Instruction manual
2 - 90
2 SYSTEM CONFIGURATION
(2) Serial absolute synchronous encoder specifications
Item Specifications
Model name
Q171ENC-W8
(Note-1), (Note-2)
Q170ENC
(Note-1), (Note-2)
Ambient temperature -5 to 55°C (23 to 131°F)
Resolution 4194304PLS/rev 262144PLS/rev
Transmission method Serial communications (Connected to Q172DEX)
Direction of increasing addresses CCW (viewed from end of shaft)
Protective construction
Dustproof/Waterproof
(IP67: Except for the
shaft-through portion.)
Dustproof/Waterproof
(IP65: Except for the
shaft-through portion.)
Permitted speed at power ON 3600r/min
Permitted speed at power OFF
(Note-3)
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 0.04N•m (20°C (68°F)) 0.02N•m (20°C (68°F))
Recommended coupling Bellows coupling
Permitted angular acceleration
40000rad/s
2
Vibration resistance 5G (50 to 200Hz)
Shock resistance 50G (11ms or less)
Internal current consumption [A] 0.2
Mass [kg] 0.6
Connecting cable [m(ft.)]
Q170ENCCBL M
( =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.)
(Note-1): Use by connecting with Q172DEX.
(Note-2): When "o-ring" is required, please purchase separately by customers.
(Note-3): If it exceeds a permitted speed at power OFF, a position displacement is generated.