Datalogic S15-PA-5-C11-PK sensor

Ordine n.：952301250

Tipo di prodotto: M18 cylindrical diffuse-reflection sensore fotoelettrico (medium-range diffuse)

Model Code Bit-by-Bit Decoding

Segmento di codice	Senso	Descrizione
S15	Serie	S15 Series M18 short‑body photoelectric sensor
PA	Alloggiamento	PA = ABS plastic housing; NA = 316L stainless‑steel housing
5	Connessione	5 = M12‑4‑pin connector (cable‑less); 2 = 2 m fixed cable; 3 = pigtail flying lead
C11	Funzione ottica	C11: medium‑range diffuse‑reflection, potentiometer adjustment, sensing distance 0‑350 mm
P	Tipo di uscita	P = PNP output; N = NPN output
K	General Suffix	Versione DC, Light‑on / Dark‑on switchable

Nucleo elettrico & Parametri meccanici

Articolo	Specifica
Tensione di alimentazione	10‑30 VDC
Produzione	PNP, massimo. load 100 mA
Principio di rilevamento	Diffuse‑reflection, regolabile, massimo. sensing distance 350 mm (90 % reflectance white target)
Tempo di risposta	1 ms, switching frequency 500 Hz
Cablaggio	M12‑4‑pin male connector, pin assignment: 1 Marrone(+V), 2 Bianco(Light‑on/Dark‑on select), 3 Blu(0V), 4 Nero(Produzione)
Alloggiamento	ABS plastic, M18 thread, short‑body 40 mm length
Protezione dall'ingresso	IP65/IP67 (custodia in plastica; IP69K only for stainless‑steel variant)
Temperatura operativa	-25℃～+55℃; Storage Temperature‑25℃～+70℃
Indicatori LED	Green Power LED; Yellow Output‑status LED
Peso	Approx. 40 g (connector version)
Certificazioni	EN60947‑5‑2, UL508

Principio di funzionamento

660 nm visible-red LED emitter; receives reflected light from target object. Built-in potentiometer adjusts sensing threshold. The white-colored pin enables external switching between Light-on / Dark-on. Integrated reverse-polarity, short-circuit and overload protection.

Scenari applicativi tipici

Macchine per l'imballaggio, linee di trasporto, part-presence detection, packaging sorting, general-purpose automation equipment. The plastic housing suits standard industrial environments. Not for frequent high-pressure wash-down; select S15-NA stainless-steel variant for wash-down conditions.

Selection Pitfall-Avoidance Guide

This model does NOT support IP69K. For high-pressure wash-down use S15-NA-5-C11-PK stainless-steel version.
C11 is standard diffuse-reflection without Background Suppression (BGS). False triggering may occur from background objects. For BGS function choose Dxx code variants.
M12 connector is cable-free; order separate M12-4-pin straight / angled cordsets.
Effective sensing distance strongly depends on target colour; actual range drops significantly for dark-coloured objects.

Sostituzioni compatibili

Same-brand direct replacement: S15-PA-5-C11-NK (NPN variant, Order No. 952301249)
Stainless-steel housing same optics: S15-NA-5-C11-PK (Order No. 952301270, IP69K)

S15-PA-5-C11-PK Performance Limitations & Higher-Performance Diffuse-Reflection Sensor Options

Pain points of reference model: Standard diffuse-reflection no Background Suppression (BGS); heavy colour-dependent sensing range; false triggers caused by background objects; plastic-housing IP67 not rated for high-pressure wash-down; potentiometer-knob adjustment.

Four upgrade paths: Datalogic original upgrades, M18 BGS background-suppression sensors (eliminate background false triggering), food-grade high-protection variants, alternative imported brands (MALATO / Turck).

Reference Key Parameters for Baseline Model

Articolo	S15‑PA‑5‑C11‑PK
Principio di rilevamento	Standard diffuse‑reflection (no BGS)
Massimo. Campo di rilevamento	350 mm (90 % white target); heavily reduced for black targets
Produzione	PNP, M12‑4‑pin; external‑pin Light‑on / Dark‑on selection
Alloggiamento	ABS plastic; IP65/IP67, not IP69K wash‑down capable
Regolazione	Potentiometer knob
Sorgente luminosa	LED a infrarossi

Option 1: Datalogic Original Upgrades (preferred for drop-in replacement, pin-out fully compatible)

① S15-PA-5-D11-PK (Soppressione dello sfondo BGS, M18 short-body, sostituzione diretta)

Ordine n.: 952301252

Core improvement: Built-in BGS Background Suppression. No false triggering even with metal frames / baffles in background. Sensing range 0-120 mm independent of background.

Application note: Existing mounting cut-outs unchanged; M12-4-pin pin-out identical. Ideal for conveyor lines with metal frames / baffles behind targets.

