Enhanced Cobots: Dual‑Channel Torque Sensor Boosts Safety & Precision
TE Connectivity’s ring‑shaped torque sensor delivers the perfect balance of safety, accuracy, and speed for collaborative robot (cobot) applications. By integrating a dual‑channel design into each cobot joint, the sensor satisfies ISO 13849‑1 Category 4 PL‑e machinery safety standards—no common cause failures across the two electrically segregated channels.
Engineered for low cross‑load susceptibility and high overload tolerance, the sensor protects equipment and operators alike. Its fully customizable mechanical interface and compact profile—under 20 mm in height—make it a versatile fit for a wide range of cobot designs and load ranges.
Key specifications:
- Torque range: 20 Nm – 500 Nm (14.7 ft‑lbf – 369 ft‑lbf)
- Nonlinearity: ±0.25 % FS maximum
- Hysteresis: ±0.25 % FS maximum
- Resolution: 0.025 % FS maximum
- Overall accuracy: ±1.5 % FS typical (includes nonlinearity, hysteresis, span setting, thermal drift)
The sensor’s standard electrical interface is an I²C serial digital link operating at 400 kHz. It runs on 4.85 VDC – 5.15 VDC with a current draw of less than 10 mA per channel.
Build and price the safety torque sensor today by visiting our product page.
Sensor
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