Metrohm viva 1.0 (process analysis) - Manual (Page 844)

7.10 IO controller
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
832 ￭￭￭￭￭￭￭￭
viva 1.0 (for Process analysis)
Set default value
Shows the default value which the output takes directly after starting and
exiting the program. The default value is also set after an error or when
canceling the method.
Last used value
on | off (Default value: off)
If this check box is activated then the value that was last set is used as
default value on the analog output.
Enter the default value.
Input range -214,783,647 - 214,783,647
Default value 0
7.10.8 Properties - Controller
All defined controllers are listed in a table on the Controller tab. The set-
tings can be modified for each controller.
Controller description
Shows the controller name.
Controller type
Shows the controller type.
Control variable
Shows the controlled variable.
Actuating variable
Shows the control value.
[New]
Opens a menu in order to create a new controller.
This button is active only if there is still room on the PLC for at least one
controller.
The [New] menu contains the following menu items:
Direct controller Create a new controller of the Direct controller type.
Two-point controller Create a new controller of the Two-point controller type.
PID controller Create a new controller of the PID controller type.
PWM controller Create a new controller of the PWM controller type.