Details

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The Keyence PS‑T2 is a amplifier expansion unit (NPN type) for the PS series photoelectric sensors.

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📌 Product Overview

• Manufacturer: Keyence
• Model: PS‑T2
• Series: PS Series (Amplifier Separate Type Photoelectric Sensors)
• Type: Amplifier Unit, Expansion Unit (NPN output)
• Status: Discontinued – replaced by PS‑N12N (cable type, expansion unit, NPN)
• Connection: 1‑line connection (slave unit)
• Supply Voltage: 12–24 V DC ±10%
• Response Time: 500 µs
• Operation Modes: LIGHT‑ON / DARK‑ON (switch selectable)
• Outputs:
  • NPN open‑collector × 2 (max 100 mA, ≤40 V DC)
  • Stability output (NPN, max 50 mA)
• Indicators:
  • Red LED (output)
  • Green LED (stable operation)
  • Yellow LED (calibration)
• Timer Functions: ON‑delay (40 ms), OFF‑delay (40 ms), or OFF (switch selectable)
• External Calibration Input: Non‑voltage input (contact or solid‑state)
• Expansion Capability: Up to 16 slave units (with one master, total 17 units)
• Protection: Reverse connection, overcurrent, surge absorption
• Operating Temperature: –10 °C to +55 °C

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⚡ Key Features

• Ultra‑fast response (500 µs) for high‑speed detection.
• Selectable operation modes for flexible use.
• LED indicators simplify setup and diagnostics.
• Compact DIN rail mounting for easy integration.
• Expandable system supports multiple slave units.

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🚀 Common Applications

• Electronics manufacturing: Detecting small components at high speed.
• Packaging machinery: Object presence detection.
• Automation systems: Integration into distributed sensor networks.

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🔎 Related Models

Model	Output Type	Notes
PS‑T2	NPN	Expansion unit, discontinued
PS‑T2P	PNP	PNP output version
PS‑N12N	NPN	Recommended replacement, cable type
PS‑N12P	PNP	Replacement, PNP output
PS‑N11N	NPN	Master unit
PS‑N11P	PNP	Master unit

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