Drawback: Maximum sensing distance reduced to 120 mm; cannot achieve original 350 mm range.

② S15-NA-5-C11-PK (same optical performance, upgraded stainless-steel housing)

Ordine n.: 952301270

Identical C11 diffuse-reflection optics (0-350 mm). 316L stainless-steel housing, IP69K for high-pressure wash-down, suitable for food & beverage environments. Pin-out compatible.

For wash-down conditions where background suppression is not required.

③ S5-PA-5-C80-PK (S5-series long-range M18 diffuse-reflection)

Massimo. 800 mm standard diffuse-reflection; PNP M12-4-pin; risposta più rapida; longer housing body. For applications requiring extended sensing range.

Nota: S5 housing is longer than S15 short-body; verify mechanical clearance for installation-space-restricted equipment.

Option 2: Alternative Imported High-Performance M18 Diffuse-Reflection Sensors (BGS for false-trigger elimination)

1) SICK GRTE18 Series M18 Cylindrical

GRTE18-P2442 (PNP, M12-4-pin): BGS background-suppression 0-200 mm; high resistance to ambient sunlight & target-colour variations; metal housing IP67; teach-in button adjustment, superior anti-drift performance under vibration vs potentiometers.

Forza: Excellent sunlight immunity; suited for high-speed packaging lines.

Attenzione: Verify pin-assignment; cannot reuse existing cables without wiring modification.

2) Turck RO18M-BP-VP6X2

M18 cylindrical BGS diffuse-reflection; PNP M12-4-pin; 0-250 mm range; robust vibration resistance; high EMC immunity for machine-tool & welding-area heavy-interference environments.

3) Pepperl+Fuchs RLK18-54-Z-31-115

M18 BGS diffuse-reflection; 0-300 mm; metal housing IP67; ambient-light immunity; for logistics & sorting applications.

Modello	Principio	Campo di rilevamento	Alloggiamento / Protezione	Regolazione	Miglioramenti chiave	Osservazioni
S15‑PA‑5‑C11‑PK	Standard diffuse‑reflection	0‑350 mm	ABS‑IP67	Potentiometer	Baseline reference	Prone to background false triggers; range reduction for dark targets
S15‑PA‑5‑D11‑PK	Soppressione dello sfondo BGS	0‑120 mm	ABS‑IP67	Potentiometer	Eliminate background false triggering	Drop‑in pin‑&‑mechanical replacement, shorter sensing range
S15‑NA‑5‑C11‑PK	Standard diffuse‑reflection	0‑350 mm	316L stainless‑steel‑IP69K	Potentiometer	High‑pressure wash‑down capability	Optical performance unchanged, housing upgraded
S5‑PA‑5‑C80‑PK	Standard diffuse‑reflection	0‑800 mm	ABS‑IP67	Potentiometer	Doubled sensing distance	Longer housing; check installation clearance
SICK GRTE18‑P2442	Soppressione dello sfondo BGS	0‑200 mm	Metal IP67	Teach‑in button	Luce solare & vibration‑drift immunity	Pin‑out incompatible, wiring modification required

📌 Key Selection Warnings

If you experience sporadic false switching caused by rear-side metal frames / baffles: select a BGS background-suppression model instead of standard C11 diffuse-reflection. This delivers the biggest performance gain.
If you must retain the original 350 mm sensing distance: BGS technology cannot achieve this range for M18 cylindrical sensors (typical max. BGS range approx. 200 mm). Choose S15-NA-5-C11-PK for housing upgrade while keeping original optics.
Datalogic S15-PA-5-D11-PK offers 100 % mechanical-mounting & pin-out compatibility, no modification to cut-outs or cabling.
BGS limitations: Poor performance detecting transparent objects; maximum achievable sensing distance is lower than standard diffuse-reflection.

Application-Oriented Recommendations

Case A: False triggering from rear metal frames → S15-PA-5-D11-PK (preferred drop-in replacement)

Case B: Wash-down food-grade environment, no BGS requirement → S15-NA-5-C11-PK

Case C: Extended range (>350 mm), no complex background → S5-PA-5-C80-PK

Case D: Heavy EMI environment (near welders / inverter), maximum stability required → SICK GRTE18-P2442 (wiring changes needed)

Domestic M18 Diffuse-Reflection Photoelectric Sensor Selection (vs Datalogic S15-PA-5-C11-PK)

Reference baseline: S15-PA-5-C11-PK, M18 cylinder, M12-4-pin, PNP, 10-30 VDC, standard diffuse-reflection 0-350 mm, pin-2 Light-on/Dark-on select, IP67, potentiometer adjustment.

Domestic options split into standard diffuse-reflection (C11 equivalent) and BGS background-suppression (D11 equivalent). Prioritise M12-4-pin connector variants for direct cable reuse. Two performance tiers: economy grade & high-performance industrial grade.

