Connection Of A Sensor With Compressed Air Cleaning - Xylem DIQ/S 281 Operating Manual

Universal transmitter for one digital sensor
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DIQ/S 281
Maximum total cable length
SNCIQ(/UG) plus SACIQ = 250 m
Connection
scheme of valve
control
ba76226e02

3.11.2 Connection of a sensor with compressed air cleaning

Example:
Relay 1 controls the cleaning of the sensor.
In this configuration, the free switching contact (here: R2) may be used to switch
SELV voltages only.
No free wires are allowed to project into the housing. Oth-
erwise, there is a danger that areas safe to contact could
come into contact with dangerous voltages. Always cut
off any wires that are not in use as closely as possible to
the cable gland.
03/2023
DIQ/S 281(/24V)
M
C
S
DIQ/S 281
DIQ/S 281
ESC
OK
UNIVERSAL TRANSMITTER
UNIVERSAL TRANSMITTER
USB
SNCIQ(/UG)
DIQ/JB
SACIQ
Sensor
Installation
Valve control line
DIQ/CHV
Air
55

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