1
Direct DC power put
2
Controller connection outputs
3
EC sensor outlet
4
Temperature sensor outlet
5
PH sensor outlet
6
RF antenna outlet
7
Module reset bu on
8
Type-B USB outlet (Firmware updates)
9
12~24V
10
Sensor connec on inputs
11
Manual switch bu ons
12
Backets for wall-moun ng
13
Status signal LED
power supply input
DC
EN
ES
FR
4