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Proximity Sensors Capacitive Thermoplastic Polyester Housing Types CA, M12, DC, Teach-in
TM IELD ESH IPL TR
* Featuring TRIPLESHIELDTM Sensor Protection * Sensing distance: 0.5 - 8 mm * 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 * On request: Delay on output. New line autotune to compensate for heavy dirt build-up
Product Description
Capacitive proximity switches with a sensing distance of either 6 mm flush mounted in metal or 8 mm nonflush mounted. 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 Key
Capacitive proximity switch Housing diameter (mm) Housing material Housing length Detection principle Rated operating dist. (mm) Output type Output configuration Connection type
CA12CLC08BPM1
Type Selection
Housing diameter M12 Rated operating distance (Sn) 8 mm Ordering no. Cable CA12CLC08BP Ordering no. Plug CA12CLC08BPM1
Specifications
0.5 - 8 mm factory set at 8 mm Sensitivity Adjustable (Teach-in) Effective operating dist. (Sr) 0.9 x Sn Sr 1.1 x Sn Usable operating dist. (Su) 0.8 x Sr Su 1.2 x Sr Repeat accuracy (R) 5% Hysteresis (H) Depending on Teach-in 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 polarity, transients TRIPLESHIELDTM protection Electrostatic discharge 30 kV Burst 3 kV Airborne HF > 15 V/m Wire-conducted noise > 10 Vrms Frequency of operating cycles (f) 15 Hz Sensing range (Sd) Indication For output ON For safe/unsafe Environment Degree of protection Operating temperature Max. temperature on sensing face Storage temperature Housing material Body Cable end Nuts Connection Cable Plug (M1) Cable for plug (M1) Weight Cable version Plug version Approvals CE-marking LED, yellow LED, green IP 68 -20 to +85C ( -4 to +185F) 120C (248F) -40 to +85C (-40 to +176F) Grey, thermoplastic polyester Polyester, softened Black, PA12 Grilamid Grey, 2 m, 4 x 0.25 mm2 Oil proof, PVC M12 x 1 CON.1A-series 110 g 30 g UL, CSA Yes
Specifications are subject to change without notice (12.11.04)
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CA, M12, DC, Teach-in
Adjustment Guide
The environments in which capacitive sensors are installed can often be unstable regarding temperature, humidity, object distance and industrial (noise) interference. Because of this, Carlo Gavazzi offers as standard features in all TRIPLESHIELDTM 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 need for adjusting sensitivity if temperature varies and high immunity to electromagnetic interference (EMI). Note: Sensors are factory set (default) to nominal sensing range Sn.
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.
To avoid interference from inductive voltage/ current peaks, separate the prox. switch power cables from any other power cables, e.g. motor, contactor or solenoid cables
* 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.
Relief of cable strain
* 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-
tive sensor is referenced to a grounded metal plate (ST37). For additional information regarding dielectric ratings of materials please refer to Technical Information.
Protection of the sensing face
Switch mounted on mobile carrier
Not correct
Correct The cable should not be pulled A proximity switch should not serve as mechanical stop Any repetitive flexing of the cable should be avoided
Dimensions
82.4 50 19.4 50 84.7 18.4
Accessories
* Plugs CON.1A.. series. For further information please refer to "Accessories.
10.7
10.7
Delivery Contents
* Capacitive switch: CA..CLC..BP.. * Packaging: Cardboard box * Installation & Adjustment Guide (MAN CAP ENG/GER)
M12 x 1
LED
M12 x 1
LED
M12
Cable
Plug
2
Specifications are subject to change without notice (12.11.04)
CA, M12, DC, Teach-in
Teach-in Guide
Adjustment - Background No target present Press push-button >3 seconds until LEDs are flashing one time per second. The background will be calibrated when the push-button is released during the following 3 seconds Push-button LED - Green LED - Yellow Time (sec)
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Adjustment - Object Target present Press push-button >6 seconds until LEDs are flashing two times per second. The object will be calibrated when the pushbutton is released during the following 3 seconds Push-button LED - Green LED - Yellow Time (sec)
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Adjustment - NO - NC Press push-button >9 sec. until LEDs are flashing three times per second. The status of NO-NC will toggle when the pushbutton is released during the following 3 seconds Push-button LED - Green LED - Yellow Time (sec)
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Releasing the push-button after 12 sec. returns the sensor to factory settings.
Wiring Diagram
BN+ (1) BK (4)
ILOAD < 250mA IALARM < 20mA The PNP- or NPN-load will automatically be detected. By means of the Teach-in wire, the functions described in the Teach-in Guide can be setup. It is possible to Teach-in more sensors at the same time by connecting the WH-wires in parallel to the common "-" supply. (#): Plug connections Important: If alarm output (WH-wire) is unused, it has to be terminated to +supply
WH (2)
Teach-in
BU- (3)
Specifications are subject to change without notice (12.11.04)
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