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2 EQUIPMENT SPECIFICATIONS
2.3 Serial Absolute Synchronous Encoder
2.3 Serial Absolute Synchronous Encoder
Specifications
This section describes the specifications of serial absolute synchronous encoder
*1 When "o-ring" is required, please purchase separately by customers.
*2 If it exceeds a permitted speed at power OFF, a position displacement is generated.
The serial absolute synchronous encoder backs up the absolute position with the battery for back up of
absolute position data of the servo amplifier (MR-J4-B-RJ) it is connected to.
Item Specifications
Model name Q171ENC-W8
*1
Ambient temperature -5 to 55(23 to 131)
Resolution 4194304pulse/rev
Transmission method Serial communications
Direction of increasing addresses CCW (viewed from end of shaft)
Protective construction Dustproof/Waterproof (IP67: Except for the shaft-through portion.)
Permitted speed at power ON 3600r/min
Permitted speed at power OFF
*2
500r/min
Permitted axial loads Radial load : Up to 19.6N, Thrust load : Up to 9.8N
Runout at input shaft tip 0.02mm(0.00079 inch) or less, (15mm(0.59 inch) from tip)
Start friction torque 0.04Nm(20(68))
Recommended coupling Bellows coupling
Permitted angular acceleration 40000rad/s2
Vibration resistance 5G(50 to 200Hz)
Shock resistance 50G(11ms or less)
Internal current consumption [A] 0.25
Mass [kg] 0.6
Connecting cable [m(ft.)] Q170ENCCBLM-A
(=Cable length : 2(6.56), 5 (16.40), 10 (32.81), 20 (65.62), 30 (98.43), 50 (164.04))
Communications method Differential driver/receiver
Transmission distance Up to 50m(164.04ft.)
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