Temperature Influence On Target Ec - Netafim nmc-pro User Manual

PROGRAM MENU
Example: A grower wants to lower the EC as the kPa decreases. He sets this screen to reduce the increase in EC to
match the decreasing VPD levels.
2.8.7 T emperature Influence on Target EC
6 2 B
You can adjust the EC based on the air temperature. As the temperature rises or falls, the program can increase or
decrease the EC level according to your requirements.
1. In Installation > Analog Input define:
a. a sensor as EC
b. an air temperature sensor

Note: You can verify the EC status using Hot Key Screen 4, the temperature sensor status using Hot Key
Screen 6.
2. In Configuration > Dosing Channel Configuration set React to EC.
3. In Configuration > Dosing Configuration > EC Control, set EC Control to Yes.
4. In Program > Irrigation, select Temp/EC.
a. Define the Temperature sum points.
b. Define the EC percentage set points.
5. Set ACTIVE/SOURCE, select the temperature sensor number.
6. In Program > Dosing Program:
a. set the Target EC.
b. set EC Dosing Method to Qty.
Example: A grower's flower crop requires higher EC levels when the temperature goes above room temperature 22°
C). Using this screen, he can adjust the levels accordingly.
DATE: 2 –Feb-12
IRRIGATION PROGRAM
Program: 1 Priority: --
INFLUENCE TABLE
Radia./EC VPD
Drain/RadS (kPa)
Drain/MinT 15
EC Drain/EC 10
VPD/EC 5
Temp/EC
Screen 2 of 2 – In order to view the
DATE: 2 –Feb-12
IRRIGATION PROGRAM
Program: 1 Priority: --
INFLUENCE TABLE
Radia./EC
Drain/RadS
Drain/MinT
EC Drain/EC
VPD/EC
Temp/EC
Screen 2 of 2 – In order to view the
TIME 12:52-08
Const. 0%
ACTIVE/SOURCE
EC
(%)
7
4
2
TIME 12:52-08
NO 0%
OUT temp
Temp 1
Temp 2
Temp 3
Temp 4
N/A
NO
NO
NMC-PRO
User Manual
Page 36