YSI DIQ/S 182 XT-4-PR - Manual (Page 61)

System 182 XT-4 Installation
3 - 47 ba76027e01 02/2012
3.13 Installation examples
3.13.1 Compressed air cleaning of two sensors
Connection scheme of
valve control
Example:
Relay 1 controls the cleaning of sensor 1.
Relay 2 controls the cleaning of sensor 2.
Variant: Relay 1 controls the cleaning of both sensors. Cleaning of both
sensors is carried out with the same settings.
DIQ/CHV 1
SACIQ SACIQ
DIQ/CHV 2
Sensor 2 Sensor 1
SACIQ
M C S
ESC
OK
DIQ/S 182 XT-4-PR
Maximum cable length
SNCIQ(/UG) plus SACIQ = 250 m
Valve control line 1
Valve control line 2
Air Air