Burkert Type 8635 - Manual (Page 132)

130 - 8635
O
PERATING VIA THE
HART
HAND TERMINAL
(HART)
If the message PTUNE error X appears on the display, an error is shown.
X stands for the error number. In the chapter M aintenance and Error Elimination on the Controller, you
will find an explanation of this error number.
On pressing F4 - OK, you return to the main menu.
Display of the process variables
A display of the following process variables is obtained via the Main menu / Dynamic variables.
Changing the process variables
Via the menu item Digital control in the Main menu, you can specify process setpoint SP via the HART
interface.
Select the menu item Digital control in the Main menu via the operating key or .
Start the function via the operating key . The following message appears.
Message after starting Digital control
Confirm with F4 - OK. The entry mask shown appears.
Entry mask for the process setpoint.
Variable Description Unit
POS Actual position %
POScurrent Actual position mA
INPcurrent Input signal for setpoint position (irrelevant for process controller) mA
PV Process value
SP Process setpoint