164
Operation Start: OS
Section 8-1
8-1
Operation Start: OS
Function
This command is used to designate a control point to start temperature con-
trol.
1.
Operation Start (OS) cannot be used at a control point being auto
-
tuned.
2.
Operation Start (OS) will be ignored by a control point in control operation.
Command
Response
Communications Example
In this example, control point 3, the unit number of which has been set to 1,
starts temperature control with Operation Start (OS).
Command
Response
8-2
Operation Stop: OP
Function
This command is used to designate a control point to stop temperature control
or manual operation.
If a control point is stopped, all alarm output of the control point will be OFF.
@ O S 0 0 0
s
Control
point
Data code
Terminator
*
FCS
x16
x16
Unit
Header code
Always 0
1
0
@ O S
s
*
FCS
End code
Unit
x16
x16
x16
x16
Header code
Terminator
Always 0
1
1
0
0
@ 0 1 O S 0 3 0 0 5 E
s
*
@ 0 1 O S 0 0 5 D
s
Normal end
*