R88A-CSU015C Omron, R88A-CSU015C Datasheet - Page 247
R88A-CSU015C
Manufacturer Part Number
R88A-CSU015C
Description
ABSOLUTE ENCODER CABLE,15M
Manufacturer
Omron
Datasheet
1.R88A-CAU001.pdf
(324 pages)
Specifications of R88A-CSU015C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Specifications
j Torque and Rotation Speed Characteristics
j Servomotor and Mechanical System Temperature Characteristics
(Standard Cable: 3 m; 200/100-VAC Input)
U-UE-series AC Servomotors use rare earth magnets (neodymium–iron magnets). The tempera-
ture coefficient for these magnets is approximately -0.13%/ C. As the temperature drops, the Servo-
motor’s momentary maximum torque increases, and as the temperature rises the Servomotor’s mo-
mentary maximum torque decreases. When the normal temperature of 20 C and -10 C are
compared, the momentary maximum torque increases by approximately 4%. Conversely, when the
magnet warms up to 80 C from the normal temperature of 20 C, the momentary maximum torque
decreases by approximately 8%.
Generally, in a mechanical system, when the temperature drops the friction torque increases and the
load torque becomes larger. For that reason, overloading may occur at low temperatures. In particu-
lar, in systems which use deceleration devices, the load torque at low temperatures may be nearly
twice the load torque at normal temperatures. Check with a current monitor to see whether overload-
ing is occurring at low temperatures, and how much the load torque is. Likewise, check to see wheth-
er there abnormal Servomotor overheating or alarms are occurring at high temperatures.
An increase in load friction torque visibly increases load inertia. Therefore, even if the Position Driver
parameters are adjusted at a normal temperature, there may not be optimal operation at low temper-
atures. Check to see whether there is optimal operation at low temperatures too.
R88M-UE10030H-S1
R88M-UE10030V-S1
R88M-UE75030H-S1
R88M-UE75030V-S1
Continuous opera-
tion area
Repeated use area
Continuous opera-
tion area
Repeated use area
R88M-UE20030H-S1
R88M-UE20030V-S1
Continuous opera-
tion area
Repeated use area
R88M-UE40030H-S1
R88M-UE40030V-S1
Continuous opera-
tion area
Repeated use area
Chapter 5
5-25
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