Instruction manual
OCM Pro CF
page 108
OCM Pro CF - Rev. 09 as of 07.06.2016
®
Fig. 9-68
Digital input functions
Channel number
Select from analog inputs 1–4 which one is to be set by using the following
parameters.
Name
No entry required. Setting a name here is helpful only if the digital input is to be
saved on memory card. This name will be saved on the storage medium
exclusively.
The procedure is the same as described in >PAR/Measurement Place/Name of
Measurement Place<.
Function
Regulator setting functions are going to be assigned to the digital input which
has been chosen by entering the >Channel Number<. Select from various
functions by pressing the >ALT< key:
-
inactive
-
control close (the slide end switch for closed condition is routed to the se-
lected digital input.)
-
control open (the slide end switch for open condition is wired to the selected
digital input)
-
torque (the torque switch for the closed condition is connected to the select-
ed digital input)
-
lock v-measurement (DI 1 can be configured to lock the measurement ex-
clusively). The display will indicate >Measurement locked<. Flow values No
output of flow values to programmed analog and digital outputs.
-
This function is sufficient particularly for applications with permanent, unsta-
ble backwater conditions (overflow measurement in recipients tending to
backwater formation). To achieve this, the flow velocity measurement is go-
ing to be either locked or released by a limit value contact using the overflow
head as threshold (e.g. separate echo sounder, float switch, conductive
sensor, dynamic pressure switch or similar). A locked measurement means
that measured flow velocities will be set to >0<. Hence the volume will be
calculated by using V=0 which means that no analog or digital flow values
are going to be output.
-
Single velocities will be saved without being used for calculation purposes if
the option to save single gates has been enabled.
-
runtime (the transmitter detects switching events via the digital inputs and
saves the runtime accurate to the second on the CF card if the storage
mode is active.)
