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Commands and Responses Section 5-9
5-9 Commands and Responses
Various commands are provided for the application layer to implement ser-
vices, such as variable area reading/writing and operation commands, sup-
ported by the CompoWay/F communications protocol.
This section describes the commands provided for the application layer.
5-9-1 Read Monitor Value
Command
This command reads the current PV, status, or other monitor values. If the
number of elements is set between “2” and “6”, consecutive address monitor
values can be read.
If the Temperature Controller is in setting area 1 when the command is
received, it returns a response with the “unknown” data for all data except
“status,” which shows the operation status.
Response
Response code: The code shown above represents normal completion. For
details on the response code, refer to
5-5 Read from Variable Area.
Address Monitor value Address Monitor value
ch Data name ch Data name
“0000” 1 PV “0100” 2 PV
“0001” Status “0101” Status
“0002” Internal SP “0102” Internal SP
“0003” Heater current value
monitor
“0103” Heater current value
monitor
“0004” MV monitor for heating “0104” MV monitor for heating
“0005” MV monitor for cooling “0105” MV monitor for cooling
“0006 PV hold value “0106” PV hold value
MRC SRC
Variable
type Address
Bit
position
No. of
elements
“01” “01” “C0” “00” “0001”
MRC SRC
Response code
“01” “01” “0000” Monitor value
Data