Burkert Type 8630 - Manual (Page 95)

8630 - 93
O
PERATING THE PROCESS CONTROLLER
Factory setting: 1% (refers to the span of the process actual value scaled by means of SCAL PV
and PV )
This function assures that the process controller cuts in only above a certain control difference . The
function reduces wear on the solenoid valves in the TOP Control Continuous and the pneumatic
actuator.
Entering the dead band in %
Insensitivity range with process control
P.CO - DBND
Insensitivity range (dead band) of the process controller
Xd2 Xd2
Xd2'
Xd2'
to controller
Process
actual value
(PV)
Process setpoint
(SP) Control
difference
Dead band