SMC Networks HRS012-W, Operation Manual

Page: 70 / 82

HRX-OM-M091
Chapter 5 Simple communication protocol function
5.8 Command explanation HRS Series
5-16
5.8 Command explanation
5.8.1 Command:PV1 Circulating fluid discharge temperature
Read the circulating fluid discharge temperature in the selected temperature
unit (°C or °F). The circulating fluid discharge temperature (offset
temperature if offset setting is selected) which is displayed on the operation
display panel PV part.
„
Request message <Normal> (Master to Slave)
STX Slave Address Request Command ETX BCC
[STX]
XX XX
[R] [P] [V] [1] [ETX]
XX
„
Response message <Normal> (Slave to Master)
STX Slave Address ACK Command Reading data ETX BCC
[STX]
XX XX
[ACK] [P] [V] [1]
XX XX XX XX XX
[ETX]
XX
„
Communication example
○
Slave Address
：
No 1
○
BCC selection
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 (18.7
o
C)
[0Fh] BCC value
This product
(Request) [STX] 01RPV1 [ETX] [65h]
(Response) [STX] 01[ACK] PV100187 [ETX] [0Fh]
Your system
Data is sent and
received in ASCII
code.