Nivus osm-f, Operation Instruction Manual

Page: 61 / 103

Instruction Manual
OCM F
OCM F - Rev. 04 as of 18.02.2014 Page 61
The choices are:
Doppler sensor, external fill level, temperature, external setpoint and slide
valve. The velocity is not available.
Choose the desired function with the >up< or >down< arrow keys and confirm
by pressing ENTER. A tick will appear as soon as the function has been con-
firmed. Pressing ENTER once more will deactivate the function again, press-
ing ESC will exit the menu (see also Fig. 9-45). All errors will be saved in the
error memory (see Chap 9.2 section “Error messages”)
Fig. 9-45 Error input mask
After the relay function has been defined (limit flow rate, limit level, limit velocity,
or limit temperature) another window will appear enabling to define the function
parameters depending on the function chosen. The respective parameters are
ON and OFF points, ON and OFF delays as well as modifications of the name
which might come into effect on the screen (see Fig. 9-46).
Fig. 9-46 Limit value parameter
Switching mode
It is possible to select between >normally open< and >normally closed<.
The relay is going to energise if >normally open< has been selected and the
according value has been reached, if >normally close< has been selected the
relay will energise immediately after the parameter has been set and will de-
energise as soon as the according value has been reached.
Switch point on Defines the “ON” point for the selected limit value. This value is required for all
limit functions.
Switch point off Defines the “OFF” point for the selected limit value. This value is required for
all limit functions.
Time delay on The “ON” event in case of reaching the limit value can be delayed by up to
9999 seconds max. The relay will not energise before the time set is expired
and the limit value is present yet.
If the value falls below the limit threshold for a moment the cycle will begin
anew.