Fcr; Sensors - YSI MultiDO 5400 User Manual

FCR

Menus →Timers→Feed Smart tm Timer→Feeder→FCR
The optional FCR (feed conversion ratio) feature automatically increases the amount
of food dispensed over a feed cycle. The increase in the amount of food is based on
the user configured increase in biomass over a 24 hour period. Biomass and daily
(feed) weight amounts are adjusted by the 5X00 prior to the 1st feed "on" time of a
scheduled feed cycle occurring after midnight.
Notes:
- With FCR enabled and properly configured an event occurs when the 5X00
time crosses midnight. See below.
Biomass
Menus →Timers→Feed Smart tm Timer→Feeder→FCR→Biomass
Enter the total weight of livestock being fed at the time FCR is enabled. The value
is user selectable 1 to 100000.
Feed % (of) Biomass
Menus →Timers→Feed Smart Timer→Feeder→FCR→Feed % Biomass
Enter the percentage of the total livestock weight (biomass) that will be used to
determine the daily feed weight. The value is user selectable 0.0–99.9%.
Daily (Feed) Weight
Menus →Timers→Feed Smart Timer→Feeder→FCR→Daily Weight
Configure the initial daily feed weight by multiplying the biomass amount by the
Feed % Biomass percentage (the 5X00 will not calculate the initial amount). Ex-
ample—if the biomass is 1000 and the feed % biomass is 3%, the initial daily feed
weight amount is 30. On each following day, the 5X00 will use the biomass value
along with the feed % biomass to calculate the new daily feed weight amount.
Configuring the 5X00
YSI 5X00
186
Note:
- The initial daily weight value must be calculated as described above. Config-
uring an invalid initial daily weight will result in incorrect biomass and daily
weight calculations when the 5X00 crosses midnight.
FCR Factor
Menus →Timers→Feed Smart Timer→Feeder→FCR→FCR Factor
Enter the ratio of the amount of food required versus the corresponding increase
in fish weight (biomass). This value is used to automatically increase the biomass
amount—as shown in the example below.

Sensors

Menus →Timers→Feed Smart Timer→Feeder→Sensors
Changes in water conditions affect the amount of food fish eat which in turn affects
fish growth. With the sensor feature enabled, the feed timer system will verify that
DO and temperature values are within user configured ranges. This verification is
done immediately prior to starting each feed duration in a feed cycle. If values are
reported that fall outside acceptable configured ranges, the feed timer relay energizes
for a shorter period (user configured percentage) thereby reducing the amount of
food that is dispensed. Feed timer sensor ranges are independent of sensor setup
configuration ranges. For timed feed cycles, feed interval for the entire feed cycle
is determined by the duration of the first feed.
Configuring the 5X00
→Disabled/Enabled
→DO Low/High/DO % Change
→Temp Low/High/Temp % Change
YSI 5X00
187