation Manual

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HRX-OM-Q033
Chapter 5 Simple communication protocol function
HRSH Series 5.8 Command explanation
5-21
5.8.6 Command:STR Saves data (W)
Store the circulating fluid set temperature set in 5.8.3
‘’Command:SV1
Circulating fluid set temperature
’’. Key-lock set data which is set in 5.8.5
‘’Command:LOC Key-lock setting (W)’’ is not the object to store.

Request message <Normal> (Master to Slave)
STX Slave Address Request Command ETX BCC
[STX]
XX XX
[W] [S] [T] [R] [ETX]
XX

Response message <Normal> (Slave to Master)
STX Slave Address ACK ETX BCC
[STX]
XX XX
[ACK] [ETX]
XX

Communication example
○Slave Address ：
No 1
○BCC selection
Request message Response message
Code Contents Code Contents
01 Slave Address 01 Slave Address
W Request message to write [ACK] Normal response message
STR Saves data [06h] BCC value
[02h] BCC value
Your system This product
(Response)
［
STX
］
01
［
ACK][ETX][06h]
(Request)
［
STX
］
01WSTR[ETX][02h]
Data is sent and
received in ASCII
code.