HRX-OM-M091
Chapter 5 Simple communication protocol function
HRS Series
5.4 Communication sequence
5-11
5.4 Communication
sequence
Starts with a request message from the customer’s system (host), and
finishes with a response message from the product (slave). This product
operates as a slave. It does not send any requests.
●
Positive response
Based on the request message, reads/writes
return a positive response.
.
●
Negative response
Returns a negative message when the
received request message is not normal.
Refer to “5.9 Negative response’’.
●
No response
No response is returned when the slave
address is specified or a command which is not
supported is received.
Your system
（
Master
）
This product
（
Slave
）
Request messag
Positive respo
nse
Request messag
Negative resp
onse
Request messag
No response
0 to 250ms
（
Response
delay time
）
（
Negative mess
age
）
（
Negative mes
sage
）
10 to 200ms
