Proximity Sensors Capacitive
Thermoplastic Polyester Housing
Types CA, M18, M30, DC, Teach-in
• Featuring TRIPLESHIELD™ Sensor Protection
• Sensing distance: 0.5 - 12 mm (M18) and
1.0 - 30 mm (M30)
Teach-in of sensing distance via push-button or
•
COM-input
• Automatic detection of NPN or PNP load
• Selectable make or break switching by means of
Teach-in function
• Protection: Short-circuit, transients and reverse polarity
• Humidity compensation
• Alarm output
• 5 years of warranty
™
LD
E
HI
S
LE
P
RI
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Capacitive proximity switches with a sensing distance
of either 8 mm flush mounted in metal or 12 mm nonflush mounted for the M18
version, and either 16 mm
flush mounted in metal or 30
mm non-flush mounted for
the M30 version. The
switching points can be
altered by means of the
Teach-in function. 3-wire DC
output with selectable make
(NO) or break (NC) switching
and NPN Alarm. Grey
polyester housing with 2 m
PVC cable or M12 plug.
Ordering KeyProduct Description
Capacitive proximity switch
Housing diameter (mm)
Housing material
Housing length
Detection principle
Rated operating dist. (mm)
Output type
Output configuration
Connection type
CA18CLC12BPM1
Type Selection
Housing diameter Rated operating distance Ordering no. Ordering no.
M18 12 mm CA18CLC12BP CA18CLC12BPM1
M 30 30 mm CA30CLC30BP CA30CLC30BPM1
(S
) Cable Plug
n
Specifications
Sensing range (Sd)
CA18CLC12 0.5 - 12 mm
CA30CLC30 1.0 - 30 mm
Sensitivity Adjustable (Teach-in)
Effective operating dist. (Sr) 0.9 x Sn≤ Sr≤ 1.1 x S
Usable operating dist. (Su) 0.8 x Sr≤ Su≤ 1.2 x S
Repeat accuracy (R) ≤ 5%
Hysteresis (H)
Rated operational volt. (UB) 10 to 40 VDC (ripple incl.)
Ripple ≤ 10%
Rated operational current (Ie) ≤ 250 mA (continuous)
No-load supply current (Io) ≤ 12 mA
Voltage drop (Ud) ≤ 2.5 VDC @ max. load
Protection Short-circuit, reverse
TRIPLESHIELD
protection-EMC
IEC 1000-4-2/EN 61000-4-2 30 kV
IEC 1000-4-3/EN 61000-4-3 > 15 V/m
IEC 1000-4-4/EN 61000-4-4 3 kV
IEC 1000-4-6/EN 61000-4-6 > 10 V
TM
factory set at 8 mm
factory set at 15 mm
n
r
Depending on Teach-in
polarity, transients
rms
Frequency of operating
cycles (f) 15 Hz
Indication
For output ON LED, yellow
For safe/unsafe LED, green
Environment
Degree of protection IP 68
Operating temperature
Storage temperature
Housing material
Body Grey, thermoplastic polyester
Cable end Polyester, softened
Nuts Black, PA12 Grilamid
Connection
Cable Grey, 2 m, 4 x 0.25 mm
Plug (M1) M12 x 1
Cable for plug (M1) CON.1A-series
Weight
Cable version - M18 / M30 110 g/160 g
Plug version - M18 / M 30 30 g/70 g
Approvals UL, CSA
CE-marking Yes
-20° to +85°C ( -4° to +185°F)
-40° to +85°C (-40° to +176°F)
Oil proof, PVC
2
Specifications are subject to change without notice (25.01.2010) 1
CA, M18, M30, DC, Teach-in
89.289.2
5
050
2323
M18 x 1
L
ED
M12
89.5589.55
5050
2323
M
18 x 1 LED
9
9.2
50
23
M30 x 1.5
LED
9
0.45
50
23
M30 x 1.5
L
ED
M12 x 1
Dimensions
CA18
Cable
Adjustment Guide
The environments in which
capacitive sensors are installed can often be un
stable regarding temperature, humidity,
object distance and industrial
(noise) interference. Because
of this, Carlo Gavazzi offers
as standard features in all
Installation Hints
Capacitive sensors have the
unique ability to detect almost all materials, either in liquid or solid form. Capacitive
sensors can detect metallic
as well as non-metallic objects, however, their traditional use is for non-metallic
materials such as:
• Plastics Industry
Resins, regrinds or moulded products.
Plug
TRIPLESHIELD™ capacitive
sensors a user-friendly sensitivity adjustment instead of
having a fixed sensing range,
extended sensing range to
accommodate mechanically
demanding areas, temperature
stability to ensure minimum
• Chemical Industry
Cleansers, fertilisers, liquid
soaps, corrosives and petrochemicals.
• Wood Industry
Saw dust, paper products,
door and window
frames.
• Ceramic & Glass
Industry
Raw material, clay or
finished products, bottles.
CA30
Cable
need for adjusting sensitivity if
temperature varies and high
immunity to electromagnetic
interference (EMI).
• Packaging Industry
Package inspection for level
or contents, dry goods,
fruits and vegetables, dairy
products.
Materials are detected due to
their dielectric constant. The
bigger the size of an object,
the higher the density of material, the better or easier it is
to detect the object. Nominal
sensing distance for a capaci-
Plug
Note:
Sensors are factory set
(default) to nominal sensing
range S
.
n
tive sensor is referenced to a
grounded metal plate (ST37).
For additional information
regarding dielectric ratings
of materials please refer to
Technical Information.
current peaks, separate the prox. switch power cables from any other power cables, e.g.
motor, contactor or solenoid cables
Relief of cable strain
Not correct
Correct
The cable should not be pulled
Delivery Contents
• Capacitive switch: CA..CLC..BP..
• Packaging: Cardboard box
• Installation & Adjustment Guide (MAN CAP ENG/GER)
Protection of the sensing face Switch mounted on mobile carrierTo avoid interference from inductive voltage/
A proximity switch should not serve as
mechanical stop
Any repetitive flexing of the
cable should be avoided
Accessories
• Plugs CON.1A.. series.
For further information please refer to “Accessories.
2 Specifications are subject to change without notice (25.01.2010)