Evolution DX2 series Manual de usuario descargar pdf (Pagina 68)

Rain Master Irrigation Systems DX2 User Manual

Page 228 Chapter 10: Troubleshooting

The following schematic diagram illustrates a sample wiring

configuration of four solenoids connected to station outputs:

Controller Station Output Board

Figure 174: Output Board Station Connections

The solenoids connected to station outputs 1, 4, and 8 share one

common line return to the station output board. Station #10 is

shown as a normal operating station, which is connected

independently from the other stations (not sharing the common

connection).

When station one turns on, 24 VAC is applied to the solenoid

and the LED illuminates. If the common line is broken or open,

(as shown by the cross marks) current does not flow and the

solenoid is not energized. However, a small amount of current

flows through the solenoid coils back to each station output

LED. This causes station LEDs # 4 and #8 to illuminate,

creating the illusion that the stations are on when they are

actually inoperative.

Solenoid

STA #10

STA #8

STA #4

STA #1

Solenoid

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Evolution DX2 series Manual de usuario Pagina 68