Category    English Specification    Remarks
Model Number    Q170ENC-W8    Mitsubishi MELSEC-Q Series Absolute Encoder Positioning Module
Product Type    Absolute Encoder Positioning Module    2-channel absolute encoder interface
Encoder Type    Absolute Encoder    Serial communication (2.5 Mbps)
Resolution    262144 PLS/res    High precision position detection
Max. Allowable Speed    3600 r/min    Encoder rotational speed limit
Axis Load Capacity    Radial: 19.6 N; Axial: 9.8 N    Mechanical load specifications
Input Power    10.2–26.4 V DC (ripple ≤ 5%)    Power supply range
Input Interface    2 channels    Common positive/negative terminal (opto-isolated)
Input Voltage/Current    12 V DC / 2 mA; 24 V DC / 4 mA    Signal input specifications
Response Time    0.4 ms, 0.6 ms, 1 ms (OFF→ON, ON→OFF)    CPU parameter configurable, default 0.4 ms
I/O Points Occupied    32 points    Intelligent function module allocation
External Dimensions    98.0 (H) × 27.4 (W) × 90.0 (D) mm    Module physical size
Weight    Approx. 0.15 kg    Net weight for logistics
Operating Temperature    0–55 °C (32–131 °F)    Ambient temperature range
Storage Temperature    -25–75 °C (-13–167 °F)    Non-operating temperature range
Humidity    5–95% RH (non-condensing)    Environmental humidity tolerance
Vibration Resistance    10–55 Hz, 0.075 mm double amplitude    Mechanical vibration durability
Shock Resistance    15 G (11 ms duration)    Mechanical shock tolerance
Battery    A6BAT/MR-BAT    Backup battery for absolute data

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