หมายเลขคำสั่งซื้อ:952301250
ประเภทสินค้า: M18 cylindrical diffuse-reflection เซ็นเซอร์ตาแมว (medium-range diffuse)
Model Code Bit-by-Bit Decoding
| ส่วนรหัส | ความหมาย | คำอธิบาย |
| S15 | ชุด | S15 Series M18 short‑body photoelectric sensor |
| ป้า | ที่อยู่อาศัย | PA = ABS plastic housing; NA = 316L stainless‑steel housing |
| 5 | การเชื่อมต่อ | 5 = M12‑4‑pin connector (cable‑less); 2 = 2 m fixed cable; 3 = pigtail flying lead |
| C11 | Optical Function | C11: medium‑range diffuse‑reflection, potentiometer adjustment, sensing distance 0‑350 mm |
| ป | ประเภทเอาต์พุต | P = PNP output; N = NPN output |
| เค | General Suffix | รุ่นดีซี, Light‑on / Dark‑on switchable |
แกนไฟฟ้า & พารามิเตอร์ทางกล
| รายการ | ข้อมูลจำเพาะ |
| แรงดันไฟฟ้า | 10‑30 VDC |
| เอาท์พุต | พีเอ็นพี, สูงสุด. load 100 mA |
| หลักการตรวจจับ | Diffuse‑reflection, ปรับได้, สูงสุด. sensing distance 350 mm (90 % reflectance white target) |
| เวลาตอบสนอง | 1 ms, switching frequency 500 Hz |
| สายไฟ | M12‑4‑pin male connector, pin assignment: 1 สีน้ำตาล(+วี), 2 สีขาว(Light‑on/Dark‑on select), 3 สีฟ้า(0วี), 4 สีดำ(เอาท์พุต) |
| ที่อยู่อาศัย | ABS plastic, M18 thread, short‑body 40 mm length |
| การป้องกันทางเข้า | IP65/IP67 (ที่อยู่อาศัยพลาสติก; IP69K only for stainless‑steel variant) |
| อุณหภูมิในการทำงาน | -25℃~+55℃; Storage Temperature‑25℃~+70℃ |
| ไฟ LED แสดงสถานะ | Green Power LED; Yellow Output‑status LED |
| น้ำหนัก | Approx. 40 g (connector version) |
| การรับรอง | EN60947‑5‑2, UL508 |
หลักการทำงาน
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.
สถานการณ์การใช้งานทั่วไป
เครื่องจักรบรรจุภัณฑ์, สายลำเลียง, 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.
Compatible Replacements
- ทดแทนโดยตรงยี่ห้อเดียวกัน: 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 (ป่วย / เตอร์ก).
Reference Key Parameters for Baseline Model
| รายการ | S15‑PA‑5‑C11‑PK |
| หลักการตรวจจับ | Standard diffuse‑reflection (no BGS) |
| สูงสุด. ช่วงการตรวจจับ | 350 มม (90 % white target); heavily reduced for black targets |
| เอาท์พุต | พีเอ็นพี, M12‑4‑pin; external‑pin Light‑on / Dark‑on selection |
| ที่อยู่อาศัย | ABS plastic; IP65/IP67, not IP69K wash‑down capable |
| Adjustment | Potentiometer knob |
| แหล่งกำเนิดแสง | ไฟ LED อินฟราเรด |
Option 1: Datalogic Original Upgrades (preferred for drop-in replacement, pin-out fully compatible)
① S15-PA-5-D11-PK (BGS Background Suppression, M18 short-body, ทดแทนโดยตรง)
หมายเลขคำสั่งซื้อ: 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)
หมายเลขคำสั่งซื้อ: 952301270
Identical C11 diffuse-reflection optics (0-350 มม). 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)
สูงสุด. 800 mm standard diffuse-reflection; PNP M12-4-pin; ตอบสนองเร็วขึ้น; longer housing body. For applications requiring extended sensing range.
บันทึก: 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 (พีเอ็นพี, 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.
ความแข็งแกร่ง: Excellent sunlight immunity; suited for high-speed packaging lines.
คำเตือน: 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 มม; metal housing IP67; ambient-light immunity; for logistics & sorting applications.
| แบบอย่าง | หลักการ | ช่วงการตรวจจับ | ที่อยู่อาศัย / การป้องกัน | Adjustment | การปรับปรุงที่สำคัญ | หมายเหตุ |
| 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 | BGS Background Suppression | 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 | BGS Background Suppression | 0‑200 mm | Metal IP67 | Teach‑in button | Sunlight & 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 มม), no complex background → S5-PA-5-C80-PK
Case D: Heavy EMI environment (near welders / อินเวอร์เตอร์), 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, พีเอ็นพี, 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.
เอลโก้: Foreign-funded domestic brand, ประสิทธิภาพที่เชื่อถือได้, good EMC noise immunity, European-spec equivalent.
เอฟ&ค (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
| ยี่ห้อ | แบบอย่าง | หลักการตรวจจับ | ช่วงการตรวจจับ | คุณสมบัติที่สำคัญ | Datalogic Equivalent |
| Lanbao | PR18S‑BC40‑E2(ป) | Standard diffuse‑reflection | 0‑400 mm | Short‑body close to S15 dimensions; ลัดวงจร & reverse‑polarity protection; mass‑conveyor‑line proven | S15‑PA‑5‑C11‑PK |
| Lanbao | PR18‑BCB200‑E2(ป) | BGS Background Suppression | 0‑200 mm | Background‑interference rejection, good ambient‑light immunity | S15‑PA‑5‑D11‑PK |
| เอลโก้ | OSQ18‑AK350VP6Q | Standard diffuse‑reflection | 0‑350 mm | Complete protection circuits; robust EMC for packaging & สายพานลำเลียง | S15‑PA‑5‑C11‑PK |
| เอลโก้ | OSQ18‑AK120BVP6Q | BGS Background Suppression | 0‑120 mm | Consistent detection across light‑&‑dark targets | S15‑PA‑5‑D11‑PK |
| เอฟ&ค | CR‑18‑400P‑M12 | Standard diffuse‑reflection | 0‑400 mm | คุ้มค่า, widely used for packaging equipment | S15‑PA‑5‑C11‑PK |
| เอฟ&ค | BGS‑CR18‑120P‑M12 | BGS Background Suppression | 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 (not connected).
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(ป)
ข้อดี: Short housing comparable with Datalogic S15; M12-4-pin connector; 0-400 mm adjustable; price approx. 1/3 of import; proven for conveyor & เครื่องจักรบรรจุภัณฑ์.
Caveats: Standard diffuse-reflection; reduced effective range for dark-coloured targets; false triggers may occur with rear-side metal structures.
ทางเลือก: ELCO OSQ18-AK350VP6Q. Superior EMC noise immunity, priority for sites near inverters / อุปกรณ์เชื่อม.
Case 2: Sporadic false switching, rear-side metal frames present, BGS background suppression required
✅ Preferred choice: Lanbao PR18-BCB200-E2(ป)
BGS background-suppression max. 200 mm; metal housing IP67; PNP M12-4-pin.
Reminder: BGS technology cannot achieve 350 mm long range. Domestic M18-cylinder BGS typical upper limit 120-200 mm.
ทางเลือก: เอฟ&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.
Market Price Reference (tax-inclusive indicative)
Domestic standard diffuse-reflection with M12 connector: 80-140 CNY; Datalogic S15-PA-5-C11-PK approx. 320-400 CNY.
Domestic M18 BGS background-suppression sensor: 130-220 CNY; Datalogic S15-PA-5-D11-PK approx. 420-480 CNY.
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