Burkert Type 8175 - Manual (Page 115)

47
8175
ENGLISH
CALIBRATION MENU
4.4.8 Relay (option)
The parameter definition of the limit contacts is completed within this function. Two limit
values are entered for each relay : 1 -, 1 + and 2 -, 2 +. The transmitter also has the option
to invert the relays and to set a delay time between 0 and 180 seconds. This delay shall
prevent the relays from being activated too quickly. If the measured value exeeds a limit
value, the transmitter will wait for the designated delay time before activating the relay. If the
value does not exceed the limit value after the delay time, the relay will not be activated.
The unit and decimal point for level, distance, volume or temperature are activated within
this option as selected within the «UNIT» menu (see section 4.4.2).
The following conditions must be observed: 1-
≤ 1+, 2- ≤ 2+.
Example
A
Relay 1 : Non inverted with thresholds of 2 and 4 m 3 and no delay.
B Relay 2 : Inverted with thresholds of 6 and 8 m 3 and delay of 2 Sec.
1- and 2- = the low settings for both relays
1+ and 2+ = the high settings for both relays
on
off
on
off
contact
Relay 1
Relay 2
m
3
m
3
m
3
Delay=2 seconds
Delay=2 seconds