
Installation
DIQ/S 28X
50
ba77168d02
03/2017
3.12.2 Connecting two sensors with compressed air cleaning
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.
NOTE
In this configuration, the free switching contact (here: R3) may be used to switch
SELV voltages only.
M
C
S
ESC
OK
DIQ/CHV 1
DIQ/JB
SNCIQ(/UG)
SACIQ
SACIQ
Valve control line 1
Valve control line 2
Air
Air
DIQ/CHV 2
Sensor 2
Sensor 1
Maximum total cable length
SNCIQ(/UG) plus SACIQ = 250 m
DIQ/S 28x(/24V)
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.
Summary of Contents for DIQ/S 282
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