SICK GTB6-P1231 | W6 Photoelectric Sensor, 15-250mm BGS, PNP, M8
SICK GTB6-P1231 background suppression photoelectric sensor. 15-250mm range, PNP NO/NC, M8 4-pin, IP67, 10-30V DC, for part & edge detection.
Product Overview
The SICK GTB6-P1231 is a compact background suppression (BGS) photoelectric sensor from the W6 (G6) series. It detects objects within a fixed 15–250 mm range regardless of object color or reflectivity, ignoring the background behind the target. This model features a PNP push-pull output (Light/Dark switchable), M8 4-pin connector, and 10–30 V DC supply, making it ideal for precise part-presence and edge-detection tasks on conveyors and assembly machines.
Technical Specifications (Optical & Electrical)
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Parameter
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Specification
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Order Number
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GTB6-P1231
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Series
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SICK W6 / G6 Miniature Photoelectric
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Sensing Mode
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Background Suppression (Triangulation / Smart Eye®)
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Sensing Range
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15 … 250 mm (Adjustable via potentiometer)
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Light Source
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Red LED (Visible, 660 nm)
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Supply Voltage
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10 … 30 V DC
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Output Type
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PNP (Push-Pull), Light/Dark Switchable (NO/NC)
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Switching Current
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≤ 100 mA
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Response Time
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≤ 625 µs
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Hysteresis
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Typ. 3 % of set range
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Technical Specifications (Mechanical & Environmental)
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Parameter
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Specification
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Housing Material
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ABS / PMMA (Plastic)
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Housing Dimensions (W×H×D)
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12 × 31.5 × 21 mm
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Connection
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M8, 4-pin Plug Connector
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Protection Rating
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IP67 (EN 60529)
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Operating Temperature
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-30 … +60 °C
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Vibration / Shock Resistance
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10 … 55 Hz / 30 g
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EMC Immunity
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EN 60947-5-2
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Certifications
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cULus, CE
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Key Features
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True Background Suppression: Detects glossy black objects at same distance as white—background is ignored completely, eliminating false triggers from shiny machine parts behind the target.
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Ultra-Compact W6 Form Factor: 12 mm width fits into tight tooling, gripper fingers, and narrow conveyor rails.
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Potentiometer Adjustment: Easy range setting via top-mounted trimmer—no teach-in required.
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High-Speed Response: Sub-millisecond switching suitable for high-speed counting or registration marks.
Applications
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Part Presence Sensing: Verify small components on feeders, nests, or pick-and-place heads.
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Edge & Overhang Detection: Detect leading/trailing edges of labels, cartons, or PCBs on a conveyor.
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Robotic EOAT Mounting: Compact size allows mounting directly on robot grippers for in-hand part verification.
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Packaging Machinery: Detect product gaps, missing items in multipacks, or flap positions.
Note: For NPN output or retroreflective version of the same W6 housing, see GTB6-N1231 (NPN) or GTE6-P1212 (retroreflective). The M8 4-pin connector requires a mating M8 cable (e.g., SICK YF2A15-...).
About ACH
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
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Frequently Ask & Questions
Are preferential prices available?
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Are the Products Genuine OEM Units?
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
How will you arrange shipment?
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
What is the warranty of goods?
One-year Warranty.
How long is the logistics cycle of the product?
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.