Main Domestic Manufacturers

Lanbao: Leading domestic M18 cylindrical photoelectric; widely deployed in volume-production automation, high dimensional & interface compatibility with imported sensors.

ELCO: Foreign-funded domestic brand, reliable performance, good EMC noise immunity, European-spec equivalent.

F&C (Taiwan-owned Mainland production): Mature BGS product portfolio, popular for packaging & logistics machinery.

Contrinex (Domestic-line): High pin-out & dimensional compatibility with Omron / Datalogic.

CHANKO: Full M18 cylindrical portfolio, M12-connector options, sample-order support.

Model Specification Comparison Table

Marca	Modello	Principio di rilevamento	Campo di rilevamento	Caratteristiche principali	Datalogic Equivalent
Lanbao	PR18S‑BC40‑E2(P)	Standard diffuse‑reflection	0‑400 mm	Short‑body close to S15 dimensions; cortocircuito & reverse‑polarity protection; mass‑conveyor‑line proven	S15‑PA‑5‑C11‑PK
Lanbao	PR18‑BCB200‑E2(P)	Soppressione dello sfondo BGS	0‑200 mm	Background‑interference rejection, good ambient‑light immunity	S15‑PA‑5‑D11‑PK
ELCO	OSQ18‑AK350VP6Q	Standard diffuse‑reflection	0‑350 mm	Complete protection circuits; robust EMC for packaging & trasportatori	S15‑PA‑5‑C11‑PK
ELCO	OSQ18‑AK120BVP6Q	Soppressione dello sfondo BGS	0‑120 mm	Consistent detection across light‑&‑dark targets	S15‑PA‑5‑D11‑PK
F&C	CR‑18‑400P‑M12	Standard diffuse‑reflection	0‑400 mm	Conveniente, widely used for packaging equipment	S15‑PA‑5‑C11‑PK
F&C	BGS‑CR18‑120P‑M12	Soppressione dello sfondo BGS	0‑120 mm	BGS eliminates background false triggering; sample testing supported	S15‑PA‑5‑D11‑PK
CHANKO	CPA‑D400P‑A	Standard diffuse‑reflection	0‑400 mm	Fully domestic design, small‑batch customisation available	S15‑PA‑5‑C11‑PK

⚠️ Note: Most domestic M12-4-pin 4-wire photoelectric sensors follow Datalogic S15 pin-assignment: 1 Brown +V, 3 Blue 0V, 4 Black Output, 2 White Light-on/Dark-on control. Always verify datasheet pin diagrams before ordering; some manufacturers assign pin 2 as NC (non connesso).

Application-Based Selection Recommendations

Case 1: Direct replacement for S15-PA-5-C11-PK, no BGS required, ~350 mm sensing range

✅ Preferred choice: Lanbao PR18S-BC40-E2(P)

Vantaggi: Short housing comparable with Datalogic S15; M12-4-pin connector; 0-400 mm adjustable; price approx. 1/3 of import; proven for conveyor & macchine per l'imballaggio.

Caveats: Standard diffuse-reflection; reduced effective range for dark-coloured targets; false triggers may occur with rear-side metal structures.

Alternativa: ELCO OSQ18-AK350VP6Q. Superior EMC noise immunity, priority for sites near inverters / attrezzature per saldatura.

Case 2: Sporadic false switching, rear-side metal frames present, BGS background suppression required

✅ Preferred choice: Lanbao PR18-BCB200-E2(P)

BGS background-suppression max. 200 mm; metal housing IP67; PNP M12-4-pin.

Promemoria: BGS technology cannot achieve 350 mm long range. Domestic M18-cylinder BGS typical upper limit 120-200 mm.

Alternativa: F&C BGS-CR18-120P-M12, lower cost for general-purpose environments.

Domestic Photoelectric Sensor Pitfall-Avoidance Checklist

Pin-assignment verification is highest priority. Although most domestic M12-4-pin sensors are pin-compatible with Datalogic S15, some vendors use pin 2 as NC instead of Light-on/Dark-on control. Request datasheet pin diagrams before procurement to prevent equipment damage from mis-wiring.
Domestic standard diffuse-reflection sensors are also subject to target-colour-related range attenuation. For dark-coloured workpieces, prefer BGS models.
IP67 ≠ IP69K. All plastic-housing domestic models listed above are IP67 only, not suitable for high-pressure wash-down. Metal-housing variants should be selected for wash-down conditions; few domestic M18 cylindrical sensors achieve true IP69K.
Housing-length differences. Datalogic S15 is short-body. Many domestic M18 sensors have longer overall length. Confirm mechanical dimensions when installation space is constrained.
Sample testing before volume deployment is recommended. Sensing-sensitivity dispersion for domestic sensors may be slightly higher than imported counterparts across production batches.